Radiation Therapy and Proton Stopping Power Quiz
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Questions and Answers

How is the red plot created in proton therapy?

  • By replacing the blue Bragg peak with a red one
  • By adding different energy Bragg peaks to the blue one (correct)
  • By increasing the energy of the proton beam
  • By reducing the thickness of the prospect pieces
  • What technique is used to create Bragg peaks with reduced energy?

  • Inserting more prospect pieces
  • Active beam delivery with scattering foils
  • Passive scattering with a range modulator wheel (correct)
  • Using 2 magnets to scan the beam
  • What is the purpose of the prospect pieces in the range modulator wheel?

  • To increase the energy of the proton beam
  • To reduce the thickness of the Bragg peaks
  • To narrow down the beam
  • To shift the Bragg peak and patient (correct)
  • How does the passive scattering technique help in spreading the Bragg peak?

    <p>By rotating prospect pieces with different thickness</p> Signup and view all the answers

    What role do scattering foils play in bringing a narrow beam into a bigger target?

    <p>Shifting the Bragg peak</p> Signup and view all the answers

    How does active beam delivery differ from passive scattering in proton therapy?

    <p>Active beam delivery changes energy in every spill</p> Signup and view all the answers

    What is the purpose of using synchrotron in active beam delivery?

    <p>To change energy in every spill</p> Signup and view all the answers

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