General
Configuration
More General
Over/under
Even More General
100
The single function of an AEC is to eliminate the need to set
What is time?
100
When an AEC is used for an AP abdomen, this/these ionization chamber(s) are utilized
What are all 3?
100
U.S. public law requires that generators automatically terminate AEC exposures at ____ mAs above 50 kVp
What is 600?
100
If the collimated light field cuts through and does not completely cover an activated AEC chamber, the result will be an ___________ exposed image
What is over exposed?
100
AEC's have a minimum reaction time of less than _______ seconds
What is .001?
200
When using an AEC, the radiographer loses control of
What is mAs?
200
When an AEC is used for an AP lumbar spine, this/these ionization chamber (s) are utilized
What is center cell?
200
Early versions of AEC technology were referred to as
What are phototimers?
200
If the part is smaller than an activated chamber, the image part will be _____________
What is underexposed?
200
When a radiologist desires an image that is under or overexposed, this should be adjusted
What is the density setting?
300
Ionization chamber AECs are usually used in a ____ chamber configuration.
What is 3?
300
When an AEC is used for an AP hip, this/these ionization chamber (s) are utilized
What is the center cell?
300
In the event that the mAs needed for a small anatomical structure is very small, in order to ensure the AEC terminates the exposure correctly, the _________should be decreased
What is mA?
300
When performing a right shoulder x-ray using AEC, selection of the upper right cell will result in an image that is ___________
What is underexposed?
300
Chambers cannot tell the difference between primary and scatter radiation, is a high proportion of scatter radiation reached the chambers, the exposure will terminate ________
What is early or prematurely?
400
When more than one ionization chamber is used simultaneously during exposure, the signal is:
What is averaged?
400
When an AEC is used for a PA chest, this/these ionization chamber (s) are utilized
What are the upper right and left?
400
Most modern AEC systems provide a minimum response time of
1 millisecond
0.001 sec
1/1000 sec
400
When performing a right shoulder x-ray utilizing the center cell, if you accidentally select a lumbar spine in the anatomical programming, the image will be ________
What is overexposed?
400
Identify the portion of the ionization chamber that is labeled red
What is the electrode?
500
The backup time of most AECs is set at ____ of the anticipated manual exposure time.
What is 150%?
500
When an AEC is used for a foot, this/these ionization chamber (s) are utilized
What is AEC IS NOT USED FOR SMALL EXTREMETIES?
500
A radiographer is performing an AP knee radiograph using AEC. The manual technique for this exam would be 12 mAs at 80 kVp. The backup mAs the radiographer should set would be?
What is 18 mAs.
500
When using AEC for a lumbar spine, you select the center cell however your patient is not centered properly and the spine is not centered directly over the cell, your image will be _________
What is underexposed?
500
What technologist error resulted in this overexposed chest xray?
What is center cell selection?