Computed Tomography Questions and
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Each sweep of the source-detector around the body during CT is
called a _____.
Ans: translation
Each CT projection records variations in ____.
Ans: mass density and effective atomic number
Each CT projection is ____.
1. printed on film
2. stored on the computer
3. displayed on the monitor
Ans: stored on the computer
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The cross-sectional anatomy is translated into ____ during CT
reconstruction.
Ans: a matrix of values
The first generation of computed tomography used ______ detector
(s).
Ans: one
The principal drawback of the first-generation CT scanner was the
____.
Ans: long scanning time
The second-generation CT scanners had the disadvantage of
increased _____.
Ans: beam scatter