1. High contrast is related to?

a. High Kvp

b. Low Kvp

c. High mAs

d. Low mAs

2. Physical contrast is the total range of density’s that can be seen by the eye?

True or False

3. Many shades of gray can be assosiated with?

a. High contrast

b. Low kVp

c. Low contrast

d. Short dynamic range

4. The term window level is post processing that changes the level of contrast?

True or False

5. When the thickness of various body parts are great subject contrast?

a. Increases

b. Decreases

6. As photoelectric interactions increase kVp decrease? True or False

7. Grids with higher grid ratio’s ___________ contrast?

a. Decrease contrast

b. Grids do not effect contrast

c. Increase contrast

8. If an image is taken with a 10″x10″ field size and you increase the collimation to a 2″x2″ field size how will this effect your contrast on the image?

a. Increasing collimation will decrease my contrast on the image.

b. Increasing collimation will increase my contrast on the image.

c. Changing in collimation has no effect on contrast.

9. A decrease in kVp by 15% is equivalent to?

a. Doubling your density

b. Doubling your contrast on the image.

c. Reducing your contrast on the image by half.

d. Reducing your density by half.

10. Any factor that will increase the fog of the image will decrease contrast?

True or False

1. B  2. False  3. C  4. False  5. A   6. True   7. C   8. B  9. D  10. True