An exposure was made using 200 mA, 0.05 second exposure and 75 kVp.Each of the following changes will function to double radiographic image density, EXCEPT:
A)Change to 0.1 sec exposure.
B)Change to 86 kVp.
C)Change to 20 mAs.
D)Change to 100 mA.

Question

Quizplus · Accepted Answer

Doubling the mA from 200 to 100 mA will not double the radiographic image density; it will actually reduce it by half, as mA is directly proportional to the density.

An Exposure Was Made Using 200 MA, 0