Radiation Biology Quiz
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Radiation Biology Quiz

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@RestoredBeige

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Questions and Answers

What is the cellular target impacted by radiation that can kill/modify the cell?

  • DNA (correct)
  • Proteins
  • RNA
  • Mitochondria

    • Which type of radiation effect has no threshold?

  • Deterministic effects
  • Direct effects
  • Indirect effects
  • Stochastic effects (correct)

    • What does ALARA stand for in the principal philosophy of radiation safety?

  • Always Look Around, Reduce Accidents
  • As Low As Reasonably Achievable (correct)
  • Avoiding Long-term Adverse Radiation Affects
  • Alerting Local Authorities, Reducing Accidents

    • In radiation therapy, what type of effects are more concerning?

    <p>Deterministic effects</p> Signup and view all the answers

    What is a key characteristic of radionuclides used for medical imaging?

    <p>No particulate radiation</p> Signup and view all the answers

    How is PMT gain computed?

    <p>PMT gain= dynode gain #dynodes</p> Signup and view all the answers

    What is the role of the Gamma camera collimator and PHA?

    <p>Eliminate oblique gamma rays using collimator</p> Signup and view all the answers

    What is the key limitation of gamma camera imaging?

    <p>Poor resolution</p> Signup and view all the answers

    How can the risk of exposure be minimized in Nuclear Medicine?

    <p>Decrease time, increase distance, increase shielding</p> Signup and view all the answers

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