Positron Emission Tomography Process
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Questions and Answers

What is the result of the annihilation reaction between the positron and the electron?

  • Formation of a proton
  • Formation of two high-energy photons (correct)
  • Formation of a neutrino
  • Formation of a neutron

    • What particle is converted to a neutron during the β+ decay process?

  • Proton (correct)
  • Neutrino
  • Electron
  • Positron

    • What happens to the positron when it travels a short distance in the body?

  • It converts into a proton
  • It forms a neutron
  • It emits a neutrino
  • It annihilates with an electron (correct)

    • What is the energy of each photon produced during the annihilation reaction?

    <p>511 keV</p> Signup and view all the answers

    What term is used to describe the line along which the radioactivity is localized between two detectors detecting photons in opposite directions?

    <p>Line of response</p> Signup and view all the answers

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