Nuclear Medicine MCQs Radiology

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

1. The primary radiopharmaceutical used in myocardial perfusion imaging is:
a) Technetium-99m Sestamibi
b) Iodine-131
c) Fluorodeoxyglucose
d) Thallium-201
Answer: a) Technetium-99m Sestamibi

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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