2. The “hot spot” in nuclear medicine imaging indicates: a) Increased radiotracer uptake b) Decreased radiotracer uptake c) No radiotracer uptake d) Uniform radiotracer distribution Answer: a) Increased radiotracer uptake
3. In PET imaging, the radiopharmaceutical most commonly used for detecting cancer is: a) Fluorodeoxyglucose (FDG) b) Technetium-99m c) Iodine-123 d) Thallium-201 Answer: a) Fluorodeoxyglucose (FDG)
4. The radiotracer used for thyroid imaging is: a) Iodine-123 b) Technetium-99m c) Gallium-67 d) Fluorodeoxyglucose Answer: a) Iodine-123
5. The principle behind SPECT imaging is: a) Single-photon emission computed tomography b) Positron emission tomography c) Computed tomography d) Magnetic resonance imaging Answer: a) Single-photon emission computed tomography
6. The main advantage of using Technetium-99m in imaging is: a) Its short half-life b) Its long half-life c) Its high energy emission d) Its high photon absorption Answer: a) Its short half-life
7. The “cold spot” in nuclear medicine imaging signifies: a) Decreased radiotracer uptake b) Increased radiotracer uptake c) No radiotracer uptake d) Uniform radiotracer distribution Answer: a) Decreased radiotracer uptake
8. The radiopharmaceutical used in bone scintigraphy is: a) Technetium-99m MDP b) Iodine-131 c) Fluorodeoxyglucose d) Gallium-67 Answer: a) Technetium-99m MDP
9. In a myocardial stress test, the radiotracer used to evaluate coronary artery disease is: a) Thallium-201 b) Iodine-123 c) Technetium-99m d) Gallium-67 Answer: a) Thallium-201
10. The radiotracer used for lung ventilation studies is: a) Xenon-133 b) Technetium-99m c) Iodine-131 d) Fluorodeoxyglucose Answer: a) Xenon-133
11. The primary use of gallium-67 in imaging is for: a) Detection of infections and tumors b) Thyroid imaging c) Bone scintigraphy d) Cardiac imaging Answer: a) Detection of infections and tumors
12. In nuclear medicine, the term “scintigraphy” refers to: a) The process of creating images with gamma rays b) The process of creating images with X-rays c) The process of creating images with magnetic fields d) The process of creating images with sound waves Answer: a) The process of creating images with gamma rays
13. The main application of Iodine-131 is: a) Thyroid treatment and imaging b) Bone scintigraphy c) Myocardial perfusion imaging d) Lung ventilation studies Answer: a) Thyroid treatment and imaging
14. The “washout” phenomenon in myocardial imaging indicates: a) Loss of radiotracer from the myocardium b) Increased radiotracer uptake in the myocardium c) No change in radiotracer uptake d) Uniform radiotracer distribution Answer: a) Loss of radiotracer from the myocardium
15. The primary application of PET scanning is: a) Oncology b) Cardiovascular imaging c) Bone imaging d) Thyroid imaging Answer: a) Oncology
16. The radiotracer used for renal imaging is: a) Technetium-99m MAG3 b) Iodine-131 c) Gallium-67 d) Fluorodeoxyglucose Answer: a) Technetium-99m MAG3
17. The term “dose calibrator” in nuclear medicine refers to: a) A device used to measure the activity of radiopharmaceuticals b) A device used to measure the dose of X-rays c) A device used to measure magnetic fields d) A device used to measure sound waves Answer: a) A device used to measure the activity of radiopharmaceuticals
18. The “brain death study” uses which radiopharmaceutical? a) Technetium-99m HMPAO b) Iodine-123 c) Fluorodeoxyglucose d) Thallium-201 Answer: a) Technetium-99m HMPAO
19. The “Shunt study” in nuclear medicine is used to evaluate: a) The presence and function of a shunt in the heart or brain b) Thyroid function c) Bone density d) Lung ventilation Answer: a) The presence and function of a shunt in the heart or brain
20. The radiopharmaceutical used in hepatobiliary imaging is: a) Technetium-99m HIDA b) Iodine-123 c) Gallium-67 d) Fluorodeoxyglucose Answer: a) Technetium-99m HIDA
21. The primary use of Iodine-123 is: a) Thyroid imaging and diagnosis b) Bone scintigraphy c) Myocardial perfusion imaging d) Lung ventilation studies Answer: a) Thyroid imaging and diagnosis
22. The “functional imaging” in nuclear medicine refers to: a) Imaging that assesses physiological processes b) Imaging that assesses anatomical structures c) Imaging that uses X-rays d) Imaging that uses magnetic fields Answer: a) Imaging that assesses physiological processes
23. The “six-hour imaging” is commonly associated with which radiopharmaceutical? a) Iodine-131 b) Technetium-99m c) Fluorodeoxyglucose d) Gallium-67 Answer: d) Gallium-67
24. The “in vivo” test of bone metabolism uses which radiotracer? a) Technetium-99m MDP b) Iodine-123 c) Gallium-67 d) Fluorodeoxyglucose Answer: a) Technetium-99m MDP
25. The “liver-spleen scan” uses which radiopharmaceutical? a) Technetium-99m sulfur colloid b) Iodine-131 c) Fluorodeoxyglucose d) Thallium-201 Answer: a) Technetium-99m sulfur colloid
26. The “bone scan” in nuclear medicine primarily detects: a) Metastatic disease and infection b) Thyroid disorders c) Cardiac abnormalities d) Lung conditions Answer: a) Metastatic disease and infection
27. The “static imaging” in nuclear medicine is used to evaluate: a) The distribution of radiotracer at a specific time b) Physiological processes over time c) Bone density d) Lung ventilation Answer: a) The distribution of radiotracer at a specific time
28. The radiopharmaceutical used in parathyroid imaging is: a) Technetium-99m Sestamibi b) Iodine-123 c) Gallium-67 d) Fluorodeoxyglucose Answer: a) Technetium-99m Sestamibi
29. The “rest-stress imaging” is commonly used to assess: a) Myocardial perfusion b) Bone density c) Thyroid function d) Liver function Answer: a) Myocardial perfusion
30. The “cardiac PET scan” uses which radiotracer for assessing myocardial viability? a) Fluorodeoxyglucose (FDG) b) Technetium-99m c) Iodine-123 d) Gallium-67 Answer: a) Fluorodeoxyglucose (FDG)
31. The radiopharmaceutical used for myocardial infarction imaging is: a) Technetium-99m Sestamibi b) Iodine-123 c) Gallium-67 d) Fluorodeoxyglucose Answer: a) Technetium-99m Sestamibi
32. The “gastric emptying study” uses which radiopharmaceutical? a) Technetium-99m sulfur colloid b) Iodine-123 c) Fluorodeoxyglucose d) Gallium-67 Answer: a) Technetium-99m sulfur colloid
33. The “bone marrow scan” is typically used to evaluate: a) Bone marrow disorders b) Thyroid function c) Cardiac function d) Lung conditions Answer: a) Bone marrow disorders
34. The “ventilation-perfusion (V/Q) scan” is used to assess: a) Pulmonary embolism b) Thyroid function c) Bone disorders d) Cardiac abnormalities Answer: a) Pulmonary embolism
35. The “hepatic scan” is primarily used for diagnosing: a) Liver disorders b) Bone disorders c) Cardiac disorders d) Thyroid disorders Answer: a) Liver disorders
36. The “dynamic imaging” in nuclear medicine refers to: a) Imaging that evaluates physiological changes over time b) Imaging at a single point in time c) Imaging using X-rays d) Imaging using magnetic fields Answer: a) Imaging that evaluates physiological changes over time
37. The “splenic scan” in nuclear medicine is performed using: a) Technetium-99m sulfur colloid b) Iodine-123 c) Fluorodeoxyglucose d) Gallium-67 Answer: a) Technetium-99m sulfur colloid
38. The “cholescintigraphy” is used for imaging: a) Gallbladder function b) Bone function c) Thyroid function d) Cardiac function Answer: a) Gallbladder function
39. The “parathyroid scan” often uses which radiopharmaceutical? a) Technetium-99m Sestamibi b) Iodine-131 c) Fluorodeoxyglucose d) Gallium-67 Answer: a) Technetium-99m Sestamibi
40. The “imaging for infection” in nuclear medicine is often done with: a) Gallium-67 b) Iodine-131 c) Technetium-99m d) Fluorodeoxyglucose Answer: a) Gallium-67
41. The “bone density scan” in nuclear medicine is commonly performed with: a) Technetium-99m b) Iodine-123 c) Gallium-67 d) Fluorodeoxyglucose Answer: a) Technetium-99m
42. The “gastric emptying” study helps in diagnosing: a) Gastroparesis b) Bone disorders c) Thyroid disorders d) Cardiac disorders Answer: a) Gastroparesis
43. The radiopharmaceutical used in cerebral perfusion imaging is: a) Technetium-99m HMPAO b) Iodine-123 c) Fluorodeoxyglucose d) Gallium-67 Answer: a) Technetium-99m HMPAO
44. The “lymphoscintigraphy” is used for: a) Evaluating lymphatic flow and drainage b) Bone imaging c) Cardiac imaging d) Lung imaging Answer: a) Evaluating lymphatic flow and drainage
45. The “ventilation-perfusion (V/Q) scan” can help diagnose: a) Pulmonary embolism b) Bone metastasis c) Thyroid cancer d) Liver cirrhosis Answer: a) Pulmonary embolism
46. The “functional MRI” and PET are often used together to: a) Assess both anatomical and physiological changes b) Diagnose bone disorders c) Evaluate thyroid function d) Analyze cardiac rhythms Answer: a) Assess both anatomical and physiological changes
47. The radiopharmaceutical used for adrenal imaging is: a) Iodine-123 b) Technetium-99m MIBG c) Gallium-67 d) Fluorodeoxyglucose Answer: b) Technetium-99m MIBG
48. The “cerebrospinal fluid (CSF) shunt study” is used to assess: a) CSF shunt patency and function b) Bone density c) Thyroid function d) Cardiac abnormalities Answer: a) CSF shunt patency and function
49. The “liver scan” using technetium-99m sulfur colloid is most commonly used to: a) Evaluate liver function and abnormalities b) Diagnose thyroid disorders c) Assess bone conditions d) Examine cardiac function Answer: a) Evaluate liver function and abnormalities
50. The “heart-to-lung ratio” in myocardial imaging indicates: a) The distribution of the radiotracer in the myocardium versus the lungs b) The presence of thyroid disorders c) The density of bone tissues d) The volume of the gallbladder Answer: a) The distribution of the radiotracer in the myocardium versus the lungs
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