Contrast and Density

Card Set Information

Author:
McCrae
ID:
305160
Filename:
Contrast and Density
Updated:
2015-07-13 20:46:07
Tags:
Rad
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Description:
Registry
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  1. As kilovoltage (photon energy) is increased, the number of grays_______, thereby producing a longer scale of contrast.
     increases
  2. as screen speed increases, so does contrast (resulting in a ____ scale of contrast).
    shorter 
  3. An increase in mAs is frequently accompanied by an appropriate decrease in kilovoltage, which would also _____ the contrast scale.
    shorten
  4. As distance from the radiation source ____, exposure rate decreases, and radiographic density _____
    increases

    decreases

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