Multiple Choice
Increased skin doses may be seen on patients caused by the interaction of the photon beam with material used in beam-shaping or modifying devices.Therefore, to prevent electron contamination, all devices must be secured at a minimum of ______ cm from the surface of the patient.
A) 3
B) 5
C) 15
D) 20
Correct Answer:
Verified
Correct Answer:
Verified
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