Equipment operation & quality control

Created by jenryder78 

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Which of the following is (are) essential to high-quality mammographic examinations?

1. Small focal spot x-ray tube
2. Short-scale contrast
3. Use of a compression device

High, short-scale contrast (and therefore low kilovoltage) is needed to

accentuate minute differences in tissue density

A compression device serves to

even out differences in tissue thickness (thicker at chest wall, thinner at nipple) and decrease OID, and helps decrease the production of scattered radiation.

Which of the following contribute(s) to base-plus fog?

1. Chemical fog
2. Base tint
3. Background radiation

Base-plus fog should not exceed

0.2D

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