Author Question: Contrast that is a result of absorption in tissues that vary in thickness and density is: subject ... (Read 45 times)

Deast7027 · **on:** Jul 17, 2018

Contrast that is a result of absorption in tissues that vary in thickness and density is:

subject contrast
radiographic contrast
film contrast
inherent contrast

Question 2

All of the following could be considered to reduce patient exposure except:

correct positioning techniques and centering
thorough explanation of steps to the patient through the exposure
accurate centering with photocell selection
use of a grid

aham8f · **Reply #1 on:** Jul 17, 2018

Answer to Question 1

subject contrast

Rationale: Subject contrast is a result of differential absorption depending on tissues and their thicknesses.

Answer to Question 2

use of a grid

Rationale: Patient communication throughout the exam is key to ensure cooperation. In addition, proper positioning and centering are especially key when using phototiming or AEC.