Rad 1333 chapter 8 pt. 1 Questions and
Correct Answers Updated 2025 Graded A
____ selected for each exam should provide an appropriate level of subject contrast &
is atleast the minimum needed to penetrate the part regardless if AEC is used. -
ANSkVp
____ should not be used on a routine basis - ANSDensity control
AEC controls only the ______________ of radiation reaching the IR and has no effect
on other image characteristics, such as ________________. - ANSQuantity
Contrast
AEC systems are also called ____ and referred to ____. - ANSAutomatic exposure
devices
Phototiming
Besides kvp, ____ should also be selected as usual for a particular exam regardless of
AEC - ANSmA
Decreasing the mA ____ the exposure time when using AEC. - ANSIncreased
Each ____ system is calibrated to a specific type of IR. - ANSAEC
Each number on the density control changes ____ - ANSExposure times by a certain
predetermined amount expression as a %
Excessive coloration may result in _____. - ANSToo long exposure
For an AEC system to function properly, ____ & ____ are essential. - ANSCalibration
QC testing
higher kvp means ____ time to reach predetermined exposure for AEC - ANSLess
How does the backup time act like a safety mechanism? - ANSIt protects the patient
from unnecessary exposure
It protects the x-ray tube from reaching or exceeding its heat-loading capacity
