Multiple Choice
If a tabletop exposure (no grid) of a humerus requires 2.5 mAs, how much mAs is needed if a 12:1 ratio grid is added?
A) 0.21 mAs.
B) 0.5 mAs.
C) 12.5 mAs.
D) 30 mAs.
Correct Answer:
Verified
Correct Answer:
Verified
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