Q:

Why are radionuclides that emit low energy gamma radiation preferred to other radionuclides for in vivo diagnosis using a nuclear medicine technique? Because

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Why are radionuclides that emit low energy gamma radiation preferred to other radionuclides for in vivo diagnosis using a nuclear medicine technique? Because


  1. other forms of radiation are emitted with too much energy.
  2. high energy gamma radiation is not penetrating enough.
  3. most of the radiation will emerge from the patient’s body.
  4. sources of x-rays require more extensive technical support than gamma sources.

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C: If most gamma photons emerge from the body, the maximum amount of information will be available and the minimum amount of radiation dose will be deposited in the patient.

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