Increasing the SID to 48 Inches (123 Cm) from 40

Multiple Choice

Increasing the SID to 48 inches (123 cm) from 40 inches (102 cm) and adjusting the mAs accordingly will:

A) increase penumbra.
B) along with the use of a small focal spot, decrease penumbra.
C) decrease patient skin dose but increase internal dose because of an increase in scatter radiation.
D) have no effect on image sharpness or on patient dose.