Match the following choices with the correct statement as each relates to exposure systems.

a. calipers
b. Arthur Fuchs
c. APR
d. variable kVp system
e. fixed kVp system
f. AEC
g. Ed C. Jerman
h. phantom
i. fixed kVp systems
j. 120 kVp
k. 15% rule
l. 2 kVp rule

1. father of radiologic technology
2. also known as phototiming
3. used to measure part thickness
4. inconsistent radiographic image contrast
5. made of tissue-equivalent material

1. g. Ed C. Jerman
2. f. AEC
3. a. calipers
4. d. variable kVp system
5. h. phantom