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    Practice of Radiation Therapy
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    Exam 23: Photon Dosimetry Concepts and Calculations
  5. Question
    Calculate the PDD of Depth (D)if the Dose at Dmax
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Calculate the PDD of Depth (D)if the Dose at Dmax

Question 1

Question 1

Multiple Choice

Calculate the PDD of depth (d) if the dose at Dmax is 180 cGy and the dose at d is 127 cGy.


A) 47%
B) 70.6%
C) 56%
D) 75%

Correct Answer:

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