Which statement about grids is most accurate?
A) The grid is installed on the patient side of the tube head to minimize scatter and to collimate the beam.
B) A grid is unnecessary when taking a radiographic image of areas less than 30 cm thick.
C) When using a grid, it is necessary to increase the mA, sometimes by up to six times.
D) The grid improves penetrance and radiographic detail by redirecting the x-rays so that they strike the film perpendicularly.
Correct Answer:
Verified
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