Radiopharmaceuticals MCQs

What is the primary purpose of radiopharmaceuticals in medicine?
- A) Diagnosis and treatment of diseases
- B) Pain relief
- C) Surgical procedures
- D) Immunization
Which of the following is a commonly used radiopharmaceutical for thyroid imaging?
- A) Technetium-99m
- B) Iodine-123
- C) Fluorine-18
- D) Gallium-67
What does the term “half-life” refer to in radiopharmaceuticals?
- A) Time taken for half of the radioactive material to decay
- B) Time taken to administer the drug
- C) Duration of imaging procedure
- D) Time required for patient recovery
Which of the following is an example of a PET radiopharmaceutical?
- A) Iodine-131
- B) Fluorine-18-FDG
- C) Technetium-99m
- D) Strontium-89
What is the primary radioactive emission type of Technetium-99m?
- A) Alpha particles
- B) Gamma rays
- C) Beta particles
- D) Neutrons
Which radiopharmaceutical is used for bone scans?
- A) Technetium-99m-MDP
- B) Iodine-131
- C) Gallium-67
- D) Thallium-201
What is a common use of Gallium-67 in medical imaging?
- A) Cardiac imaging
- B) Detection of infections and tumors
- C) Thyroid imaging
- D) Bone density measurement
In which of the following conditions is Iodine-131 used therapeutically?
- A) Hyperthyroidism
- B) Osteoporosis
- C) Heart failure
- D) Diabetes
What is the mechanism of action for fluorine-18-FDG in PET imaging?
- A) It mimics glucose uptake in cells
- B) It binds to specific receptors
- C) It labels antibodies
- D) It accumulates in bone
Which of the following is a major advantage of using Technetium-99m as a radiopharmaceutical?
- A) Short half-life and versatile imaging
- B) Long half-life
- C) High cost
- D) Limited availability
What is the primary imaging technique associated with radiopharmaceuticals?
- A) Nuclear medicine imaging
- B) MRI
- C) CT
- D) Ultrasound
Which radiopharmaceutical is used to assess cardiac perfusion?
- A) Iodine-123
- B) Thallium-201
- C) Gallium-67
- D) Strontium-89
Which of the following radiopharmaceuticals is utilized in cancer therapy?
- A) Iodine-131
- B) Fluorine-18
- C) Technetium-99m
- D) Carbon-11
How is the radiopharmaceutical Technetium-99m typically produced?
- A) From a generator
- B) By cyclotron
- C) Through fission
- D) By neutron activation
What is the main advantage of SPECT imaging with radiopharmaceuticals?
- A) 3D imaging capabilities
- B) High resolution
- C) Lower radiation dose
- D) Faster acquisition times
Which of the following describes a “cold” spot in a nuclear imaging study?
- A) Decreased uptake of radiopharmaceutical
- B) Increased uptake
- C) Normal uptake
- D) Uniform distribution
Which radiopharmaceutical is used for the detection of adrenal tumors?
- A) Technetium-99m
- B) Iodine-123-MIBG
- C) Fluorine-18-FDG
- D) Gallium-67
What is the role of a radiopharmaceutical in brachytherapy?
- A) Localized radiation treatment
- B) Imaging tumors
- C) Diagnosing infections
- D) Treating systemic diseases
Which radiopharmaceutical is used in the evaluation of neuroendocrine tumors?
- A) Indium-111-octreotide
- B) Gallium-67
- C) Iodine-131
- D) Fluorine-18-FDG
What safety measure is important when handling radiopharmaceuticals?
- A) Using shielding and minimizing exposure
- B) Using gloves only
- C) Avoiding masks
- D) Handling without supervision
Which radiopharmaceutical is primarily used in renal imaging?
- A) Thallium-201
- B) Technetium-99m-DTPA
- C) Iodine-131
- D) Gallium-67
What imaging technique is combined with radiopharmaceuticals in nuclear medicine?
- A) Gamma camera imaging
- B) CT imaging
- C) Ultrasound imaging
- D) MRI
What does the term “radiopharmacy” refer to?
- A) Preparation and dispensing of radiopharmaceuticals
- B) Administration of medications
- C) Imaging techniques
- D) Patient monitoring
Which radiopharmaceutical is used for lymphatic mapping?
- A) Gallium-67
- B) Technetium-99m-tilmanocept
- C) Iodine-123
- D) Strontium-89
What is the main benefit of using carbon-11 in PET imaging?
- A) Short half-life and high specificity
- B) Long half-life
- C) Broad availability
- D) Inexpensive
What is a potential side effect of radiopharmaceuticals?
- A) Radiation exposure
- B) Allergic reactions
- C) Respiratory distress
- D) Nausea
Which of the following is used for assessing gastrointestinal bleeding?
- A) Technetium-99m-labeled red blood cells
- B) Iodine-131
- C) Fluorine-18
- D) Gallium-67
In nuclear medicine, what does the term “uptake” refer to?
- A) Absorption of the radiopharmaceutical by tissues
- B) Distribution of the drug
- C) Excretion of the drug
- D) Imaging results
What is the main advantage of using radiopharmaceuticals in therapy?
- A) High cost
- B) Targeted treatment of diseases
- C) Short duration of action
- D) Increased side effects
Which radiopharmaceutical is commonly used for assessing pulmonary embolism?
- A) Technetium-99m-macroaggregated albumin (MAA)
- B) Iodine-123
- C) Gallium-67
- D) Strontium-89

Leave a Comment Cancel reply