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19
Physics
04/04/2013

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Term
sharpness of the structural edges of the image
distinct shadow is evident
Definition
recorded detail
Term
unsharpness reduces ___, and is greater on the ___ side of the image
Definition
resolution
cathode
Term
recorded detail describes the degree of geometric ___ or accuracy of the _______ on the image
Definition
sharpness
structural lines
Term
recorded detail is also referred to as:
Definition
definition
sharpness
spatial resolution
Term
geometric factors affecting recorded detail (6)
Definition
FS Size
SID
OID
Motion
Intensifying screen
anode heel effect
Term
using an intensifying screen will ___ resolution, but will also ___ patient dose
Definition
lower/lower
Term
a major controller of image resolution, controlled by the line focus principle
Definition
FS Size
Term
as FS size decreases, penumbra will ___ and resolution will ___
Definition
decrease, increase
Term
as SID ____, resolution will also ____
Definition
increase/ increase
Term
____ OID should be used
Definition
minumum
Term
three types of motion
Definition
voluntary, involuntary, equipment
Term
as motion __, resolution ___
Definition
decreases/ increases
Term
relative speed/ intensification factor
Definition
RS
Term
RS for high speed intensifying screen
Definition
200-100
Term
RS for par speed intensifying screens
Definition
RS 100
Term
RS for fine detail intensifying screens
Definition
20-80 RS
Term
unsharpness is greater on the
Definition
cathode side
Term
area of ___ density is placed on the anode side
Definition
less
Term
to maximize detail, use slow speed screens with a ___ RS number if possible
Definition
low