A portable radiograph is taken of a thick body part using a 10:1 stationary grid.The image produced demonstrates a contrast factor (K) of 1.7 .A second radiograph is taken with a different grid of unknown specifications, and the K-value is 2.2.What conclusion can you reach regarding the two grids?
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Q17: Photon absorption within the body occurs as
Q18: As kVp increases,
A)contrast decreases.
B)scatter increases.
C)image receptor exposure
Q19: A grid is used to improve
A)subject density.
B)image
Q20: The radiopaque strips
A)absorb scatter.
B)are made of dense
Q21: A satisfactory abdominal radiograph is produced using
Q23: A Potter-Bucky diaphragm must move the grid
Q24: If the lead strips are 2.0 mm
Q25: If the lead strips are 4.0 mm
Q26: What is the frequency of a grid
Q27: Match the following choices with the correct
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