True or False
100
Another name for an AEC unit ?
AED
100
What type of relationship does mA and exposure have ?
Inverse
100
What's the most common cause of suboptimal film-screen images when AEC is used ?
Inaccurate centering
100
Destructive pathologic conditions can cause underexposure of the area of radiographic interest
True
200
What does AED stand for?
Automatic Exposure Device
200
Allow the radiographer to adjust the amount of preset radiation detection values ?
Density Control
200
If high KV is used when using AEC what will happen to the exposure time ?
It will be shorter
200
Prosthetic device that superimposes that detector can cause excessive exposure
True
300
Allows the radiographic to consistently reproduce images having diagnostically acceptable density ?
AEC
300
What is the most common reason for backup timer activation ?
Radiographer error
300
Failure to select the proper detector will increase ___________
Patient Dosage
300
If the correct Bucky is selected but the wrong x-ray tube is energized, no radiation will reach the detectors resulting in short exposure time
False, excessively long exposure time
400
An electronic, device that converts visible light energy into energy ?
Photomultiplier tube
400
When the X-Ray tube is off-centered to the grid, it this to be activated ?
Backup timer
400
Two most important factors while using AEC
Patient Positioning and Detector Selection
400
High KV and High mA will cause stroboscopic effect
True
500
If mA increases what happens to exposure time ?
Decreases
500
Excessively long exposure time causes this to be activated ?
Backup timer
500
A device used to store a specific quantity of electricity
Capacitor
500
If the patient is suspected of having a metal prosthetic device, the radiographer should use a manual technique
True






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