Nuclear Medicine Practice Exam

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• What is the latest time that a 99mTc compound, prepared at 1000 with an 8-hour shelf life, can be administered?
• What is the annual occupational dose limit to the eye according to NRC regulations?
• Which of the following properties is NOT impacted by the mode of administration of drugs?
• How do mode of administration and delivery interrelate in pharmacokinetics?
• What is the function of a draw sheet during patient transfer?
• The difference in hematocrit values between the average whole body hematocrit and the venous hematocrit is the result of?
• After a 123 I thyroid study, when is it appropriate to perform a 125 I plasma volume measurement?
• What is the primary concern when selecting shielding materials for radioactive sources in nuclear medicine?
• How often should wipe tests of areas where radiopharmaceuticals are prepared be performed?
• Furosemide is administered during renal imaging primarily to:
• When should geometric variation on a dose calibrator be performed?
• A patient with hypoglycemia may show all of the following symptoms except:
• According to the NRC, a written directive must be prepared for the administration of which radiopharmaceutical?
• What is the allowed dose of ionizing radiation to a declared pregnant woman's embryo/fetus?
• A technologist performs an aluminum ion breakthrough test on 99mTc eluate and observes a faint red color with aluminum ion solution. What do these results indicate?
• If a 99Mo/99mTc generator is eluted on Monday at 0600, when is the maximum 99mTc activity that could be eluted?
• After the administration of 99mTc pentetate aerosol with a face mask, radioactive contamination is likely to be found in all of the following areas except:
• In evaluating anaphylactic reactions, which symptom is more characteristic of a mild allergic reaction rather than anaphylaxis?
• Which radiation monitoring device is best suited to survey a patient who has received a high dose of I-131 for therapy?
• Three or four phase bone imaging is particularly useful in the case of suspected?
• How soon after administration of 99mTc exametazime can SPECT brain imaging begin?
• According to NRC regulations, reports of medical events sent to the NRC must include all of the following information except:
• Which radiopharmaceutical is used to assess vesicoureteral reflux by the indirect method?
• Over what area are 24-hour images sometimes performed to demonstrate gastroesophageal reflux?
• Which type of collimator is best for organ counting during a red cell sequestration study?
• Which tracer is preferred for a first pass stress and rest cardiac function examination?
• Which ingredients in a sulfur colloid kit are combined and heated during preparation?
• When a patient with a chest tube arrives for an imaging study, what should the technologist do?
• What is the main purpose of administering 1-1.5 mCi of 201 Tl thallous chloride before rest myocardial imaging?
• What is the primary reason for preparing radiopharmaceutical kits in nitrogen or argon-purged vials?
• What should be done if a patient receives a unit dosage of Sr 89 chloride intended for another patient?
• A dose calibrator accuracy test may be performed with which of the following radioactive sources?
• Which of the following is true regarding the pulse height analyzer settings for a radionuclide?
• Which of the following is NOT an advantage of the in vitro method of labeling red blood cells with 99mTc pertechnetate?
• What is the effect of changing the order of a Butterworth filter from 3 to 5?
• Which of the following statements about an image acquired with zoom is true?
• What is required for radionuclide cystography performed by the direct method?
• When can a decay factor be utilized for calibrating a unit dosage?
• Which matrix size and acquisition mode would be most appropriate for a blood flow study of the feet?
• Which isotope is most commonly used for thyroid imaging?
• In a normal hepatobiliary study, which structure is typically not visualized?
• What is the primary characteristic of a paralyzable counting system?
• What is true when transient equilibrium occurs between 99Mo and 99mTc?
• What is the shelf life of most 99mTc labeled radiopharmaceuticals?
• Which of the following statements about the half-value layer (HVL) is incorrect?
• Thyroid imaging may be performed with which of the following radiopharmaceuticals?
• Which procedure is least likely to require patient catheterization?
• The background ROI used in determining percentage gastroesophageal (GE) reflux is placed over the:
• Heating is required during the preparation of all the following 99mTc labeled radiopharmaceuticals except for which one?
• Which personal protective equipment is necessary before handling radioactive materials?
• Which radionuclide is commonly used in thyroid imaging?
• An acceptable flow rate for a drip infusion is how many drops per minute?
• What factor can compromise the accuracy of a dose calibrator after installation?
• According to the NRC, a written directive is required for the administration of which radiopharmaceutical?
• In a nuclear medicine procedure, what is the purpose of using a collimator?
• Which tomographic plane of the heart displays all walls of the left ventricles?
• During a medical event, when is notification to the NRC required?
• According to USP criteria, which statement about MAA preparations is correct?
• When caring for a patient without a known communicable disease, which of the following infection control measures is unnecessary?
• What is the primary advantage of using furosemide during renal imaging?
• According to the NRC, how often must 99Mo contamination in 99mTc eluate be measured?
• Which radiopharmaceutical is typically used for assessing gastric emptying?
• During red blood cell labeling with Cr51, what is the purpose of adding ascorbic acid to the ACD-whole blood solution?
• Which statement about the modified in vivo method of labeling red blood cells with 99mTc pertechnetate is true?
• What is a normal response when furosemide is administered during a renal function study?
• A common antecubital vein used for intravenous administration of a radiopharmaceutical is the?
• In the labeling of red blood cells with 99mTc, how long before administration should stannous pyrophosphate be injected?
• Which of the following is a characteristic of 99mTc lidofenin?
• What injection site is best for radiopharmaceutical administration in breast scintimammography?
• What is the average recommended number of MAA particles to be administered?
• What is the purpose of wrapping the legs with elastic bandages before performing a radionuclide venogram with 99mTc MAA?
• The purpose of plotting blood sample counts against time in a plasma volume study is to:
• When administering an intravenous injection, the needle should be inserted into the vein at what angle?
• Where does a normal biodistribution of 111In labeled leukocytes show the greatest uptake 24 hours after injection?
• Sodium phosphate P32 may be used to treat which condition?
• Which imaging technique is most likely to require high temporal resolution?
• Which of the following radionuclides is used for performing venography?
• What is the total volume activity of 8 mL of 99mTc eluate with a concentration of 2.0 MBq/mL?
• What is the correct order of components to be added when labeling red blood cells with radiochromium?
• What can excessive oxidation in radiopharmaceutical preparations result in?
• Which of the following structures normally does not appear as areas of increased activity on the bone images of adults?
• At what dose can a patient be released after receiving a therapeutic radiopharmaceutical without exposing others?
• After total thyroidectomy, total body imaging with radio iodine will typically demonstrate tracer concentration in which areas?
• According to the NRC, how often must survey meters be calibrated?
• Which medication might be indicated to manage acute kidney function during imaging procedures?
• In what situation would urine from a renal test be permissible for disposal in the sewage system?
• How can a patient's plasmacrit be determined?
• Filtered 99mTc sulfur colloid is essential for which examination?
• Which coronary artery primarily provides perfusion to the ventricular septum of the heart?
• What is the preferred injection and blood sampling site when performing a plasma volume?
• Which procedure is used to maintain quality control in radiation therapy equipment?
• What is NOT a component of patient preparation for I-131 therapy for thyroid cancer?
• Which radiopharmaceutical impurity must be assessed after elution from a 99Mo/99mTc generator?
• What is the maximum amount of 99mTc oxidronate (in mCi) that can be prepared from one kit?
• What is the equivalent of 127 mCi in GBq?
• When performing a radioiodine thyroid uptake with an uptake probe, the most appropriate collimator to use is a:
• During a red cell sequestration study, counts are obtained from which organ?
• Supersaturated potassium iodide solution is administered for therapy with which radiopharmaceutical?
• According to the NRC, what is the recommended action after a radioactive spill is detected?
• Which tracer is commonly used in the process of labeling red blood cells?
• Which of the following is an anti-thyroid drug that should be discontinued prior to a thyroid uptake test?
• Which statement about oxygen administration is false?
• In which location is radioxenon permitted to be administered?
• If radioactivity in circulation from a prior nuclear medicine test is unaccounted for, how will it affect plasma volume determination?
• For a successful 99mTc radiolabeling, how much radiochemical purity is required according to industry standards?
• According to the NRC, which radionuclide impurity concentration must be determined after the first elution of a 99Mo/99mTc generator?
• Which radioactive source is most commonly used for calibrating PET systems?
• In which setting is MAA particles typically used?
• Which medication is known to interfere with in vivo 99mTc labeling of red blood cells?
• How long must records of surveys be retained according to the NRC?
• Which imaging modality uses 99mTc (sestamibi) for visualization?
• What monitoring technique should be used to rule out internal contamination after handling a radioiodine solution?
• Which material is prohibited from disposal in the sewage system according to NRC regulations?
• In labeling red blood cells with Cr51, what is the final step before re-injecting the labeled red blood cells into the patient?
• If a 99mTc spill occurs and some material remains, how long will it take for the exposure rate to decline from 32 mR/hr to 2 mR/hr?
• In which of the following sites does 111 pentetreotide typically NOT localize?
• Which organ is primarily affected in hepatobiliary imaging studies?
• Which of the following agents is commonly used in stress testing to evaluate heart function?
• Which image finding is most consistent with chromatography results of a 99mTc oxidronate sample demonstrating 65% radiochemical purity?
• Which of the following radiopharmaceuticals is NOT appropriate for a left to right cardiac shunt examination using the first pass method?
• Which of the following functional images represents the magnitude of ventricular contraction?
• In the radiochromium labeling process, what is ascorbic acid used as?
• What's the impact of not properly maintaining the nitrogen or argon environment in radiopharmaceutical kits?
• How long must decontamination continue during cleanup of a radioactive spill?
• Why is static bone imaging performed several hours after tracer administration?
• If plasma volume is determined to be 15 L, what is the likely reason?
• If 99mTc exametazime is prepared at 0900, by what time should it be used?
• What happens if there are contaminants in a 99mTc preparation?
• Which medication may be used to alleviate allergic reactions to contrast media?
• When is SPECT liver imaging with 99mTc sulfur colloid typically performed?
• What imaging modality would be used to assess gastrointestinal bleeding?
• Which impact does 99mTc pertechnetate have on thyroid scan results?
• Which imaging modality is often used to evaluate cardiac perfusion?
• What is the maximum percentage difference acceptable for most regulatory agencies for dose calibrator QC checks?
• What is included in the patient preparation for instilling colloidal P32 chromic phosphate into the peritoneal cavity?
• Which condition is most likely to interfere with performing a left ventricular ejection fraction using the gated equilibrium technique?
• What should be the recommended frequency of calibration checks on dose calibrators in nuclear medicine?
• The concentration of 133Xe gas in the lungs is increasing in which phase of a xenon ventilation study?
• Which of the following is not a factor that affects generator yields?
• Which of the following characteristics indicates a normal sinus rhythm?
• Which site is the best choice for injection of the radiopharmaceutical in a patient with left breast symptoms scheduled for scintimammography?
• What is one of the technologist's responsibilities during tracer administration for a cisternogram?
• After administering 99mTc sulfur colloid for gastrointestinal bleeding, how long is the best time to visualize the bleeding?
• When does imaging begin after the administration of 99mTc pertechnetate for Meckel's diverticulum localization?
• What could happen if a 99mTc sulfur colloid preparation is boiled for too long?
• When counting Cr51 red blood cell samples in a scintillation well counter, the window should be set around which photopeak?
• Under NRC regulations, what is required for a technologist to use a diagnostic dosage exceeding 20% of the prescribed dosage?
• What is the best technique for evaluating the quality of a bolus injection?
• What type of radiation detection device provides immediate numerical readout of radiation levels?
• Which of the following is true regarding the administration of 99mTc-labeled compounds?
• What does the term "temporal resolution" refer to in nuclear medicine imaging?
• Which of the following factors does NOT affect the interpretation of bone scans?
• How can image noise be decreased during dedicated PET imaging?
• Which substance must be discontinued for at least 24-36 hours before administering dipyridamole?
• Which radiopharmaceutical is used to localize a Meckel's diverticulum?
• When performing a left ventricular function examination, which angle should be adjusted to visually separate the ventricles?
• What is the method of administrating the "cold" pyrophosphate in red blood cell labeling?
• Which condition is typically associated with excessive hemolysis?
• What is the typical purpose of using a radiopharmaceutical such as 99mTc DTPA?
• Static renal parenchyma imaging would be best performed with which of the following radiopharmaceuticals?
• To determine the patency of a LeVeen shunt, where is the radiopharmaceutical administered?
• Which statement about the effect of the filter cut-off frequency is true?
• What is the most appropriate action if a patient feels faint after completing an imaging procedure?
• What is the percentage gallbladder ejection fraction given maximum gallbladder counts of 185,632 and minimum gallbladder counts of 77,203?
• According to the NRC, what is the maximum allowable 99Mo concentration in 99mTc eluate at the time of administration to the patient?
• In infants, where are 24-hour images performed to demonstrate gastroesophageal reflux?
• Given a heart rate of 85 bpm, if a 24-frame gated heart study is acquired, the length of each frame in milliseconds is:
• Increased levels of Al3+ in 99Tc eluate may cause the tracer to concentrate in which organ?
• What is the primary use of I-131 in medical practice?
• What substance should be injected into the tubing of an infusion set to maintain its patency during a radio chromium red cell mass determination?
• What type of radionuclide is used to evaluate renal function?
• A gated equilibrium ventricular function study can be performed with which of the following 99mTc labeled tracers?
• What is the function of 99mTc sulfur colloid in nuclear medicine?
• Which structure indicates the beginning of the venous phase of a cerebral blood flow study?
• Which of the following statements is true regarding radiation exposure for workers?
• Which type of imaging is typically used to assess liver function in a hepatobiliary study?
• What is the average CT number for the lungs in Hounsfield units (HU)?
• When using the camera method for a GFR, kidney counts should be compared to which of the following?
• What is the purpose of the transport index?
• How often must the accuracy of a dose calibrator be determined according to the standards of practice?
• What is the primary purpose of waiting 24 hours after injection of labeled cells during a red blood cell survival study?
• A daily uniformity flood for a scintillation camera should contain a minimum of how many counts?
• What affects the sensitivity of a detection system?
• Which of the following is classified as a high pass filter?
• An uptake probe would be used for which of the following studies?
• Which pair of radiopharmaceuticals is commonly used for lung perfusion and ventilation imaging?
• An alpha particle is similar to which of the following?
• What is an important patient preparation step for Meckel's diverticulum localization?
• Sr89 chloride is primarily used to treat which condition?
• In which study would it be appropriate to apply temporal smoothing?
• Which method is used to determine the concentration of 99Mo in a 99mTc eluate?
• What region of interest is used for detecting a left to right cardiac shunt?
• Using the formula for plasma volume determination, what is the calculated plasma volume in milliliters if the net standard count is 839,621 cpm, the standard dilution factor is 15, and the net plasma counts are 2,528 cpm/mL?
• What is the main use of 99mTc medronate in nuclear medicine?
• Which of the following is not recommended during HMPAO/ECD administration?
• What is a contraindication for performing a myocardial perfusion resting study?
• How often should dose calibrator linearity testing be performed according to standard practice?
• What is the purpose of using acetazolamide when administering a brain agent?
• Which statement about the shielding method of performing a dose calibrator linearity test is true?
• Colloidal P32 chromic phosphate is administered by which route?
• Which technique is used to eliminate the star effect created during tomographic reconstruction?
• According to NRC regulations, what is the annual whole body occupational dose limit (TEDE) for adults?
• Which of the following is/are not indicators of renal function?
• Which radiopharmaceutical would be most suitable for brain imaging to evaluate for a potential tumor?
• Which administration technique is recommended for 99mTc bicisate?
• In a red cell volume determination, why is ascorbic acid added to the labeled red cells?
• A wet column generator is equipped with all of the following parts except?
• Which tracer is primarily excreted via the hepatobiliary system?
• Which radiopharmaceutical should be prepared for a renal function study to determine the glomerular filtration rate?
• Which method is typically used for the assessment of splenic sequestration?
• Why are two administrations of tracer required in stress-rest myocardial imaging with 99mTc sestamibi?
• According to the NRC, decay in storage records must include the date that the radioactive material was?
• Which area does not need to remain sterile when assembling a needle and syringe for intravenous administration?
• Which of the following characteristics is essential for maintaining the stability of radiopharmaceuticals?
• If the exposure rate at the surface of a package containing radioactive materials exceeds which value, the NRC must be notified?
• The total blood volume can be calculated by dividing plasma volume by which factor?
• Images acquired during a gastric emptying study are primarily used for what purpose?
• What is the primary role of dipyridamole in stress testing?
• Which of the following is NOT a sign of anaphylactic shock?
• In preparation for F18 fluorodeoxyglucose (FDG) imaging, patients are required to fast to:
• A drug's pharmacokinetic profile relies significantly on what aspect?
• What is the standard maximum acceptable percentage for energy resolution measured with 137Cs for a NaI(Tl) scintillation detector?
• What is the concentration of the aluminum solution used in the test kit for measuring aluminum ion in 99mTc eluate?
• When is coincidence loss most likely to occur when using a well counter?
• What is the initial positioning for visualizing gastrointestinal bleeding with labeled red blood cells?
• All of the following units express radiopharmaceutical specific activity except?
• What is the primary purpose of using a correction factor in dose calibrators?
• If the tracer concentration of a 1:2,000 dilution is 0.05 uCi/mL, what is the tracer concentration of the original solution?
• One advantage of the in vivo method of 99mTc red cell tagging is that?
• A package containing radioactive materials produces 12 mR/hr at the surface. What DOT label must be affixed to the outside of the package?
• Which of the following statements about the wash-in/wash-out method for performing xenon ventilation studies is true?
• For how long should a dose calibrator linearity test be carried out if it begins with 50 mCi of 99mTc pertechnetate?
• Which parameter is commonly assessed in clinical studies of cardiovascular health?
• Which of the following is NOT a part of patient preparation for infection imaging with tagged white blood cells?
• Pulse rates may be determined by all of the following methods except:
• What is generally an acceptable range of count rate deviation in a dose calibrator?
• What is a common method for measuring the accuracy of a dose calibrator?
• Diaphragmatic attenuation may be reduced by:
• Which tracer can be used to assess the patency of ventriculoperitoneal shunts?
• A biohazard warning label would not be found on which of the following?
• If a 20% window is set around a centerline of 364 keV, what range of energies will the pulse height analyzer accept?
• How soon must the NRC be notified after a medical event occurs?
• Which radiopharmaceutical is used to label white blood cells with 99mTc?
• Which of the following is a primary safety measure when handling radioactive materials?
• Functional cardiac studies may evaluate wall motion abnormalities caused by all of the following except?
• Which radiopharmaceutical can cross the intact blood-brain barrier?
• What effect does too large a particle size have on a 99mTc sulfur colloid preparation?
• If the tracer for an ERPF determination using the blood sampling method is administered at 0900, at what time should the blood sample be collected?
• What is a potential consequence of using inadequate amounts of 99Mo in generator systems?
• Which of the following materials is recommended for shielding syringes containing positron-emitting radionuclides?
• What is the calculated pixel size when the distance between two capillary sources is 15cm and there are 45 pixels between the two activity peaks?
• Which tracer is common for imaging gastroesophageal reflux in both adults and children?
• What improper technique could lead to failure in obtaining an eluate from a generator?
• When imaging to determine LeVeen shunt patency, where should the camera be positioned initially?
• Which of the following is NOT an advantage of the first pass method for performing cardiac function imaging?
• The size of a 99Mo/99Tc generator is expressed as the total activity of:
• Which type of imaging study would use 25-50 mg of captopril prior to scanning?
• Radionuclide cystography is performed by the direct method using which radiopharmaceutical?
• What is the benefit of using positron emission tomography (PET) scans?
• How many microcuries are equivalent to 250 kilobecquerels?
• When changing the collimator from low energy all purpose to high resolution, how does acquisition time change if the same number of counts is acquired?
• Which of the following areas is the recommended injection site for a cardiac first pass study?
• If the results of a dose calibrator geometric variation test exceed the values by 12-15%, what should the technologist do?
• According to the USP, the maximum allowable aluminum concentration in 99mTc eluate is not to exceed?
• Which imaging modality is primarily used for detecting vesicoureteral reflux in pediatric patients?
• Which of the following radiopharmaceuticals is not prepared with reduced 99mTc pertechnetate?
• Which of the following complications is associated with the administration of radiopharmaceuticals?
• Which organ is typically not visualized on a Ga 67 scan acquired 72 hours after tracer administration?
• If visualized, the gallbladder fossa may be seen on what view(s) of a liver spleen image?
• What is the primary purpose of performing radionuclide cystography?
• A nebulizer is used to administer which of the following lung ventilation radiopharmaceuticals?
• 10 millisieverts is equivalent to how many millirems?
• In the case of insulinoma, which radiopharmaceutical may cause hypoglycemia?
• When red blood cells are labeled with 99mTc using the in vivo method, how are the reagents injected into the patient?
• Which of the following sources is the most appropriate for assessing dose calibrator constancy?
• Which of the following instruments should be used to determine whether all removable contamination has been eliminated?
• What is the significance of the half-life of a radionuclide in clinical practice?
• The red cell survival test is most often performed on patients with suspected which condition?
• Which should not be administered with In-111 Pentetreotide?
• The x- and y- axes of a circumferential profile curve are, respectively:
• What is the likely cause of bone marrow uptake on a 99mTc sulfur colloid liver/spleen image?
• What is the required time for written reporting of a medical event to the NRC?
• What does the term 'plasmacrit' refer to in a medical context?
• In nuclear medicine imaging, which is the primary purpose of using a collimator?
• Concentric ring artifacts in a reconstructed SPECT image may be caused by:
• When should the aluminum ion breakthrough test be performed on 99mTc eluate?
• According to NRC regulations, what sign should be posted if radiation levels are measured at 7.5 mR/hr?
• How frequently should the center of rotation offset correction be performed on SPECT cameras?
• Geometric mean is sometimes used in quantization because it corrects for:
• A cardiac shunt would be best demonstrated with which nuclear medicine technique?
• What sign is required to be posted in imaging rooms according to the NRC?
• For functional renal imaging, what is an essential patient preparation step?
• What is the recommended amount of captopril to be given orally an hour before renal imaging in a hypertension study?
• During a normal cisternographic study, radioactivity is not visualized in which of the following areas?
• How long must personnel radiation exposure records be maintained according to NRC regulations?
• What is a key requirement for patient preparation before infection imaging with tagged white blood cells?
• In a 99mTc medronate preparation, which component is considered a radiochemical impurity?
• If a 99mTc medronate bone image and 111In tagged white blood cell image are acquired simultaneously with a 128 x 128 word mode matrix, how much computer memory is required to store the image?
• What is the impact of collimator design on a gamma camera sensitivity?
• What is one benefit of using ascorbic acid during the labeling process of red blood cells?
• Which radiopharmaceutical is typically not used in lung ventilation imaging?
• Which of the following factors can affect the radionuclidic purity of a radiopharmaceutical?
• Significantly increased serum bilirubin levels are likely to visualize which organ on hepatobiliary images?
• If a 99Mo/99mTc generator is eluted at 0700 and again at 1300, what can be said about the next day's 99mTc yield at 0700?
• In nuclear medicine, what does the term 'localization' typically refer to?
• What is the standard purpose of a daily uniformity flood in a scintillation camera?
• Which radioisotope is commonly used for labeling antibodies in nuclear medicine?
• If 99mTc equate needs to be diluted to prepare other 99mTc-labeled products, what is the correct diluent?
• What is a primary concern when using a modified in vivo method?
• If 99mTc radioactivity in the circulation from a previous nuclear medicine test occurs in a renal scan, what will happen to the ERPF?
• When must personnel wear radiation monitoring devices during work hours?
• What determines the choice of radionuclide for dose calibration in nuclear medicine?
• If no eluate is obtained during generator elution, what should the technologist do next?
• Temporal resolution is related to which of the following acquisition parameters?
• How many minutes after administration of 99mTc mertiatide should the maximum amount of tracer be concentrated in a normal kidney?
• Which method can help mitigate the risk of allergic reactions during imaging procedures?
• An uptake probe is what type of detector?
• If an area survey reveals an ambient radiation level of 7 mRem/hr, what sign would be most appropriate to display on the door?
• Which structure is normally visualized on an image performed with 18F fluorodeoxyglucose?
• What may patient prep for 67Ga citrate imaging include?
• A 256 x 256 matrix requires how much more computer memory than a 64 x 64 matrix?
• Which of the following is NOT included in patient preparation for Sr-89 chloride therapy?
• Which of the following is part of the standard technique for preparing a patient for a myocardial imaging study?
• What must be done with packages containing radioactive materials once received?
• When performing a linearity test on a dose calibrator, what does a discrepancy between expected and actual reading indicate?
• Adenosine is contraindicated for patients with which condition?
• With a heart rate of 95 beats/min, what is the average length of an R-R interval?
• A Schilling test may be ordered for a patient suspected of which condition?
• The total blood volume may be calculated by dividing the measured red cell volume by the?
• What should a technologist do if they visually inspect a unit dose of P32 chromic phosphate and note it is a blue green color?
• How often should high count uniformity correction flood maps be acquired?
• Which type of personnel monitor is appropriate for use when monitors are changed at 3-month intervals?
• When measuring the radiation level from a radioiodine therapy patient in isolation, how often should measurements be taken?
• According to NRC regulations, what is the annual occupational dose limit for any organ or tissue other than the eye?
• Pentagastrin is commonly used in which of the following scans?
• What are the dimensions of each pixel if an image is acquired into a 128 x 128 matrix on a scintillation camera with a 350mm diameter field of view?
• What radiopharmaceutical is used to measure the glomerular filtration rate (GFR)?
• What is the best choice of radionuclide settings for a constancy test on a dose calibrator in a general nuclear medicine imaging department?
• When should static renal imaging be performed after administering 99mTc succimer?
• In quantifying scintillation camera detector uniformity, the central field of view (CFOV) is defined as UFOV times what factor?
• Delayed improvement of perfusion after coronary artery revascularization is referred to as?
• What type of medical procedure is a dose calibrator used for in nuclear medicine?
• A parathyroid adenoma will concentrate which of the following radiopharmaceuticals?
• For which clinical indication would limited bone imaging ("spot" views) be most appropriate?
• Radiochemical impurities can notably impact which of the following?
• For which procedure is 99mTc sestamibi predominantly used?
• Photomultiplier tube drift is associated with which type of stabilization?
• According to the USP, what is the minimum radiochemical purity percentage for most 99mTc-labeled radiopharmaceuticals to be administered to patients?
• Which of the following patients should receive fewer particles than typically administered for lung perfusion imaging?
• In a gated equilibrium ventricular function study, when positioning a patient for an LAO view, which two structures are separated by tilting the camera detector toward the patient's feet?
• What effect does furosemide have on the peak transit time during renal imaging?
• Which method helps stabilize the performance of radiation detection systems?
• What is a primary source of radiation exposure to a technologist during PET imaging?
• When performing radionuclide venography with 99mTc MAA, at which site is the radiopharmaceutical administered?
• During geometric variation testing of a dose calibrator, if the activity in a 1 mL syringe measures 253 uCi and the expected reading is 212 uCi, which correction factor should be applied?
• What areas of the body are routinely imaged with In 111 pentetreotide?
• Which of the following radiopharmaceuticals is typically administered intravenously?
• Reconstituted "cold" pyrophosphate is administered in which red blood cell labeling methods?
• A written directive for the administration of 15 mCi of 131 I sodium iodide must include which of the following?
• Why is it safe to block a portion of the pulmonary circulation with MAA particles in patients with suspected pulmonary emboli?