Oxygen Effect and Reoxygenation Quiz
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Questions and Answers

In which phase do cells have a lower OER, dominating the low-dose region of the survival curve?

  • M phase
  • G2 phase
  • G1 phase (correct)
  • S phase

    • What is the Oxygen Enhancement Ratio (OER) for sparsely ionizing radiations at high doses?

  • 1.6
  • About 2.5 at lower doses
  • Between 2.5 and 3.5 (correct)
  • Unity

    • What is the Oxygen Enhancement Ratio (OER) for intermediate ionizing density radiations (Neutrons)?

  • Between 2.5 and 3.5
  • Unity
  • About 2.5 at lower doses
  • About 1.6 (correct)

    • When does oxygen sensitization occur?

    <p>After irradiation, within milliseconds</p> Signup and view all the answers

    What leads to the formation of free radicals in the context of radiation exposure?

    <p>Absorption of radiation producing fast-charged particles</p> Signup and view all the answers

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