Radiopharmaceuticals MCQs Radiology

By: Prof. Dr. Fazal Rehman Shamil | Last updated: September 14, 2024

1. The primary function of radiopharmaceuticals in imaging is to:
a) Provide contrast for visualization of tissues
b) Detect electrical activity
c) Measure tissue density
d) Enhance bone structure
Answer: a) Provide contrast for visualization of tissues


2. A commonly used radiopharmaceutical for bone scans is:
a) Technetium-99m MDP
b) Iodine-123
c) Gallium-67
d) Fluorodeoxyglucose
Answer: a) Technetium-99m MDP


3. The radiopharmaceutical used for thyroid imaging is:
a) Iodine-123
b) Technetium-99m
c) Gallium-67
d) Thallium-201
Answer: a) Iodine-123


4. In PET scans, the radiopharmaceutical commonly used to assess metabolic activity is:
a) Fluorodeoxyglucose (FDG)
b) Technetium-99m
c) Iodine-131
d) Gallium-67
Answer: a) Fluorodeoxyglucose (FDG)


5. The radiopharmaceutical used for myocardial perfusion imaging is:
a) Technetium-99m Sestamibi
b) Iodine-123
c) Gallium-67
d) Fluorodeoxyglucose
Answer: a) Technetium-99m Sestamibi


6. The radiopharmaceutical used in liver imaging is:
a) Technetium-99m sulfur colloid
b) Iodine-123
c) Gallium-67
d) Thallium-201
Answer: a) Technetium-99m sulfur colloid


7. For imaging infections, the preferred radiopharmaceutical is:
a) Gallium-67
b) Technetium-99m
c) Iodine-123
d) Fluorodeoxyglucose
Answer: a) Gallium-67


8. The radiopharmaceutical used for assessing renal function is:
a) Technetium-99m MAG3
b) Iodine-123
c) Gallium-67
d) Fluorodeoxyglucose
Answer: a) Technetium-99m MAG3


9. A radiopharmaceutical used in bone marrow imaging is:
a) Technetium-99m sulfur colloid
b) Iodine-123
c) Gallium-67
d) Fluorodeoxyglucose
Answer: a) Technetium-99m sulfur colloid


10. The radiopharmaceutical used for evaluating brain tumors is:
a) Fluorodeoxyglucose (FDG)
b) Technetium-99m
c) Iodine-123
d) Gallium-67
Answer: a) Fluorodeoxyglucose (FDG)


11. The radiopharmaceutical used for assessing parathyroid glands is:
a) Technetium-99m Sestamibi
b) Iodine-123
c) Gallium-67
d) Fluorodeoxyglucose
Answer: a) Technetium-99m Sestamibi


12. For detecting gastrointestinal bleeding, the radiopharmaceutical of choice is:
a) Technetium-99m
b) Iodine-123
c) Gallium-67
d) Fluorodeoxyglucose
Answer: a) Technetium-99m


13. The radiopharmaceutical used for lung ventilation imaging is:
a) Xenon-133
b) Technetium-99m
c) Iodine-123
d) Gallium-67
Answer: a) Xenon-133


14. For evaluating myocardial viability, the radiopharmaceutical used is:
a) Fluorodeoxyglucose (FDG)
b) Technetium-99m
c) Iodine-123
d) Gallium-67
Answer: a) Fluorodeoxyglucose (FDG)


15. The radiopharmaceutical used in PET imaging for oncology is:
a) Fluorodeoxyglucose (FDG)
b) Technetium-99m
c) Iodine-123
d) Gallium-67
Answer: a) Fluorodeoxyglucose (FDG)


16. The radiopharmaceutical used for detecting bone metastases is:
a) Technetium-99m MDP
b) Iodine-123
c) Gallium-67
d) Fluorodeoxyglucose
Answer: a) Technetium-99m MDP


17. The radiopharmaceutical commonly used for thyroid scans is:
a) Iodine-123
b) Technetium-99m
c) Gallium-67
d) Fluorodeoxyglucose
Answer: a) Iodine-123


18. For assessing cardiac perfusion, the radiopharmaceutical used is:
a) Technetium-99m Sestamibi
b) Iodine-123
c) Gallium-67
d) Fluorodeoxyglucose
Answer: a) Technetium-99m Sestamibi


19. The radiopharmaceutical used in PET imaging to evaluate brain function is:
a) Fluorodeoxyglucose (FDG)
b) Technetium-99m
c) Iodine-123
d) Gallium-67
Answer: a) Fluorodeoxyglucose (FDG)


20. For imaging the liver and spleen, the preferred radiopharmaceutical is:
a) Technetium-99m sulfur colloid
b) Iodine-123
c) Gallium-67
d) Fluorodeoxyglucose
Answer: a) Technetium-99m sulfur colloid


21. The radiopharmaceutical used for evaluating bone infection is:
a) Gallium-67
b) Technetium-99m
c) Iodine-123
d) Fluorodeoxyglucose
Answer: a) Gallium-67


22. The radiopharmaceutical used for imaging the gallbladder is:
a) Technetium-99m
b) Iodine-123
c) Gallium-67
d) Fluorodeoxyglucose
Answer: a) Technetium-99m


23. For assessing the function of the thyroid gland, the radiopharmaceutical used is:
a) Iodine-123
b) Technetium-99m
c) Gallium-67
d) Fluorodeoxyglucose
Answer: a) Iodine-123


24. The radiopharmaceutical used for imaging the prostate is:
a) Technetium-99m
b) Iodine-123
c) Gallium-67
d) Fluorodeoxyglucose
Answer: a) Technetium-99m


25. For evaluating brain lesions, the radiopharmaceutical commonly used is:
a) Fluorodeoxyglucose (FDG)
b) Technetium-99m
c) Iodine-123
d) Gallium-67
Answer: a) Fluorodeoxyglucose (FDG)


26. The radiopharmaceutical used in myocardial perfusion imaging that can be used in SPECT is:
a) Technetium-99m Sestamibi
b) Iodine-123
c) Gallium-67
d) Fluorodeoxyglucose
Answer: a) Technetium-99m Sestamibi


27. The radiopharmaceutical used for evaluating the function of the kidneys is:
a) Technetium-99m MAG3
b) Iodine-123
c) Gallium-67
d) Fluorodeoxyglucose
Answer: a) Technetium-99m MAG3


28. For imaging infections, the radiopharmaceutical used is:
a) Gallium-67
b) Technetium-99m
c) Iodine-123
d) Fluorodeoxyglucose
Answer: a) Gallium-67


29. The radiopharmaceutical used for bone imaging in children is:
a) Technetium-99m MDP
b) Iodine-123
c) Gallium-67
d) Fluorodeoxyglucose
Answer: a) Technetium-99m MDP


30. For detecting early cancer metastases, the radiopharmaceutical used is:
a) Fluorodeoxyglucose (FDG)
b) Technetium-99m
c) Iodine-123
d) Gallium-67
Answer: a) Fluorodeoxyglucose (FDG)


31. The radiopharmaceutical used for evaluating the parathyroid glands is:
a) Technetium-99m Sestamibi
b) Iodine-123
c) Gallium-67
d) Fluorodeoxyglucose
Answer: a) Technetium-99m Sestamibi


32. The radiopharmaceutical used in PET imaging for assessing brain metabolism is:
a) Fluorodeoxyglucose (FDG)
b) Technetium-99m
c) Iodine-123
d) Gallium-67
Answer: a) Fluorodeoxyglucose (FDG)


33. The radiopharmaceutical used in bone scans to identify metastatic disease is:
a) Technetium-99m MDP
b) Iodine-123
c) Gallium-67
d) Fluorodeoxyglucose
Answer: a) Technetium-99m MDP


34. For imaging the gastrointestinal tract, the radiopharmaceutical used is:
a) Technetium-99m sulfur colloid
b) Iodine-123
c) Gallium-67
d) Fluorodeoxyglucose
Answer: a) Technetium-99m sulfur colloid


35. The radiopharmaceutical used for assessing lymphatic function is:
a) Technetium-99m
b) Iodine-123
c) Gallium-67
d) Fluorodeoxyglucose
Answer: a) Technetium-99m


36. The radiopharmaceutical used in PET scans for cancer detection is:
a) Fluorodeoxyglucose (FDG)
b) Technetium-99m
c) Iodine-123
d) Gallium-67
Answer: a) Fluorodeoxyglucose (FDG)


37. For imaging the brain to assess neurological conditions, the radiopharmaceutical used is:
a) Fluorodeoxyglucose (FDG)
b) Technetium-99m
c) Iodine-123
d) Gallium-67
Answer: a) Fluorodeoxyglucose (FDG)


38. The radiopharmaceutical used for imaging the spleen is:
a) Technetium-99m sulfur colloid
b) Iodine-123
c) Gallium-67
d) Fluorodeoxyglucose
Answer: a) Technetium-99m sulfur colloid


39. The radiopharmaceutical used in thyroid scans to assess hyperthyroidism is:
a) Iodine-123
b) Technetium-99m
c) Gallium-67
d) Fluorodeoxyglucose
Answer: a) Iodine-123


40. For detecting myocardial infarction, the radiopharmaceutical used is:
a) Technetium-99m Sestamibi
b) Iodine-123
c) Gallium-67
d) Fluorodeoxyglucose
Answer: a) Technetium-99m Sestamibi


41. The radiopharmaceutical used for imaging bone infection is:
a) Gallium-67
b) Technetium-99m
c) Iodine-123
d) Fluorodeoxyglucose
Answer: a) Gallium-67


42. The radiopharmaceutical used for assessing liver function is:
a) Technetium-99m sulfur colloid
b) Iodine-123
c) Gallium-67
d) Fluorodeoxyglucose
Answer: a) Technetium-99m sulfur colloid


43. For imaging bone tumors, the radiopharmaceutical used is:
a) Technetium-99m MDP
b) Iodine-123
c) Gallium-67
d) Fluorodeoxyglucose
Answer: a) Technetium-99m MDP


44. The radiopharmaceutical used in renal imaging to evaluate kidney function is:
a) Technetium-99m MAG3
b) Iodine-123
c) Gallium-67
d) Fluorodeoxyglucose
Answer: a) Technetium-99m MAG3


45. The radiopharmaceutical used for evaluating gastrointestinal bleeding is:
a) Technetium-99m
b) Iodine-123
c) Gallium-67
d) Fluorodeoxyglucose
Answer: a) Technetium-99m


46. The radiopharmaceutical used for brain imaging in dementia diagnosis is:
a) Fluorodeoxyglucose (FDG)
b) Technetium-99m
c) Iodine-123
d) Gallium-67
Answer: a) Fluorodeoxyglucose (FDG)


47. The radiopharmaceutical used for imaging the heart is:
a) Technetium-99m Sestamibi
b) Iodine-123
c) Gallium-67
d) Fluorodeoxyglucose
Answer: a) Technetium-99m Sestamibi


48. For evaluating bone infection, the radiopharmaceutical of choice is:
a) Gallium-67
b) Technetium-99m
c) Iodine-123
d) Fluorodeoxyglucose
Answer: a) Gallium-67


49. The radiopharmaceutical used in lymphoscintigraphy is:
a) Technetium-99m
b) Iodine-123
c) Gallium-67
d) Fluorodeoxyglucose
Answer: a) Technetium-99m


50. For imaging soft tissue tumors, the radiopharmaceutical commonly used is:
a) Fluorodeoxyglucose (FDG)
b) Technetium-99m
c) Iodine-123
d) Gallium-67
Answer: a) Fluorodeoxyglucose (FDG)