NMTCB Positron Emission Tomography (PET) Practice Exam

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• In standard CT parameters, what is typically the slice thickness?
• What is the inner layer of the uterus called?
• During a metabolic burst, which cells primarily utilize glucose?
• During the intraictal phase, FDG uptake in epileptic foci shows what kind of change?
• What is a characteristic of pilocytic astrocytoma in brain tumor grading?
• What is the maximum dose of radiation allowed to the skin or extremities of workers annually?
• What does the term "Activity Concentration" refer to in the context of PET imaging?
• What is assessed in the quarterly well counter test?
• Which type of oral contrast media can lead to severe pulmonary edema in patients with aspiration?
• SUV measurements are conducted on which type of images?
• What tumor marker is typically investigated in cases of multiple myeloma?
• What is a characteristic of the crystals used in PET detector blocks?
• What is the primary method of localization used for tracer binding to beta amyloid plaques?
• F-18 Flurpiridaz is primarily used for imaging what aspect of the heart?
• What substance serves as a precursor for the synthesis of phospholipids?
• Which factor might cause misalignment in CT imaging for attenuation correction?
• What is the advantage of using Ordered Subset Expectation Maximization (OSEM) over traditional iterative reconstruction?
• What CT number range corresponds to bone?
• What unique characteristic does radio-opaque contrast media exhibit?
• Testicular cancers are mostly categorized as which type?
• What does the Bow-Tie filter effectively remove from the X-ray beam?
• Which valve prevents backflow from the pulmonary artery into the right ventricle?
• During the 11C-Palmitate procedure, how long should a patient fast prior to the procedure?
• Which of the following is a determinant of random fraction in PET imaging?
• Approximately how much blurring effect is caused by non-colinearity on clinical PET scanners?
• Normalization in PET is primarily used for which purpose?
• What type of imaging does Direct Measurement in PET involve?
• What is the commonly used dose for 18F-Sodium Fluoride in procedures?
• Which material is NOT commonly used in CT detectors?
• Which imaging tracer is commonly associated with malignant pleural mesothelioma?
• Which type of seizure is characterized by rhythmic muscle contractions?
• In a cyclotron, the purpose of large electrodes is to what?
• For DOT Label Radioactive I (White), what is the radiation level allowed at a distance of 1 meter?
• In performing quality control on FDG, what characteristic confirms the absence of contamination?
• Which scan is used for quality control in PET that involves transmission data?
• After how many half-lives is the earliest disposal reading taken in PET?
• What happens to FDG uptake by cancers when glucose levels and insulin levels increase?
• Which type of imaging is primarily evaluated through changes in SUV for treatment response?
• What is the elution method for 18F captured on a carbonate anion column?
• What is the normal range for Blood Urea Nitrogen (BUN)?
• Which medication reduces uptake of brown fat if taken before a PET exam?
• Which imaging technique is linked with F-18 Flurpiridaz?
• What is the recommended waiting period for performing PET imaging following a biopsy?
• What structure is known as the "pacemaker" of the gastrointestinal tract?
• What is the advised duration for discontinuation of breastfeeding before undergoing a PET scan?
• What type of cancer originates in the antibody body producing white blood cells?
• According to PET response criteria, how should treatment response in solid tumors be evaluated based on changes in SUV?
• Which of these is NOT a site for metastasis?
• NSCLC screening is not covered for which stage?
• What is the main production method for 18F-Fluorodopa?
• What is the light output of LYSO scintillators?
• Which of the following reactions utilizes deuterons to accelerate particles?
• What is the normal creatinine level for adults?
• In which anatomical regions are 18F-FMISO scans typically utilized for tumor hypoxia assessment?
• What is primarily found in the brain imaging of dementia with Lewy Bodies (DLB)?
• What is the correct name of the one-way valve found between the right ventricle and pulmonary artery?
• FDG uptake in normal tonsils and sublingual glands appears in sagittal images as what shape?
• What characterizes Small Cell Lung Cancer compared to Non-Small Cell Lung Cancer?
• What is an advantage of using CT for attenuation correction?
• In adult populations, which type of lymphoma is more predominant?
• Which artery is described as arising from the aorta to supply the anterior wall?
• Which PET tracer is utilized in assessing fatty acid metabolism?
• CT raw data reconstruction utilizes what type of processor?
• What is a known vasodilator that exhibits non-selective binding in PET imaging?
• What substance does 18F-Fluoromethyltriflate react with?
• What is the infusion rate of adenosine during the adenosine infusion protocol?
• What characterizes a grand-mal seizure?
• What can an infiltrated dose in PET lead to?
• What effect do diuretics have on the body?
• What does the presence of non-collinearity of annihilation photons and finite positron range affect in PET?
• Which thymus cell type is responsible for immune response?
• Which medication does not affect FDG uptake?
• What is the purpose of post-processing measures like scaling and segmentation in PET imaging?
• What best describes the photoelectric effect?
• During which imaging technique does dynamic and whole-body scanning occur after 5 minutes?
• Which contrast media type stays intact in the bloodstream?
• Which of the following is true about the CT number for body tissues?
• What method of localization is used for 18F-amyloid tracers?
• What is the half-life range for confirming the radionuclide identity of FDG?
• Which radiopharmaceutical is known to have low spatial resolution due to high positron range?
• What condition is defined by the destruction of bone due to plasma cell abnormalities?
• In PET imaging, at what point is significant tumor growth typically indicated?
• Which materials are used to remove orbital electrons in a cyclotron?
• Which phase of contrast imaging occurs first after contrast administration?
• What is the role of somatostatin in physiological functions?
• What is the most common type of esophageal cancer?
• In the context of atherosclerotic lesions, what does the amount of FDG uptake correlate with?
• Which property of PET imaging contributes to its accuracy?
• What does continuous rotation of the gantry allow in helical CT?
• Which lobe is located posterior to the frontal lobe and is involved in processing sensory information?
• What is the decay time of BGO scintillators?
• Which aspects are essential for the 11C-Choline localization?
• What is the typical kVp used in scout scan parameters for PET imaging?
• In 2D imaging, background noise is typically _____________ than in 3D imaging.
• Which scintillator has the longest decay time?
• What process is involved in the production of 15O-Water using palladium and platinum catalysts?
• Which type of thyroid cancer involves C cells?
• What is the expected difference in Hounsfield Units (HU) during an equilibrium phase after contrast media injection?
• What is the primary goal of using CT attenuation coefficients in PET imaging?
• Which type of health condition can PET imaging help diagnose by detecting abnormal brain activity?
• What part of the heart is primarily supplied by the Left Anterior Descending artery?
• What imaging technique is primarily used for assessing the growth and size of tumors in PET scans?
• What is the primary characteristic of the Maximum Likelihood Expectation Maximization (MLEM) technique?
• Which isotope has the shortest half-life among O-15, N-13, and C-11?
• Which of the following medications is used in CPR to prevent tachyarrhythmias?
• What patient demographic is primarily affected by thyroid carcinoma?
• What is a primary characteristic of 18F-FDG?
• Why is the TNM staging system not applicable for lymphoma?
• Which of the following is an indicator of higher FDG uptake in certain cancers?
• What does iso osmolality refer to in contrast media?
• What is the increment measurement often used alongside slice thickness in very fine CT scans?
• How are 18F ions eluted from the cartridge?
• Differentiated Thyroid Cancer is categorized into which two types?
• What is the maximum energy of F-18?
• Which term describes Gray Matter FDG Uptake?
• At what surface radiation level does DOT Label Radioactive II (Yellow) apply?
• What is the primary action of anticoagulants?
• What is the typical radiation dose for a diagnostic PET/CT scan?
• What type of cells do leukemias originate from?
• What is the minimum fasting period required before tumor imaging for brain, colon, and prostate?
• What non-collinearity spacing degrades spatial resolution of the PET scanner?
• What information does an air scan provide regarding detector performance?
• What does daily QC calibration in a PET imaging system primarily compensate for?
• What is the density of BGO scintillators?
• What may occur as a side effect of high osmolality contrast media?
• Which hormone is produced by alpha cells in the pancreas?
• What are the three primary sources of CT artifacts?
• Which of the following medications helps relieve headaches and other minor aches?
• Which therapy has a promoting effect on spleen and bone marrow?
• What is the purpose of Bayesian analysis in the context of imaging?
• What is the primary purpose of CMS coverage for breast cancer?
• What is the process used to convert 18F-FtAg to 18F-FDG?
• What is the acceptable pH range for FDG?
• Which of the following is used as a marker of cell proliferation in PET imaging?
• Department of Transportation regulations for radioactive shipments are found in which section?
• Which of the following is a characteristic of seminomas?
• What is the typical age of patients with Thymomas?
• Which vasodilator is associated with A2A receptor binding specifically?
• What characterizes luxury perfusion in the brain?
• Which of the following cells are characterized as small lymphocytes?
• Which type of lymphoma is more common in adolescents and youth?
• What pattern of FDG uptake is characteristic for Alzheimer's Disease?
• What type of particle is identical to an electron and emitted from the nucleus?
• What is the purpose of irradiating high-purity H2O in 18F-FMISO production?
• What is commonly observed in the lungs with Sarcoidosis?
• Which isotope is commonly used for calibration in nuclear medicine?
• What is the typical spatial resolution of modern PET scanners?
• What is the typical mA in scout scan parameters for PET imaging?
• What percentage of data falls within 2 standard deviations in a normal distribution?
• Which layer of the stomach is NOT one of the five distinct layers?
• What is commonly associated with the advancement of Alzheimer's disease?
• Which of the following is the most common transmission source used in PET imaging?
• What is the formula for calculating SUV using Lean Body Mass (LBM)?
• Which imaging phase is characterized by a difference of at least 30 HU between the IVC and the abdominal aorta?
• In terms of sinogram representation, what does the X-axis represent?
• What factors influence scatter fraction calculation in PET imaging?
• What is the formula for a correction factor?
• What technology is described as automated systems inside lead-shielded hot cells?
• Which type of leukemia is typically associated with younger patients?
• Which type of epilepsy shows the best FDG-PET results for diagnosis?
• What is the formula for calculating Noise Equivalent Count Ratio (NECR)?
• What does insulin do in relation to blood glucose levels?
• What type of diabetes is associated with another condition or syndrome?
• Which isotope is considered most accurate for consistency in dose calibrator measurements?
• What type of detector is associated with a Geiger-Muller counter?
• What is the typical localization of 13N-Ammonia in PET imaging?
• What is a common treatment for thyroid cancer that utilizes a radioactive isotope?
• Post-chemotherapy PET scans should ideally be performed how many weeks after treatment?
• Which term describes the process of diagnosing and staging colorectal cancer?
• Where can hiatal hernias be observed in relation to 18F-FDG uptake?
• In the Time of Flight (TOF) calculation, which variable represents the speed of light?
• What role does the tricuspid valve play in the heart?
• How many hours before a PET scan should patients refrain from exercising?
• According to standards for CT slice thickness, what is the recommended thickness for lung nodules?
• What is the range in water for N-13?
• What immediate treatment is necessary for a cardiac arrest patient as part of CPR?
• What shape is the thymus primarily characterized by in pediatric imaging?
• What does an area that preferentially attenuates x-rays appear as on an image?
• Which factor is crucial to minimizing the effect of brown fat uptake in PET scans?
• What is an alternative to exercise stress imaging?
• Which phenomenon describes the process where electrons are emitted from matter?
• What class of medications is used to treat hypertension?
• Which cancer type is known for spreading to the peritoneum, liver, and lungs?
• What is the name of the structure on the cathode of an X-ray tube where the electron beam is formed?
• What occurs during the annihilation reaction of a positron?
• What results from the continuous feed of the bed in helical CT?
• How many parts does Head and Neck Imaging consist of according to the coverage?
• What is the energy resolution range for energy window calibration in PET?
• What is the decay time of NaI (Tl) scintillator?
• What characterizes frontal temporal dementia?
• Which type of gastric carcinoma is known to be associated with low FDG uptake?
• Which tumor marker is commonly associated with prostate and testicular cancer?
• What method measures the response from every CT detector?
• Which type of white blood cells are produced in lymph nodes and remain part of their structure?
• What radiation dose defines a Radiation Area?
• What form must be posted in any laboratory where radioactive materials are used?
• Which factor is critical in the interpretation of PET scans in the context of epilepsy?
• For patients with type 2 diabetes, when is it recommended to conduct imaging?
• Which material is commonly used to coat the inside wall of a PMT?
• In PET, what leads to axial blurring of images?
• Which medication must be withheld in patients undergoing a pharmacological stress test with dipyridamole?
• What cancer is linked to HPV and commonly found in women under 55 years old?
• Which brain structure is known as the "sensory relay"?
• What does the "T" in the TNM Staging System refer to?
• What lobes are lateral to the frontal and parietal lobes, divided by the Sylvian fissure?
• What is the primary function of deconvolution techniques in PET imaging?
• What is the PET reconstruction algorithm called that compares numerical projection data with measured projection data?
• What is the half-life of C-11?
• What is the atomic number (Z) of GSO scintillators?
• Which esophageal malignancy is often associated with Barrett's esophagus?
• What is the primary role of the lymphatic system in PET imaging?
• What is produced from the nuclear reaction 14N (d,n)?
• What is a common characteristic of Squamous Cell Lung Cancer?
• What image quality is derived from higher mAs settings?
• Which of the following is a characteristic of 68Ga-DOTA (TOC, NOCO, TATE) procedures?
• Which benign breast lesion is characterized by overgrowth of glandular tissue and ducts?
• In prostate carcinoma, what term describes the extent of the disease?
• Which structure in the brain is associated with areas of FDG uptake in the gray matter?
• Which condition is associated with the presence of more than 50 moles on the skin?
• What happens to glucose levels during monitoring after glucose loading?
• What is the Gamma Constant measured in?
• What is the primary outcome when diuretics are administered?
• The formula (weight/150 lb.) x Adult Dose corresponds to which dosing method?
• What is the formula to convert CPM to DPM?
• What is a common initial treatment strategy for uterine cancer?
• What type of insulin is characterized as fast-acting and is often used to quickly control blood sugar levels during meals?
• What role does glucagon play in the body?
• What is the primary regulation governing the production of PET radiopharmaceuticals?
• What does 10 CFR 35 cover regarding the use of radioactive materials?
• Compared to 3D imaging, how does the sensitivity of 2D imaging differ due to septa usage?
• What type of cancer is characterized by spread to periclonic fat and mesenteric lymph nodes?
• What is the density of NaI (Tl) scintillator?
• What is the appearance of FDG during quality control?
• What is the decay product of O-15?
• In a 13N-Ammonia rest/stress protocol, how long should you wait after the rest injection for stress imaging?
• What is the half-life of Rubidium-82 (Rb-82)?
• What are characteristic X-rays created from?
• What is the significance of a ligand in physical chemistry?
• In the context of PET imaging, what does the term "Geometric Transfer Matrix" refer to?
• What is the half-value layer (HVL) of tungsten?
• Which PET cardiac tracer utilizes blood subtraction during its imaging process?
• What common feature is shared between the coverage of lymphoma and multiple myeloma?
• Which reaction corresponds to the transformation of 14N with protons?
• What is the dominant type of interaction at 511 keV in positron emission tomography?
• What type of chromatography is associated with the production of 18F-Fluorothymidine?
• What is the typical delay after the administration of 18F-FMISO before imaging?
• Which document provides consolidated guidance about materials licenses for radioactive materials?
• By what percentage may Automatic Exposure Control (AEC) reduce the radiation dose?
• Lung activity in PET is most prominent on which type of images?
• Which PET tracer is preferred for measuring myocardial oxygen consumption?
• What does the cellular proliferation imaging technique primarily assess in tumors?
• Which particle is primarily associated with alpha decay?
• What is the alert level for 82-Rb?
• Which artery primarily supplies the lateral wall of the heart?
• What common tumor marker is associated with testicular cancer?
• What is the CT number for air?
• Which of the following best describes the beam manipulation in a Negative Ion Cyclotron?
• What strategy does indirect molecular imaging rely on?
• What should be withheld for 12 hours before the administration of 18F-Fluorodopa in patients with Parkinson's disease?
• What is the density of LYSO scintillators?
• In receiver operating characteristic curve analysis, what does the true positive fraction represent?
• What symptom is characterized by a deficit in cognitive function that cannot solely be ascribed to aging?
• In sinograms, what axis represents the activity across the detector?
• Which energy level is associated with the photopeak of Cs-137?
• What is the predominant type of gastric cancer?
• Which section of the brain controls basic life functions such as respiration and cardiac rhythm?
• Oligodendroglioma is classified as which grade of brain tumor?
• What effect does increased intensity on CT have on PET radiotracer intensity?
• Which medication is used to manage nausea associated with cancer treatment?
• What is an advantage of using a Negative Ion Cyclotron?
• How is net counts calculated?
• Larger body areas or larger patients require __________ kVp settings?
• Which group of nuclei is primarily associated with voluntary motor control?
• Which of the following conditions is NOT typically associated with memory loss and behavioral changes?
• How does a longer range of travel for a positron before annihilation affect resolution?
• What does slip-ring technology enable in Helical CT?
• What is the typical dose administered for 18F-Fluoromisonidazole (F-MISO) imaging?
• What intrinsic property do LSO and LYSO crystals demonstrate?
• Which substance is often combined with 5% dextrose in water for total parenteral nutrition?
• In the FDG quality control process, what does Rp measure in thin-layer chromatography?
• Which disease is specifically mentioned in the context of the dopaminergic system?
• What is the standard measurement unit for exposure to patients in CT?
• What is the composition of a helium atom emitted from the nucleus?
• CT AC parameters typically include which of the following mA value?
• What percentage of FDG uptake is observed in the brain?
• In which category would you classify alprazolam and lorazepam?
• What term describes the square sum of the differences of the relative crystal efficiencies between two scans?
• What is the role of adaptive detectors in MDCT systems?
• What is one typical parameter for OSEM regarding subsets?
• Which tumor markers are associated with breast cancer?
• What is the result of bombarding 20Ne with deuterons?
• What is the estimated radiation dose for PET with a 10 mCi injection?
• Which imaging method indicates deprivation of oxygen and is used for assessing tumor growth?
• Which hormone produced in the kidneys stimulates the production of red blood cells in the bone marrow?
• Which type of X-ray is produced when outer shell electrons drop to fill a lower shell vacancy?
• What particles do Negative Ion Cyclotrons accelerate?
• What is a deuteron composed of?
• What anatomical locations are of concern when treating cervical cancer?
• What process involves the creation of two electrons, one negatively charged and one positively charged, from electromagnetic energy?
• What is the duration for which records related to patient and occupational exposure must be kept according to regulations?
• What type of cancer is "initially not-covered" as per the text?
• What is the primary purpose of a beam filter in an X-ray system?
• What primary factor influences the time required for image reconstruction in OSEM techniques?
• What gas is used in the production of 15O-Gas?
• What are the common signs of anaphylactic shock?
• What is the glucocorticoid class of steroid hormone commonly used for infection and inflammation?
• Which term describes a vacant or unresponsive seizure?
• What do image reconstruction algorithms in CT refer to?
• Which type of patients may be premedicated with 2-5 mg of phentolamine?
• How is SUV calculated using Body Surface Area (BSA)?
• Which imaging is typically performed from neck to pelvis for cancer assessment?
• What additional factor is important for imaging guidelines regarding pancreatic cancer?
• Which mathematical technique assumes uniform attenuation and is effective in areas with uniform tissue?
• What is the CT number for soft tissue?
• How many types of events are detected as a result of annihilation photons?
• Which of the following methods can be used to remove random events in PET imaging?
• What level of radiation exposure defines a High Radiation Area?
• Which component is crucial for coincidence detection in PET scanning?
• What distinguishes Hodkin's Lymphoma from other types of lymphomas?
• What is the effective radiation dose to a patient when using 10 mCi of 18F-NaF?
• What type of test measures the reproducibility of measurements in a well counter?
• Nicotinic acid derivatives are useful in diagnosing which condition?
• Which medication is widely prescribed to help manage pain by acting on the central nervous system?
• What is the most prevalent form of prostate cancer that occurs in glandular tissue?
• What does two annihilation photons form between two crystals?
• What do positron-emission tomography (PET) images primarily assess in the body?
• How is the effectiveness of the Hyperinsulinemic/Euglycemic Clamp assessed?
• What is the term for the artifact appearance on a CT image caused by a faulty detector?
• How long should one wait after barium ingestion before performing a procedure?
• In terms of coverage, sarcomas can start in which type of tissue?
• Which federal regulation outlines the ALARA principle for radiation safety in PET imaging?
• Which medication is classified as an opioid analgesic?
• What is the typical slice thickness for a CT scan of the body?
• What percentage of all X-rays are typically produced by Bremsstrahlung radiation?
• What is the range in water for F-18 isotopes?
• What is the main function of Dees in a cyclotron?
• Which of the following is included as a by-product material under 10 CFR 35?
• What is a key symptom of Pick's disease?
• Which of the following methods is NOT a way to use 3D angle sinograms?
• How much radiation dose does a normal PET/CT scan typically deliver?
• What is the first step of glycolysis?
• What are the two concentric sleeves in a dose calibrator known as?
• Which tumor type is associated with malignant and rapid growth?
• Radiation dose equivalency is measured in which unit?
• What characterizes a Grade 1 brain tumor?
• Which type of diabetes is characterized by absolute insulin deficiency?
• Which of the following reconstruction methods offers less noise and artifacts when compared to filtered back projection?
• For patients with differentiated thyroid cell carcinoma who have a negative I-131, PET/CT is indicated when Thyroglobulin is greater than what level?
• What is the CT number associated with water?
• What is defined as flow per unit volume in PET studies?
• How is Tumor Glycolytic Volume calculated?
• What specific type of registration is used for images affected by motion and tumor growth?
• What term describes the coupled reduction in both cortical perfusion and metabolism in a specific area?
• What is one function primarily attributed to the parietal lobe?
• What is the primary consequence of dead time in positron emission tomography?
• What does the "N" in the TNM Staging System denote?
• What type of cells are primarily involved in the immune response and include both T and B cells?
• What is the osmolality of high contrast media compared to plasma?
• How does OSEM relate to MLEM according to processing techniques?
• What is used to calibrate an ionization chamber annually?
• Which factor mediates hypoxia-related aggressive tumor behavior and therapy resistance?
• What is the specificity range of FDG PET for Alzheimer's Disease?
• In terms of cardiac metabolism, what does a normal myocardial blood flow with decreased glucose metabolism indicate?
• Quantitative information in PET should be considered less falsely reduced in lesions larger than what size?
• What percentage of 18F-NaF is known to accumulate in bone?
• In the context of seizures, what are the two main types?
• What is the half-life of Rb-82?
• What nuclear reaction occurs in 18O when bombarded with protons?
• What does high and low contrast resolution evaluate in a CT scan?
• In which part of the brain is the high uptake of FDG distribution observed?
• Which valve is situated between the left atrium and the left ventricle?
• What is the primary purpose of using 11C-FMAU in PET imaging?
• Which cell type is specifically identified as Natural Killer Cells?
• Patients receiving rapid-acting or short-acting insulin can begin a PET scan after __________ hours following treatment.
• What is the primary uptake site for FDG associated with hematopoietic growth factors?
• What compound is produced by nucleophilic substitution of mannose triflate?
• What is the recommended exposure rate for a patient injected with 15 mCi according to AAPM report 108?
• What physiological aspect does 15O-Gas measure during PET imaging?
• What type of absorbers are used in conjunction with HCL acid for PET radiopharmaceutical production?
• What is the largest part of the brain that consists of two hemispheres?
• How much radiation exposure is considered a Grave Danger zone?
• What is the term for the correction method that accounts for partial-volume effects in PET imaging?
• What is the most common type of female reproductive cancer?
• What is the clinical significance of increased synthesis of monoclonal immunoglobulins in multiple myeloma?
• Radiosensitivity of a tissue is inversely proportional to which factor?
• Which tumor marker is associated with pancreatic cancer?
• What percentage range is typical for Full Width at Half Maximum in PET imaging?
• What are the prompts included in PET imaging analysis?
• What is the standard deviation of pixel values in a water phantom referred to as?
• Which artery supplies the inferior wall of the heart?
• Which artifact is associated with low mA and keV settings?
• What is the primary energy source for the myocardium after fasting?
• Which property of the sinoatrial node is critical for heart function?
• Which technique would best describe the process of model-based correction in PET?
• What describes Gestational Diabetes?
• What type of chemical reaction converts mannose triflate into its nucleophilic product?
• Which part of the body does the thymus primarily affect in pediatric patients?
• What is the significance of the focal spot in x-ray production?
• Beta particles are electrons that contain which two components?
• What area does the Right Coronary Artery primarily supply?
• Which type of ovarian cancer is more prominent among patients?
• What characterizes a Grade 4 brain tumor?
• In terms of FDG activity in the lungs, when is it considered abnormal?
• How is the radionuclide identity of FDG verified?
• The term 'masked myocardial ischemia' is associated with which consequence of infiltrated doses?
• What is used in the procedure of 82Rb-Chloride for localization of cardiac tissues?
• According to PET/CT coverage updates, what was covered starting in 2010?
• How often can Rb-82 generators be eluted?
• What is a common characteristic of tumor cells observable in PET imaging?
• Which brain region is responsible for organization, problem-solving, attention, and planning?
• Which tumor type is often slightly more common in women than men?
• What is the level of Strontium-85 at stop levels?
• In the context of CT imaging, which process involves low-energy photons being absorbed first?
• When sensitivity is highest at the center of the field of view, but decreases toward the edges, this describes what aspect of PET scanning?
• Which tumor marker is typically used for colon cancer detection?
• What effect is described by the loss of density or concentration of a small object in an imaging system?
• What aspect does NUREG-1556 focus on for materials licenses?
• What type of substitution occurs when an electron-rich group of atoms replaces a positively charged leaving group?
• In the context of PET imaging, what does 'SUV' stand for?
• What effect does the presence of oral CT contrast have on SUV?
• What is the main pathway for lymphatic drainage in most of the body?
• How long after contrast media administration is the hepatic arterial phase typically observed?
• What is the typical dosage range for 82Rb-Chloride administered directly into a patient during the procedure?
• What resolution is achieved with a Gaussian filter of 12mm or larger?
• Which procedure is associated with 13N-Ammonia in PET imaging?
• What term describes the time required for PMT and detector blocks to process individual electronic pulses?
• What is one of the most common types of dementia that can be imaged with PET?
• Glucose is classified as what type of carbohydrate?
• How is insulin administered in a Hyperinsulinemic/Euglycemic Clamp procedure?
• What calculation uses the difference in arrival time of two annihilation photons to determine the position of the annihilation event?
• To ensure patient safety during PET scans, what is commonly minimized?
• Which of the following is an example of a non-steroidal anti-inflammatory drug (NSAID)?
• What is the standard dosage range for administering 18F-Choline post injection?
• What is the recommended time interval for imaging after chemotherapy?
• What is the stop level for 82-Rb?
• What can result from having a CT reconstruction that is lower than the PET reconstruction field of view?
• What is the name of the drug commonly known as Furosemide?
• What does the term "Tumor of Unknown Primary" refer to?
• What type of artifacts may arise from using CT for attenuation correction?
• What is a common medical imaging technique that may produce metal or contrast artifacts?
• What is the initial precursor molecule used in the production of 18F-FDG?
• What is the role of the thalamus in the brain?
• What is the primary origin of pancreatic cancer?
• Which of the following conditions can glucocorticoids be prescribed for?
• How is pitch calculated in PET imaging?
• How is Lean Body Mass (LBM) calculated for males?
• Which site is the most common for distant metastasis in Non-Small Cell Lung Cancer?
• What type of artifact can occur when CT scans are reconstructed with a smaller bore diameter for PET/CT-AC?
• To which element does Rb-82 decay?
• What is the delay time recommended for performing an imaging study after administering 13N-Ammonia?
• Which lobe of the brain is primarily responsible for cognition and motor function?
• What is the mean energy of an ejected positron in relation to its maximum energy?
• What phenomenon leads to different dead times across bed positions in whole body imaging?
• What is typically observed in the interictal phase of FDG uptake in epileptics?
• What type of tumors is characterized as metabolically weak?
• What is the typical pressure range for gas in dose calibrators?
• What is the typical time frame for FDG uptake in a fracture to normalize?
• In which size of tumor is PVE (Partial Volume Effect) more prominent?
• What is the recommended dosage of 82Rb-Chloride for imaging?
• Which statement accurately describes the role of glucagon?
• What is the required limit of hydrolysis step for CLDG according to FDG QC?
• What does the term "opacity" refer to in imaging?
• What is the primary limitation of FDG imaging in prostate cancer?
• What test is used for the bacterial endotoxin test (BET) in FDG?
• What is the conversion factor from Gy to rad?
• Which of the following components is involved in the production of 11C-Choline?
• What is the minimum radiochemical purity for FDG when tested using Thin-Layer Chromatography?
• What is the effect of an elevated level of specific membrane proteins in malignancies?
• Which of the following is important for determining whether a patient meets CMS reimbursement criteria for PET imaging?
• Which imaging technique is used for evaluating random coincidences in PET?
• What artifact is caused by a falsely low reading when calibration fails or a detector drifts in PET?
• What DOT label indicates a radiation level of 10 mR/hr at a distance of 1 meter?
• What pattern of FDG uptake is typically observed in Frontal-temporal lobe dementia?
• What is the osmolality of contrast defined as low?
• What medication class commonly ends with the suffix 'ol' and is used in various cardiac conditions?
• Which part of the brain is characterized by the separation of left and right by the tentorium?
• What treatments are categorized as bronchodilators?
• What shape is observed in imaging due to FDG uptake in certain head and neck tissues?
• What is assessed by the 'Output of Tube' during daily CT quality control?
• Which body tissue has CT numbers that are closest to that of blood?
• Which type of carcinoma is included in the Types of Tumor of Unknown Primary?
• Which type of diabetes occurs mainly due to hormonal changes during pregnancy?
• Which thyroid carcinoma type does not concentrate iodine?
• Which stress agent should be given to patients with heart block or a pacemaker?
• Which processing method is characterized by having a reduced imaging time while utilizing a subset of data?
• A reduction in brain function, as indicated by 18F-FDG uptake, is observed in which condition?
• How many small crystals typically make up a PET detector block?
• What type of radiation safety measure is a ring dosimeter typically used for?
• What is the main characteristic of 11C-Sodium Acetate regarding urinary excretion?
• What is the delay time before imaging during the 82Rb-Chloride procedure?
• How long after administration should imaging typically begin for tumor imaging?
• What is the appropriate dosage for Dipyridamole during its infusion protocol?
• Which compound acts as a potassium analog in myocardial perfusion imaging?
• What measurement technique in PET does the Time of Flight method improve?
• What is the occupational exposure limit for the fetus of radiation workers per year?
• What term describes the measurement related to coronary blood flow during peak hyperemia?
• What are the two main types of MDCT detectors?
• What are the Five Rights of Drug Administration?
• What finding on imaging can indicate the presence of granulomas due to Sarcoidosis?
• What is the correct sequence of steps in CPR?
• What term describes the molecular imaging method that replicates downstream physiological effects of molecular or genetic processes?
• What radiopharmaceutical first received FDA approval for PET imaging?
• In non-equilibrium contrast media injection, what is the expected HU difference between the IVC and abdominal aorta?
• What type of lymphocytes are primarily involved in the body’s adaptive immune response?
• What compound is specifically converted by 13N labeling in PET imaging?
• What is a typical normal range for creatinine levels in children?
• What is the calculation formula for CT number using the linear coefficient?
• What is the typical rotation time for a CT gantry?
• What type of cancer is characterized by the presence of abnormal plasma B cells?
• What is the annual limit for fetal exposure to radiation expressed in Sieverts?
• During the annihilation event, what mass is converted to energy?
• When using pharmacological stress tests, what effect does withholding specific medications have?
• What imaging plane is special for epilepsy evaluations?
• What is one benefit of using fused images obtained from CT?
• What is the plasma half-life of Dipyridamole after infusion?
• In PET quality control, what process converts reconstructed image pixel values into activity concentration?
• In the context of PET imaging, what does the term 'raw-action maximization likelihood' refer to?
• Which group of brain structures is responsible for behavior and emotions?
• What describes the potential exposure from a gamma source?
• What is the occupational exposure limit for the lens of the eye per year?
• What tumor marker can indicate liver and gallbladder disease, among others?
• Which of the following is NOT a long-lived constancy source?
• What is adjusted based on the size and density of the patient in CT imaging?
• In tissues such as muscle, which major transporter is utilized for glucose uptake?
• What nuclear reaction yields 13N from hydrogen and oxygen?
• What is the typical scan distance in scout scan parameters for PET imaging?
• Which type of brain tumor is classified as Grade 3?
• What is the recommended duration to discontinue certain medications prior to a PET scan?
• What is the initial data format obtained in PET imaging?
• What describes early brain PET findings in Alzheimer's Disease?
• What is the occupational exposure limit for skin/extremities in terms of Sieverts per year?
• Cu-ATSM and Cu-PTSM are classified as what type of PET agents?
• How does fasting prior to 18F-FDG administration affect myocardial metabolism?
• Which lymphoma is more commonly B-cell related and has less systemic spread?
• What does DPM represent in radiation detection?
• Which of the following types of insulin is typically clear and used regularly for glycemic control?
• Which nuclear reaction leads to the emission of Ne-18?
• Which enzyme performs the first step of glycolysis?
• What is the range for the CT number of blood?
• In terms of radiosensitivity, which tissue type is least sensitive?
• Which radiotracer is preferred over the other for detecting neuroendocrine tumors?
• What is the name of the cyclic RGD-based tracer introduced by GE Healthcare?
• Which medication is used for both arrhythmias and to slow heart rhythms?
• How is standard deviation calculated?
• What is the typical percentage yield of 18F to 18F-FDG?
• What formula is represented by [(age+1)/(age+7)] x Adult Dose?
• Increasing the pitch in a CT scan reduces patient what?
• According to CPR and ECC recommendations, what is the appropriate adult compression depth during resuscitation?
• What technique reduces unnecessary 3D data to a stack of independent 2D sinograms for reconstruction?
• Which radiopharmaceuticals are used for treating medullary thyroid carcinoma?
• What is the main method of localization for 18F-Sodium Fluoride?
• Occupational exposure in PET/CT compared to general nuclear medicine is approximately how much higher?
• What does a low uptake in the caudate and putamen suggest in PET-FDG scans?
• Ring dosimeters are issued to individuals at risk of exceeding a minimum extremity dose of what per year?
• What is the name of the post-processing technique that reformats cross-sectional CT images into different image formats?
• What type of cyclotrons are commonly used to create PET radiopharmaceuticals?
• What is a molecule that binds to a central metal atom to form a coordination complex called?
• What type of package is 18F shipped in when empty?
• What type of infection is Histoplasmosis?
• What characterizes Type 2 Diabetes?
• What is a characteristic finding in post-chemotherapy PET scans?
• In the context of colorectal cancer, which of the following describes its use at later stages?
• What is the common gas used in dose calibrators?
• What is the primary role of the Left Main Coronary Artery?
• What voltage is applied between the anode and cathode in an X-ray tube and is proportional to the energy of X-rays?
• Which high level marker is associated with thyroid cancer?
• What results when an inner shell electron combines with a proton, creating a neutron and neutrino?
• What is the density of GSO scintillators?
• Which type of thyroid cancer is known to produce calcitonin?
• What material reflects blue light from the event into the PMT in PET imaging?
• What duration of fasting is typically required before the 18F-FMISO procedure?
• What is the limit for chemical purity of Kryptofix 222 in terms of mg/ml per batch according to FDG QC?
• How thick is the half-value layer (HVL) of lead?
• What is the most common matrix size used for CT raw data reconstruction?
• Which type of cancer primarily affects women over 65 years of age and is primarily renal cell carcinomas?
• What is the dose limit allowed for radiation workers annually to the whole body in rem?
• What is a major disadvantage of very thin collimation in PET imaging?
• What are the common imaging positions for myeloma examinations?
• What is the formula for calculating the SUV body weight?
• PET myocardial perfusion imaging is particularly beneficial for which group of patients?
• What are the key parameters for an 11C-Sodium Acetate procedure in terms of fasting and scanning dose?
• What is the main function of the aortic valve in the heart?
• In regards to frontal temporal dementia (FTD), what is primarily absent in brain imaging?
• Which coverage includes "All other cancers not listed" as of 2013?
• What is the light output of GSO scintillators?
• Which organization is primarily responsible for the safety regulations of radioactive materials in the United States?
• At what age is myeloma most commonly diagnosed?
• What is the average pitch set in CT AC parameters?
• What regulation describes notices, instructions, reports to workers, inspections, and investigations related to radiation protection?
• What type of diet is advantageous to recommend to ensure the body does not primarily use carbohydrate metabolism?
• Which of the following is a reconstruction method that assigns values in the projection to all points along the line of acquisition?
• What is the purpose of glucose loading before FDG injection?
• Which type of neoplasm is included in the Types of Tumor of Unknown Primary?
• Stomach reflux disease can lead to FDG uptake at which location?
• The PET/CT coverage update in 2013 pertained to what aspect?
• What setting restricts the number of rings that can be used for coincidence detection?
• The partial volume effect causes small objects to be displayed with falsely __________ intensity, leading to a __________ in SUV.
• What is the GI tract's site of normal uptake?
• What is one of the key purposes of PET imaging in clinical practice?
• Which of the following DOT labels corresponds to a radiation level of 50-200 mR/hr at the surface?
• What is defined as a complete response to therapy regarding tumor foci?
• What is the primary benefit of using thin collimation in PET imaging?
• What percentage indicates the radionuclide purity for FDG in terms of peak at specific MeV levels?
• What does an inconclusive PET test mean according to CMS guidelines?
• Which PET detector is classified as intrinsically radioactive?
• What can be expected with higher subsets and iterations in OSEM reconstruction?
• The formula [Age/(Age + 12)] x Adult Dose is used to calculate which of the following?
• What characterizes malignant pulmonary nodules on CT imaging?
• What is the minimum normal Glomerular Filtration Rate (GFR)?
• What is the primary use of antiemetics in patients undergoing cancer treatment?
• Which imaging technique involves the use of Monte Carlo modeling?
• What is the initial treatment focus for esophageal cancer according to CMS coverage?
• In dementia with Lewy bodies, FDG uptake is decreased in which brain regions?
• Multiple focal cortical and subcortical defects on an FDG study are indicative of which diagnosis?
• What is the primary purpose of a blank scan in PET?
• Granulocyte-colony-stimulating factors (G-CSF) enhance FDG uptake in which areas?
• What does CTDI(vol) x scan length in cm calculate?
• Which part of the heart is known as the pacemaker?
• Which of the following is known as acetylsalicylic acid and is used as an analgesic?
• Which tumor marker is often used to diagnose melanoma?
• What is the characteristic of White Matter FDG Uptake?
• What is produced using the reaction between Grignard Reagent and CO2 gas?
• What is the role of Kinase 1 in the context of cellular proliferation?
• Which of the following is a disadvantage of using CT for attenuation correction?
• In PET imaging, what does the liver and spleen show indicative of normal FDG uptake?
• What does the Point Spread Function (PSF) enhance in PET imaging?
• What is monitored in the CMS coverage for breast cancer therapy?
• What is required to test for radioactive contaminants in the 82Rb-Chloride procedure?
• What is the name of the one-way valve located between the left atrium and the aorta?
• What is the purpose of the rigid registration technique in imaging?
• How many carbon atoms does glucose contain?
• In terms of depth, how deep are the crystals in a PET detector block?
• How long after the initiation of adenosine infusion should peak effects be noted?
• Applying PSF on small lesions may result in what effect on SUV max?
• What type of seizure is characterized by localized symptoms with no loss of consciousness?
• What age range is commonly affected by Thymomas?
• What is the resolution associated with a Gaussian filter that has a diameter of 5mm?
• What is the primary characteristic of Hibernating Myocardium?
• In a 68-Ge/68-Ga generator, what is the medium used for eluate?
• What is the imaging phase that occurs after vascular transit in the 11C-Palmitate Method of Localization?
• What method is primarily used for the production of 18F-Flurothymidine (FLT)?
• What are the sensitivities and specificities of FDG PET in epilepsy?
• What term describes the setting of initial and subsequent treatment strategies for Head and Neck Cancer?
• The design of the FDG molecule is based on labeling which atom?
• What is represented by the variable 'D' in the TOF calculation formula?
• What is the standard delay time following 11C-Palmitate injection before imaging begins?
• What is the significance of Hydroxyapatite in PET imaging?
• What is the name of the one-way valve located between the right atrium and right ventricle?
• What percentage of data falls within 1 standard deviation in a normal distribution?
• In which timeframe can soft-tissue lymphomas and high-grade NHL typically be restaged?
• Where might cervical cancer spread to?
• Which PET tracer is validated for assessing cardiac metabolism?
• What is the typical dose of 18F-Fluorodopa used in procedures?
• Which organ is the most common site for metastasis?
• What dietary condition is most likely to elevate the metabolic activity associated with malignancies?
• What is the biological test that establishes a radiopharmaceutical's pyrogenicity?
• What factor leads to the recommendation to discontinue breastfeeding prior to PET imaging?
• Which tumor marker is associated with hepatocellular cancer?
• A low carbohydrate and high protein diet favors the metabolism of which substance?
• What is the primary focus of Ovarian Cancer Coverage?
• What is the expression to calculate the effective half-life?
• What is the approximate degree of deviation from 180 degrees associated with non-colinearity in PET imaging?
• How is pixel size calculated in CT scans?
• What term refers to the absence of response during certain types of seizures?
• How is Lean Body Mass (LBM) calculated for females?
• In PET imaging, what is the purpose of scatter correction techniques?
• What major blood vessels supply the liver?
• Which quality of detectors is evaluated by the daily QC tests in CT scans?
• What advantage does high SNR provide in PET imaging?
• Aspergillosis is primarily caused by exposure to what type of environment?
• Which of these structures is NOT typically associated with cognition and motor functions?
• What term describes the transition of energy within a molecule or atom from a higher to a lower state without accompanying photon emission?
• What type of systems are used for radiopharmaceutical synthesis inside lead-shielded hot cells?
• What does a successful reconstruction technique aim to reduce in PET imaging?
• Which component is crucial for calculating the scatter fraction in PET imaging?
• What aspect of Head and Neck Coverage is included in initial treatment strategy?
• What is the primary tumor marker for ovarian cancer?
• In which metabolic pathways do Neuroendocrine Tumor (NET) radiopharmaceuticals investigate?
• What phenomenon describes the energy loss of an x-ray photon while being deflected?
• What play role in increasing FDG uptake besides tumors?
• What significant development regarding PET/CT coverage occurred in 2009?
• Which type of dementia is characterized by the presence of Pick's bodies?
• What is the minimum dosage range for the 18F-Choline procedure?
• How often is restaging performed for patients undergoing therapy for lymphoma?
• Which anatomical structure is often highlighted during high FDG uptake in scans?
• Which medication class is commonly used to reduce fast rhythms of the heart?
• What is an example of a substance that has a CT number of around 20?
• What imaging technique is compared to PET when discussing reconstruction algorithms?
• Which radiopharmaceutical is used for measuring myocardial oxygen utilization and reflects tissue fatty acid metabolism?
• What hormone is responsible for facilitating glucose uptake in liver, muscle, and adipose tissues?
• In terms of heart valves, what does the term "one-way" refer to?
• Which genetic mutation is associated with Alzheimer's disease?
• What is the primary advantage of PET over SPECT in imaging?
• How many hours must wipe tests, surveys, and examinations of a radioactive package be completed within?
• What condition is associated with falsely high uptake of glucose in tumor imaging?
• What type of imaging is performed first during viability studies for heart function?
• Which element has an atomic number of 65 and is a component of LSO scintillators?
• Which imaging is typically performed using 11C-Palmitate?
• Which is a solid tumor often considered weak metabolically?
• Which type of lung cancer is more common and spreads slowly?
• Which of the following isotopes is a daughter isotope of Strontium-82?
• What is the specific enzyme in the liver that cleaves glucose phosphate and may be better to image later due to balance issues?
• What type of electrical setup does an ionization chamber operate at?
• Malignancies exhibit an elevated amount of what that assists with metabolic expression?
• During which time frame does the plasma half-life of adenosine occur?
• Which reconstruction technique is known for generating substantial streak and noise, even outside of the patient's body?
• What is the principal method of reducing radiation exposure to patients in PET/CT?
• Which regulation specifies dose limits and posting requirements for work areas concerning radiation protection?
• What is the maximum safe exposure limit for general public whole body exposure to radiation per year?
• What is the primary strategy used in Direct Molecular Imaging?
• What processing technique utilizes the frequency - distance principle to place information back in a slice?
• What process involves a metastable isotope releasing energy via gamma ray?
• In the 18F-Choline procedure, how long should a patient fast before the imaging?
• What does the term 'clear liquid, free of particles' imply in FDG quality control?
• What is the standard deviation percentage for data in a normal distribution that falls within 3 standard deviations?
• What is the occupational exposure limit for whole body radiation for radiation workers per year?
• What characterizes Sarcoidosis?
• Which radiopharmaceutical can have up to 95% first-pass extraction rate?
• In a comparison between metastatic Renal Cell Carcinoma and primary RCC, which shows more FDG uptake?
• How is the percentage error calculated?
• What is the survival rate for thymic tumors described in the coverage?
• What artifact can occur due to patient movement between CT and PET scans?
• Which organization is responsible for regulating radiopharmaceuticals in the context of PET?
• Which artifact appears as concentric circles on a CT image?
• Which term refers to the ability to correct the Partial Volume Effect?
• What is the range of the CT number for fat?
• Which type of cancer primarily occurs in the gastric system and affects men over 65?
• What is Bremsstrahlung radiation primarily associated with?
• How long is the usual wait time for total body imaging using 18F-Sodium Fluoride?
• What is the light output of BGO scintillators?
• What is the photopeak energy of the isotope used for calibrating a well-counter?
• What mechanism provides high sensitivity in Gas-Filled detectors?
• What term describes the electrical activity that facilitates the spread of stimuli through the heart's chambers?
• The Full Width at Half Maximum (FWHM) formula includes which of the following elements?
• What technique is used to remove noise within transmission scans and separate images with similar densities?
• What type of energy transition refers to the movement from a excited state to a ground state without photon release?
• Which type of lymphoma is more common in young adults?
• What is the recommended window for EEG monitoring related to seizures during PET scans?
• Proton-rich nuclei can undergo decay through which two mechanisms?
• Which valve connects the left atrium to the left ventricle?
• What is the primary route of drug movement across cell membranes in PET imaging?
• What is used to elute the 68Ga from the 68Ge/68Ga generator?
• Why is PET/CT considered superior to CT for evaluating post-treatment response in lymphoma?
• What modifier must be added when orders for PET and CT examinations are on the same date of service?
• What is generally advised for the imaging prep for patients diagnosed with type 2 diabetes?
• How does the uptake of glucose typically occur in muscle tissues?
• How is well counter efficiency calculated?
• What is the recommended duration for discontinuing 5% Dextrose in water and total parental nutrition before a PET scan?
• What is the standard collimator width used in CT AC parameters?
• Which class of drugs is categorized as acetylcholinesterase inhibitors in Alzheimer's treatment?
• What term describes a 2D projection space representation of a transaxial image?
• What is the maximum size of a pulmonary nodule as defined in oncology?
• Which nutrient plays a role in cell membrane production and fatty acid metabolism?
• What formula is used for calculating Body Surface Area (BSA)?
• What type of medication is primarily used for the management of hypertension and angina?
• Which age group is most associated with chronic leukemia?
• What is the sensitivity range of FDG PET for Alzheimer's Disease?
• What role do PMTs play in PET imaging?
• What is the typical voltage range applied to a photomultiplier tube (PMT)?
• Which type of cells demonstrate increased uptake during inflammation and infection?
• What is mAs proportional to in relation to X-rays produced?
• What term refers to the measure of consistency in dose calibrator output?
• What is the term for the loss of concentration of a small object in an imaging system?
• What is a characteristic of renal cell carcinomas?
• The Costwold System divides both HL and NHL into how many stages?
• Which of the following is NOT considered an origin of Head and Neck Cancer?
• What is the half-life of Gallium-68 (68-Ge)?
• For patients with lung cancer, what aspect is emphasized in CMS coverage?
• Which type of insulin is known as rapid-acting or short-acting?
• In which condition would FDG uptake in the brain likely be significantly higher?
• What is a common symptom of Histoplasmosis?
• What is the distinguishing feature of brain imaging for Alzheimer's Disease?
• Which medications are known for relieving nervousness and tension by slowing down the central nervous system?
• What is the spatial resolution achieved by the arrangement of detectors in PET mammography?
• According to CFR regulations, the instrumentation required for the dose calibrator must be calibrated based on which section?
• What dose does a low-dose CT typically contribute to a PET/CT scan?
• If IV access is not available, which alternative route of administration is acceptable?
• Which imaging method is utilized with 18F-FMISO for assessing tumor hypoxia?
• Which type of materials are common in the design of CT detectors?
• What is primarily affected by the mAs setting during imaging?
• In a Gaussian filter, what diameter corresponds to an average resolution?
• What effect occurs due to interactions close to the edge of a detector, potentially leading to variations in image clarity?
• What is the recommended compression rate in CPR and ECC?
• Which aspect is NOT a result of lower scanning time in PET compared to SPECT?
• What is another name for a "Bow-Tie" filter in X-ray systems?
• What type of detector is an ionization chamber classified as?
• What does the signal represent in tumor imaging?
• What primary factor influences SUV measurements in PET imaging?
• What does the Y-axis in a sinogram represent?
• In terms of cancer spread, what organs are commonly affected by Non-Small Cell Lung Cancer?
• What is the limit of endotoxin units for FDG quality control?
• CT scans for attenuation correction are typically performed at which energy level range?
• What does the Exposure Rate Constant refer to in PET imaging?
• In calculating Effective Dose (E), what does WT stand for?
• What is a notable characteristic of Liver Cancer Coverage?
• Which of the following is an advantage of having a larger field of view (FOV) in PET detectors?
• What kind of supplies are linked to the Right Coronary Artery?
• Which radiopharmaceutical is used as a marker of cellular proliferation?
• What is the radioactivity level for Strontium-85 (Sr-85)?
• What effect does radiation therapy have on FDG uptake in bone marrow?
• What is the typical range for coincidence timing windows in PET imaging?
• What must be done with survey results and records of radioactive materials in a laboratory?
• Which of the following accurately identifies a characteristic of positronium?
• Which class of medication is used to treat and prevent blood clots?
• What is being measured when assessing noise in phantom images during daily QC tests?
• What isotope is used to calibrate a well-counter?
• Which of the following indicates a higher image quality in PET scans?
• In radiation measurement, what does CPM stand for?
• What property of a PET tracer determines its ability to enter the brain?
• According to the inverse square law, what does (I1)(D1)^2 equal to?
• PET-FDG studies in patients with Huntington's disease typically show low uptake in which areas?
• What is the time frame for the portal phase after contrast media administration?
• What is an effect of scattered events on PET imaging?
• What is the normal SUV range for the liver?
• What functions does the cerebellum control?
• What is the CT number range for muscle?
• In tumor imaging, which condition may cause misleading results due to glucose uptake?
• Which type of thyroid carcinoma is noted for being very aggressive?
• OTA provides descriptions of changes in which aspect of diagnostic tests?
• What is the growth nature of a Grade 2 brain tumor?
• Which characteristic is true for Ionic Contrast Media?
• What phenomenon occurs when bialkali material emits electrons due to photon interaction?
• What term describes the process of generating a map of attenuation correction values for each pixel in a PET image?
• Which body systems can affect the registration of PET imaging results due to motion?
• Cold-pressure testing with PET MPI is used to assess what?
• What does the delayed coincidence channel technique address in PET imaging?
• What is the characteristic action of the cathode in x-ray production?
• How does thin collimation affect streak artifacts in imaging?
• Which cardiac perfusion tracer is not FDA approved?
• What is extracted by normal myocardial cells during the 11C-Palmitate uptake?
• What is the slice thickness for very fine CT scans?
• What is the recommended waiting period for IV contrast before a procedure?
• Which type of crystal does the well counter use?
• What is a primary characteristic of the negatively charged atoms in a cyclotron?
• Which method is used for localizing blood flow and oxygen metabolism in cardiac imaging?
• Which of the following artifacts can be attributed to the scanning process itself?
• What percentage of all events in 3D PET imaging are scatter events?
• What is the primary benefit of FDG in PET scans?
• What is the maximum energy of O-15?
• Which cancer is effectively treated with radiation therapy?
• Which occupational exposure limit is specified for the lens of the eye in Sieverts?