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Chapter 29 distortion

Terms in this set (32)

as mA increases, size and shape ____________
do not change
as time increases, size and shape __________
do not change
as kVp increases, size and shape ___________
do not change
as filtration increases, size and shape __________
do not change
As motion increases, size and shape ____________
do not change
as patient size increases, size increases with ____ and patient shape may cause changes in angles.
OID
As grid ratio increases, size and shape ______________
do not change
as screen speed increases, size and shape __________
do not change
as SID increases, shape is unchanged, ________ magnification
decreases
As OID increases, size is _______ with magnification of object to image
increased
as misalign or misangled film increases, size is unchanged; shape can be increased by _________ rays
divergent
As processing time and temp increases, size and shape __________
do not change
distortion is the second of the two _______ properties affecting radiographic image quality.
geometric
distortion results from the radiographic misrepresentaion of either _____ or ______ of the atamic body part
size or shape
magnification refers to an _______ in the objects image size comapred to its actual true size
increase
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