EXAM 2-Principles of Radiographic
Imaging with Complete Solutions
What type of relationship do mAs have with the quantity of x-rays produced?
a. direct proportional
b. direct but not proportional
c. inverse proportional
d. inverse but not proportional - ANSWER-direct proportional
How much mAs is produced when the mA is 200 and the exposure time is 0.5 s?
a. 25 mAs
b. 50 mAs
c. 100 mAs
d. 200 mAs - ANSWER-100 mAs
If the mA is 600 and exposure time is 10 ms, how can the mAs be doubled?
a. increase the mA to 1200
b. increase the time to 20 ms
c. increase the mAs to 12 mAs
d. all of the above - ANSWER-all of the above
What mA should be selected to produce 32 mAs using a 0.04 exposure time?
a. 128 mA
b. 200 mA
c. 400 mA
d. 800 mA - ANSWER-800 mA
200 mA @80 ms (0.08s) produces 16 mAs. Which of the following exposure factors
maintains 16 mAs whiling using a shorter exposure time?
a. 100 mA @ 0.16s
b. 200 mA @ 0.16s
c. 400 mA @ 0.04s
d. 400 mA @ 0.08s - ANSWER-400 mA @ 0.04s
Which of the following has an effect on how much mAs is used for a specific
examination?
, a. generator type
b. pathologic conditions present
c. type of image receptor
d. all of the above - ANSWER-all of the above
If an film image appears dark, to produce a diagnostic image you may decide to:
a. increase density
b. increase mAs
c. decrease mAs
d. A and B - ANSWER-decrease mAs
Generally, if a film image is dark the mAs should be:
a. halved
b. kept the same; adjust something else
c. doubled
d. none of the above - ANSWER-halved
If a film image has sufficient but not optimal density:
a. it should not be repeated
b. it should be repeated using 30% more or less mAs
c. it should be repeated using twice or half the mAs
d. none of the above - ANSWER-it should not be repeated
How much of a change in mAs is the minimum requirement to see a visible change in
density on a film image?
a. 10%
b. 20%
c. 30%
d. 50% - ANSWER-30%
With digital imaging, if the mAs is too high:
a. the image brightness will appear low (dark)
b. the image brightness will appear appropriate
c. the image brightness will appear high (light)
d. none of the above - ANSWER-the image brightness will appear appropriate
With digital imaging, the relationship between mAs and image brightness is:
a. direct
b. direct proportional
Imaging with Complete Solutions
What type of relationship do mAs have with the quantity of x-rays produced?
a. direct proportional
b. direct but not proportional
c. inverse proportional
d. inverse but not proportional - ANSWER-direct proportional
How much mAs is produced when the mA is 200 and the exposure time is 0.5 s?
a. 25 mAs
b. 50 mAs
c. 100 mAs
d. 200 mAs - ANSWER-100 mAs
If the mA is 600 and exposure time is 10 ms, how can the mAs be doubled?
a. increase the mA to 1200
b. increase the time to 20 ms
c. increase the mAs to 12 mAs
d. all of the above - ANSWER-all of the above
What mA should be selected to produce 32 mAs using a 0.04 exposure time?
a. 128 mA
b. 200 mA
c. 400 mA
d. 800 mA - ANSWER-800 mA
200 mA @80 ms (0.08s) produces 16 mAs. Which of the following exposure factors
maintains 16 mAs whiling using a shorter exposure time?
a. 100 mA @ 0.16s
b. 200 mA @ 0.16s
c. 400 mA @ 0.04s
d. 400 mA @ 0.08s - ANSWER-400 mA @ 0.04s
Which of the following has an effect on how much mAs is used for a specific
examination?
, a. generator type
b. pathologic conditions present
c. type of image receptor
d. all of the above - ANSWER-all of the above
If an film image appears dark, to produce a diagnostic image you may decide to:
a. increase density
b. increase mAs
c. decrease mAs
d. A and B - ANSWER-decrease mAs
Generally, if a film image is dark the mAs should be:
a. halved
b. kept the same; adjust something else
c. doubled
d. none of the above - ANSWER-halved
If a film image has sufficient but not optimal density:
a. it should not be repeated
b. it should be repeated using 30% more or less mAs
c. it should be repeated using twice or half the mAs
d. none of the above - ANSWER-it should not be repeated
How much of a change in mAs is the minimum requirement to see a visible change in
density on a film image?
a. 10%
b. 20%
c. 30%
d. 50% - ANSWER-30%
With digital imaging, if the mAs is too high:
a. the image brightness will appear low (dark)
b. the image brightness will appear appropriate
c. the image brightness will appear high (light)
d. none of the above - ANSWER-the image brightness will appear appropriate
With digital imaging, the relationship between mAs and image brightness is:
a. direct
b. direct proportional
