Radio Pharmaceutical MCQ ||PharmaEasyNotes ||@Pharmacy ||IPC

  • 1. According to the Nuclear Regulatory Commission, approximately what proportion of patients in U.S. hospitals will require radioisotopes in their course of diagnostics and treatment?
    • A. 

      1/2

    • B. 

      1/3

    • C. 

      1/4

    • D. 

      1/5


      Ans. B 

  • 2. 
    Which of the following is not used to produce radioisotopes? 
    • A. 

      Cyclotrons

    • B. 

      Radioisotope generators

    • C. 

      Gamma cameras

    • D. 

      Nuclear reactors


      ANS. C

  • 3. 
    How is the commonly used isotope Tc-99m produced?
    • A. 

      Cyclotron

    • B. 

      Gamma camera

    • C. 

      Radioisotope generator

    • D. 

      Linear accelerator

       

      ANS. C

  • 4. 
    How is the positron emitter fluorine-18 produced? 
    • A. 

      Cyclotron

    • B. 

      Gamma camera

    • C. 

      Radioisotope generator

    • D. 

      Linear accelerator


      ANS. A 

  • 5. 
    How is molybdenum-99 produced?
    • A. 

      Cyclotron

    • B. 

      Gamma camera

    • C. 

      Radioisotope generator

    • D. 

      Nuclear reactor


      ANS. D 

  • 6. 
    Why is molybdenum-99m important in nuclear medicine? 
    • A. 

      It is the most widely used isotope in nuclear medicine

    • B. 

      It is the daughter-isotope of the most widely used isotope in nuclear medicine

    • C. 

      It is the parent-isotope of the most widely used isotope in nuclear medicine


      ANS. C

  • 7. 
    How is lack of blood perfusion visualized in nuclear medicine imaging? 
    • A. 

      “hot” spots/increased activity

    • B. 

      “cold” spots/lack of activity

    • C. 

      Presentation depends on the isotope used

    • D. 

      Presentation depends on the organ being imaged

      ANS. B 

  • 8. 
    How can images taken hours after a patient has been injected under stress conditions depict blood perfusion to the heart at stress?
    • A. 

      Images can only depict blood perfusion to the heart under resting conditions

    • B. 

      Computer programs calculate the estimated blood perfusion under stress conditions

    • C. 

      The radiopharmaceutical localized in the heart indicative of blood flow at the time of injection


      ANS. C

       

  • 9. 
    What isotopes is not commonly used for imaging blood perfusion to the heart? 
    • A. 

      Tl-201

    • B. 

      Tc-99m

    • C. 

      I-131

    • D. 

      Rb-82


      ANS. C 

  • 10. 
    Why does MAA localize in the capillaries of the lung?
    • A. 

      It consists of particles that are too large to travel further than the lung capillaries

    • B. 

      It is inhaled

    • C. 

      It doesn’t localize in the capillaries of the lung

    • D. 

      The pharmaceutical has an affinity for lung tissue


      ANS. A


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