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107 E2

QuestionAnswer
Light incident on the eye must first pass through the _________________. Cornea
The interpretation of a digital medical image by a radiologist is a two-step process; _________________ followed by ______________. global impression; visual search
Temporal accommodation restricts the frame rate for digital fluoroscopy to 2 images/s. False
The process of matching any worker to the work environment in order to maximize efficiency is ergonomics. True
All of the following are components of receiver operating characteristic curves, except __________. sensitivity index
__________________ is corrected by the application of an offset voltage. Misregistration
A computation of the mean pixel value within a region-of-interest is performed for ____________________. quantitative radiology
Spatial resolution improves with the use of higher megapixel digital display devices. True
Almost all medical flat panel digital display devices are _______________. monochrome liquid crystal displays (LCDs)
What is the basic photometric unit? Lumen
If mAs is increased from 20 mAs to 40 mAs, the patient dose will _____________. be doubled
Added filtration has the effect of __________ the beam quality and ________ patient dose. increasing; reducing
What are the prime exposure factors? kVp, mAs, and SID
With automatic exposure techniques the exposure is terminated when the optimum _____ is reached. OD
At least a _____% change in mAs is necessary to produce a visible change in the image. 30
Created by: cathrvn
 

 



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