The mA is a direct defining parameter of the number of photons generated by the x-ray tube.A higher mA results in a decrease in image noise, an increase in contrast resolution, and an increased dose to the patient.An increase in kVp also results in greater penetration through the body.

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Using a Higher MA

Question 15

Multiple Choice

Using a higher mA

A) results in an increase in image noise.
B) results in an increase in contrast resolution.
C) results in a decrease in dose to the patient.
D) shortens the imaging time for the patient.

Correct Answer: