Fauber Ch 8: Exposure Technique Selection With Full Correct Answers

Fauber Ch 8: Exposure Technique
Selection With Full Correct Answers

AEC devices work by measuring
A. radiation leaving the tube
B. radiation that exits the patient
C. radiation that is absorbed by the patient
D. attenuation of primary radiation by the patient - Ans--B. radiation that
exits the patient

how many detectors are typically found in an AEC system
A. 1
B. 2
C. 3
D. 4 - Ans--C. 3

minimum response time refers to
A. the proper expose time needed for an optimal exposure when an AEC
device is used
B. exposure time minus the amount of time the AEC detectors spend
measuring the radiation
C. the difference in exposure times between AEC systems and electronic
timers
D. the shortest exposure time possible when an AEC device is used - Ans--
D. the shortest exposure time possible when an AEC device is used

which of the following statements about using AEC during digital imaging is
true
A. adjusting the mA value affects image brightness
B. adjusting the kVp value affects image brightness
C. adjusting the backup time affects image brightness
D. adjusting the exposure adjustment control affects the exposure to the IR -
Ans--D. adjusting the exposure adjustment control affects the exposure to
the IR