| AEC Questions | Phototiming | Ionization | Positioning skills |
|---|---|---|---|
|
What is determined by the radiographer based on knowledge of anatomy and positioning
cell-selection
|
What is the term that refers to the use of ionization chambers
phototiming
|
What is the number of chambers used in a ionization configuration
three-chamber
|
What is the system that is designed to calculate compensation automatically
AEC system
|
|
What is the most critical element in using AECs
position
|
What is the concept that the radiographer looses control over
time
|
What is the result in an increased repeat rate when using AECs
poor positioning skills
|
What is the terms that may be used in clinical practice which refers to pfototiming
AEC and AED
|
|
What is the use of exposure technique charts that specify the technical parameters
Automatic exposure controls
|
What is most common compensation when using AEC cells
deactivate the uncovered cell
|
What is another important consideration when using AECs
collimation
|
What is the one thing that an experienced radiographer should remember that will always provide a precisely repeatable exposure
a manual technique
|
|
What is the length of time necessary for the AEC to respond to the ionization and send a signal to terminate the exposure
minimum response time
|
What is positioned over the chambers
tissues
|
What is the device that permits the choice of an anatomical region and the projection
control console
|
What is the percentage of most AECs backup time
150%
|
|
What is the single function of an AEC is to eliminate the need for the radiographer is to set an
exposure time
|
What is the name of the person that designed the first phototimer
Russell H. Morgan
|
What is the minimum response time of the modern AEC
0.001
|
What is the property that the radiographer loses control of when using an AEC
mAs
|
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