Choose the most accurate statement.
A) The penumbra from a Co-60 machine is smaller than that from a linear accelerator because the Co-60 source diameter is 3 mm.
B) The penumbra from a Co-60 machine is smaller than that from a linear accelerator because Co-60 has a source travel timer error.
C) The penumbra from a Co-60 machine is larger than that from a linear accelerator because Co-60 has a source travel timer error.
D) The penumbra from a Co-60 machine is larger than that from a linear accelerator because the Co-60 source diameter is 3 mm.
Correct Answer:
Verified
Q13: The electron gun is similar to what
Q14: Choose the most correct statement concerning
Q15: The energy of a cobalt unit is:
A)
Q16: The circulator in a linear accelerator:
A) mixes
Q17: Orthovoltage x-ray machines have energies in the
Q19: Which of the following is not found
Q20: Image-guided radiation therapy can be accomplished with:
Q21: A Van de Graaff machine _. I.is
Q22: A betatron produces megavoltage:
A) electrons
B) photons
C) protons
D)
Q23: Some of the more common medical accelerator
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