ARRT Nuclear Medicine Practice Test

These questions are part of the practice quiz. Start practicing

• When counting Cr-51 red blood cell samples in a scintillation well counter, what should the photopeak window be set at?
• Why is it important to maximize tumor uptake in FDG-18 imaging?
• Which instrument is used to detect if all removable contamination has been removed?
• What is an acceptable flow rate on a drip infusion?
• The difference in hematocrit values between the average whole-body hematocrit and the venous hematocrit is due to:
• In the case of insulinoma, which radiopharmaceutical may cause hypoglycemia?
• What is the purpose of using acetazolamide in conjunction with a brain agent?
• Which of the following is NOT a recommended patient preparation step for Sr-89 Chloride therapy?
• Which tracer is primarily excreted via the hepatobiliary system?
• What is the purpose of using a radiopharmaceutical in the evaluation of Meckel's diverticulum?
• Which imaging study utilizes sulfur colloid to visualize the gastrointestinal tract?
• In nuclear medicine, what does the term 'elution' refer to?
• What condition is 89Sr-chloride primarily used to treat?
• What is the energy emitted by Fluorine-18 (F-18)?
• Which material is the best choice for shielding P-32?
• How is spatial resolution assessed in nuclear medicine cameras?
• If a new generator is eluted several times and the amount of Al in the eluate exceeds the USP limit, what should the technologist do?
• Which radiopharmaceutical is used to label white blood cells with Technetium-99m?
• In a left-to-right cardiac shunt study, the regions of interest are drawn around which structures?
• During an effective ERPF determination, what must be imaged to ensure accurate results?
• If a PLES transmission phantom is used, how many images must be acquired to assess linearity over the entire field of view of a scintillation camera?
• After a Mo-99/Tc-99m generator is eluted, approximately how many hours does it take for the Tc-99m activity to reach a maximum level?
• In the radiochromium labeling process, what role does ascorbic acid serve?
• Which of the following is identified as a daily QC test for a CT scanner?
• What type of conditions can indicate the need for a LeVeen shunt imaging?
• Which radiopharmaceutical is commonly used for thyroid imaging when evaluating thyroid structure and function?
• What is the primary function of soda lime in a xenon administration unit?
• A gated equilibrium ventricular function study can be performed with which 99mTc-labeled tracers?
• How long is the shelf-life of Iodine-123 (I-123)?
• In positron emission tomography (PET), which of the following is typically used to detect metabolic activity?
• What does the Geiger-Muller (GM) counter primarily measure?
• How long after the administration of Tc-Pertechnetate does imaging begin for the localization of Meckel's Diverticulum?
• What does ITLC stand for in nuclear medicine?
• What instructions should be given to patients after the administration of F-18 FDG for PET scans?
• In scintigraphy, which tracer is primarily used for thyroid imaging?
• Which procedure is performed before the administration of Y-90 therapy?
• What type of collimator is recommended for thyroid uptake imaging?
• How soon can SPECT brain imaging begin after the administration of 99mTc-exametazime?
• Why is it considered safe to block a portion of the pulmonary circulation with MAA particles in patients with suspected pulmonary embolism (PE)?
• Increased levels of Al3+ in Tc-99m eluate may cause concentration of the tracer in which organ?
• Which Tc99m labeled radiopharmaceutical does not require heating during preparation?
• Which radiopharmaceutical is typically used for bone imaging?
• What is the best technique for evaluating the quality of a bolus injection?
• What is one of the preliminary steps for preparing patients for P-32 therapy?
• Which method is commonly used for measuring the glomerular filtration rate (GFR) in nuclear medicine?
• For a daily uniformity flood for a scintillation camera, what is the minimum count required?
• Which term describes the presence of metals in a patient during a CT study?
• How is a myocardial perfusion scan typically affected by recent administration of nitroglycerin?
• Which organ does Tc99m pertechnetate localize in for detecting Meckel's diverticulum?
• A wet column generator is equipped with all the following parts EXCEPT:
• What is the primary use of Pertechnetate?
• Which of the following conditions could lead to increased accumulation of radiopharmaceuticals in the area of interest?
• During an RBC study, why is the first blood sample taken 24 hours after injection?
• Supersaturated potassium iodine solution may be administered with which radiopharmaceutical?
• Normal sinus rhythm is characterized by which of the following?
• How often is uniformity testing required on a scintillation camera?
• Bone marrow uptake on a Tc-SC liver/spleen image may indicate which condition?
• What is an important technique to consider during the administration of Tc99-Bicisate?
• What energy does Iodine-123 (I-123) have?
• What is the maximum allowable limit of Al 3+ in Tc-99m elute set by?
• What is the annual dose limit for the lens of the eye for an occupational worker?
• What type of collimator is recommended for organ counting in a red cell sequestration study?
• What is a key advantage of Tl201 thallium chloride?
• What is a primary reason for image noise in nuclear medicine imaging?
• According to best practices, what is a contraindication for performing a PET study using FDG?
• According to USP guidelines, what is true about the particle size of MAA?
• During a normal cisternogram, radioactivity is visualized in which areas?
• Which radionuclide is primarily used in the treatment of thyroid cancer?
• Which scans are commonly performed using a converging collimator?
• Adenosine is commonly contraindicated in patients suffering from which condition?
• In most imaging studies, "cold" spots typically indicate the presence of what type of tissue?
• Cisternography is primarily used to evaluate which of the following?
• A patient with diabetes who becomes hypoglycemic may exhibit all of the following signs except:
• Photomultiplier tube drift is associated with which stabilization technique?
• Which of the following is a key quality assessed during a normal cisternogram?
• What is the correct order of components when labeling RBCs with radiochromium?
• What is the correct diluent for preparing other Tc-99m labeled products?
• Boiling a Tc-99m sulfur colloid preparation for too long will result in colloidal particles that are:
• What is the final step in labeling RBC with Cr51 before re-injecting?
• How does a pinhole collimator contribute to nuclear medicine?
• Correction tables in nuclear imaging are utilized primarily for what purpose?
• In a cardiac imaging study, which agent is typically used for myocardial perfusion imaging at rest?
• Which type of collimator provides the best resolution for detecting small structures?
• What is the principle behind bone scintigraphy?
• What radiopharmaceutical is used for evaluating conditions such as cancer, nodules, and thyroid dysfunction?
• What is a characteristic of the R wave in normal sinus rhythm?
• During a Radionuclide cystography procedure, what is the primary imaging method used?
• Where should the initial positioning be for visualizing a GI bleed with labeled red blood cells?
• What is the primary use of the well counter in nuclear medicine?
• In dual-radionuclide myocardial perfusion imaging, which tracer is typically used during stress?
• Which of the following statements about an image acquired with zoom is true?
• What describes a Star Artifact in nuclear imaging?
• What condition should Ga-67 images be performed for early detection after injection?
• The size of a Mo-99/Tc-99 generator is determined by the total activity of:
• The purpose of the transport index is to:
• Which radiopharmaceutical is known to be light sensitive?
• In red cell volume determination, why is ascorbic acid added to labeled RBC?
• When is coincidence loss likely to occur when using a well counter?
• The total blood volume may be calculated by dividing the plasma volume measured with labeled albumin by the:
• Approximately how long after administration of 99mTc-succimer is static renal imaging performed?
• What is the purpose of performing a first-pass radionuclide angiography?
• What tracer is preferred for first-pass cardiac function exams during stress and rest testing?
• Which of the following is a common reducing agent used in labeling processes?
• What is the role of collimators in SPECT/PET gamma cameras?
• If ectopic thyroid tissue is suspected, where is it most commonly found?
• What is the dose limit for whole body exposure recommended for the general public?
• According to the NRC, when can radioactive waste be delayed in storage?
• What is the primary concern regarding the storage of radioactive materials?
• An uptake probe is classified as what type of detector?
• Temporal resolution is related to which of the following acquisition parameters?
• What dietary restriction is recommended for patients before receiving I-131 therapy?
• Which of the following tracers may be used to confirm brain death?
• During a sensitivity test, what is primarily measured?
• Y-90 is used primarily for the treatment of which type of cancer?
• What is the shelf-life of Gallium-67 (Ga-67)?
• What is typically monitored for quality assurance in a SPECT system?
• Which ingredients in a sulfur colloid kit are combined and heated?
• What does extrinsic QC refer to when performed on a camera?
• In preparation for a Tl-201 stress test, why are patients instructed to fast?
• What is the best preferred injection and blood sample site for a plasma volume measurement?
• The appearance of which structure indicates the beginning of the venous phase in a cerebral blood flow study?
• In a normal kidney, when should the maximum concentration of tracer occur after administering Tc-99m mertiatide?
• When preparing Tc99m exametazime for labeling white blood cells, which reagent is omitted?
• Signs of a patient going into anaphylactic shock include:
• Why is furosemide administered during renal imaging?
• What is the shelf-life of Indium-111 (In-111)?
• When should geometric variation on a dose calibrator be performed?
• A biohazard warning label must be attached to all of the following EXCEPT:
• Colloidal P-32 Chromic Phosphate is administered via which route?
• Which radiation safety measure is recommended for performing Sr-89 therapy on incontinent patients?
• What is the ideal time frame for performing a post-administration scan in bone imaging?
• When should imaging begin during a gastric-emptying study?
• What energy level is associated with Gallium-68 (Ga-68)?
• To determine the patency of a LeVeen shunt, the radiopharmaceutical is administered into:
• What radiopharmaceutical is known to effectively cross the intact blood-brain barrier?
• What radiopharmaceutical does a parathyroid adenoma concentrate?
• Which radiopharmaceuticals may be used for a left-to-right cardiac shunt exam?
• What does a linearity test evaluate in a gamma camera?
• Which indicates the amount of radioactive substance in a sample or source?
• What material is best for shielding Sr-89 during handling?
• What is a typical use for F-18 besides imaging the brain?
• A written directive for the administration of 15 mCi of I-131 must include which of the following?
• The center of rotation (COR) offset correction should be performed how often on SPECT cameras?
• Indium-111 (In-111) emits which of the following energy levels?
• Which technique is employed to mitigate the "star" effect during tomographic reconstruction?
• What is a definition of sensitivity of a diagnostic test?
• What is the normal PR interval range in a healthy individual?
• What type of cell destruction is observed in patients with abnormal RBC sequestration?
• Which test would be used to determine if a gamma camera has hot or cold spots?
• Which of the following energy levels is associated with Gallium-67 (Ga-67)?
• Radionuclide cystography using the direct method requires which procedure?
• Patient preparation for Sr-89 Chloride therapy includes which of the following?
• Which tracer can be used to assess the patency of ventriculoperitoneal shunts?
• What is the annual dose limit for a pregnant radiation worker?
• What does the sensitivity test measure in a gamma camera?
• What is the main purpose of a uniformity test in nuclear medicine?
• What is the primary function of bisphosphonates in nuclear medicine?
• Why are the legs wrapped with elastic bandages before performing a venogram with Tc99-MAA?
• On a brain image performed with Exametazime, which area is visualized as a high concentration?
• How frequently should a high-count uniformity flood be acquired?
• What is the fasting requirement for patients before FDG-18 imaging?
• When imaging for LeVeen shunt patency, where are the delayed images taken?
• What is the purpose of isotopes in nuclear medicine?
• What does the term "redistributes" refer to in the context of Tl201 thallium chloride?
• Which pharmaceutical used for stress testing remains in the plasma the longest?
• What is the primary purpose of a Cr-51 red cell sequestration study?
• What is the typical range in particle size for MAA particles?
• What is a key component of patient prep for using Sodium Phosphate (P32)?
• What is one advantage of the in vivo method of RBC tagging?
• According to the FDA, written consent must be obtained to administer which drug?
• What energy level does Technetium-99m (Tc-99m) emit?
• It would be appropriate to apply temporal smoothing in which studies?
• Which substance is a major source of contamination during I-131 therapy?
• Thyroid imaging may be performed with which type of collimators?
• What impact do artifacts in imaging primarily have on medical interpretations?
• What patient condition could interfere with accurate PET scan results using FDG?
• Which antibody class is predominant in human serum?
• What is the effect of changing the order of a Butterworth filter from 3 to 5?
• Which equipment is needed to verify the size and number of MAA particles?
• Which complication must be ruled out when performing cisternography?
• When must written instructions be provided to a patient who has received radionuclide therapy?
• What is the primary function of Tc99-pertechnetate in diagnostic imaging?
• Which of the following is NOT typically evaluated during a bolus injection procedure?
• Which tomographic plane of the heart displays all walls of the left ventricle?
• In nuclear medicine, what is often used as a radiotracer for thyroid imaging?
• How many beats per minute is considered within the normal range for sinus rhythm?
• Which reagent is essential in the preparation of labeled RBC for studies involving in vivo labeling?
• What is the required fasting time before imaging for Meckel's Diverticulum?
• What is the significance of using a transmission source in nuclear medicine imaging?
• Which monitoring device is best to survey a patient who has received 150 mCi for I-131 therapy?
• What condition is most commonly assessed using the red cell survival test?
• What occurs in a paralyzable counting system when a peak count rate is achieved?
• What is the shelf-life of Fluorine-18 (F-18)?
• When should Mo-99 contamination in Tc-99 eluate be measured according to the NRC?
• What is one of the primary concerns when using MAA particles in pulmonary imaging?
• What is the primary function of a Pulse Height Analyzer in nuclear medicine?
• Which preparation step is unnecessary for Sr-89 Chloride therapy?
• What is a common correction applied to improve image uniformity in nuclear medicine?
• What energy does Thallium-201 (Tl-201) emit?
• Which radiopharmaceutical is primarily used for thyroid scans?
• What structure is visualized in a positive Meckel's Diverticulum imaging study?
• During a red cell sequestration study, counts are typically obtained from which of the following organs?
• Cystography is typically performed using which radioactive pharmaceutical?
• What is the shelf-life of Technetium-99m (Tc-99m)?
• Which statement about Pentetreotide is true?
• Sodium Phosphate (P32) is primarily used to treat which condition?
• What is the primary purpose of acquiring the first image in cisternography over the lower thoracic/lumbar spine?
• What is the main purpose of Tc99m-Pertechenate in medical imaging?
• Static bone imaging is performed several hours after tracer administration to permit:
• What does a higher sensitivity in imaging typically indicate?
• What happens to plasma volume results if radioactivity in circulation from a previous test is unaccounted for?
• Which symptoms might a patient with diabetes exhibit if they become hypoglycemic?
• What is the shelf-life of Gallium-68 (Ga-68)?
• What is the primary function of the Cutie Pie (Ionization Chamber)?
• What is a common instruction given to patients in preparation for a stress test?
• According to the standard of practice, what should a technologist do if a dose calibrator reading exceeds the expected values by 12-15%?
• Which study specifically requires radiolabeled RBCs?
• Which of the following radiopharmaceuticals is commonly used for cardiac imaging?
• Which of the following radiopharmaceuticals is used to label white blood cells with Tc-99m?
• In patients with pulmonary embolism, what is observed in perfusion and ventilation studies?
• In what condition would a geiger-muller counter typically be used?
• What characteristic determines the accumulation of a radiopharmaceutical (RP) in specific tissues?
• The Schilling test may have been historically ordered for patients suspected of having which condition?
• Which radiopharmaceutical is used to image deep vein thrombus in the lower extremities?
• What is the recommended injection site for a cardiac first-pass study?
• Which radiopharmaceutical is used for bone imaging?
• How often should wipe tests be performed in areas where doses are prepared or administered according to the NRC?
• For Ga-67 Citrate imaging, the administration of which type of drug may be included in the preparation?
• What is the main purpose of a bar phantom in nuclear medicine?
• Which of the following tests is typically performed as part of the prep for Sr-89 Chloride therapy?
• When a high activity of a radionuclide is used for a PET scan, image quality is degraded because of which reason?
• How can a patient's plasmacrit be determined?
• When labeling RBC with Cr-51 Sodium Chromate, what component is added to the ACD solution first?
• Localization of a Meckel's diverticulum is accomplished with which of the following radiopharmaceuticals?
• Which medication has been shown to interfere with in vivo Tc99 labeling of RBC?
• What does ischemia refer to?
• What is the typical imaging timing for a brain death study following tracer administration?
• Radiochemical impurities can affect which aspect of imaging?
• Which medical history component is relevant to an In-111 Capromab Pendetide Scan?
• How frequently should dose calibrator linearity testing be conducted?
• A LeVeen shunt study is performed using which radiopharmaceutical?
• Filtered sulfur colloid is necessary for which imaging examination?
• What is the annual radiation exposure limit for a member of the general public?
• What technique is best for demonstrating a cardiac shunt?
• Which matrix size and acquisition method is best suited for a blood flow study of the feet?
• What is the expected result in a successful Meckel's diverticulum scan?
• What is the role of ascorbic acid when labeling red blood cells with Cr51?
• Which agents are used to perform a gallbladder ejection fraction?
• Which structure is typically visualized on an image performed with F-18?
• Which term refers to the ratio of true positives to the total number of actual positives in a test?
• What is the shelf-life of Thallium-201 (Tl-201)?
• Which organs are visualized during a hepatobiliary study?
• What is the purpose of adding ascorbic acid to ACD solution?
• What does ischemia indicate regarding blood flow?
• What are the major sources of contamination for patients undergoing I-131 therapy?
• Which patient is most likely to receive fewer particles during lung perfusion imaging?
• What is a contraindication for performing a myocardial perfusion resting study?
• After a total thyroidectomy, total-body imaging with radioiodine typically shows tracer concentration in which areas?
• What is a key characteristic of the linearity test?
• When using the camera method for a GFR, what should be compared to the kidney counts?
• How long after sulfur colloid injection will a GI Bleed be visualized?
• A patient can be released after receiving a therapeutic radiopharmaceutical if the exposure dose likely to others does not exceed how many rems?
• If an anticoagulant is added to a blood sample, what is the liquid portion called?
• Before instilling colloidal P-32 Chromic Phosphate into the peritoneal cavity, what preparation must be done?
• What effect does fasting have on Tl-201 uptake in the GI tract?
• Where is the x-ray generator located in a CT scanner?
• Which radiopharmaceutical is not prepared with reduced Tc-99?
• An uptake probe would be used for which of the following studies?
• In a normal hepatobiliary study, tracer excretion into the intestine should occur within a maximum time frame of?