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EXAM 2-Principles of Radiographic Imaging Questions and Answers
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EXAM 2-Principles of Radiographic Imaging Questions and Answers
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EXAM 2-Principles of RadiographicImaging Questions and Answers
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 - Correct Answers -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 - Correct Answers -100 mAs
With digital imaging, it is impossible to overexpose the patient to radiation because the
computer makes adjustments to the image.
a. true
b. false - Correct Answers -false
The primary purpose of using technique charts is to produce consistent quality
radiographs.
a. true
b. false - Correct Answers -true
When a good technique chart is available, the radiographer doesn't even have to think
about what exposure factors to set.
a. true
b. false - Correct Answers -false
The baseline kVp for a variable kVp-fixed mAs technique chart has been set since
shortly after Roentgen's discovery.
a. true
b. false - Correct Answers -false
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 - Correct Answers -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 - Correct Answers -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 - Correct Answers -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 - Correct Answers -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 - Correct Answers -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 - Correct Answers -halved
If a film image has sufficient but not optimal density:
a. it should not be repeated
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