Cellular Radiobiology Quiz
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Questions and Answers

Which biologic targets does the Single Target, Single Hit model apply to?

  • Complex multicellular organisms
  • Inorganic compounds and minerals
  • Human cells and tissues
  • Enzymes, viruses, and simple cells (correct)
  • What does a large D0 indicate in the context of cell survival kinetics?

  • Quiescent cells
  • Highly proliferative cells
  • Radiosensitive cells
  • Radioresistant cells (correct)
  • According to target theory, when will cell death occur?

  • If the target molecule is replicated
  • If the target molecule is activated
  • If the target molecule is inactivated (correct)
  • If the target molecule is mutated
  • In the context of radiation interaction, what is a hit?

    <p>An ionization that inactivates the target molecule</p> Signup and view all the answers

    What does the Poisson distribution predict in the context of radiation interaction?

    <p>37% of targets will be inactivated</p> Signup and view all the answers

    What are deterministic radiation responses characterized by?

    <p>Increasing severity with increasing radiation dose</p> Signup and view all the answers

    Which radiation response is considered an early effect of radiation exposure?

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

    What is the sequence of events leading to death within days or weeks after high-level radiation exposure called?

    <p>Acute radiation syndrome</p> Signup and view all the answers

    What type of exposure is less harmful than whole-body exposure in the context of diagnostic radiology?

    <p>Partial-body exposure</p> Signup and view all the answers

    What kind of relationship does the dose-response relationship for deterministic radiation responses exhibit?

    <p>Nonlinear</p> Signup and view all the answers

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