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img crit density Test

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incorrect
1.
What does mAs control in digital?
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2.
“density maintenance formula”?
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3.
Additive pathology and density
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4.
How should changes in mAs be determined?
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5.
Destructive pathology and density
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6.
Increase in atomic number (Z
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7.
How are scatter and density related?
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8.
In CR and DR “density” refers to:
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9.
Distance and intensity are related how?
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10.
What change in mAs is necessary to produce a visible change in density on screen film?
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11.
Increased tissue thickness affects density how?
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12.
Anode heel effect is what?
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13.
What is the controlling factor of density for screen film?
A.
increased scatter increases overall film density, any factor increasing scatter increases density.
B.
destructive pathologies are radiolucent , increasing overall film density
C.
) affects density how?
D.
½ distance = ¼ intensity
E.
additive pathologies are radiopaque, decreasing overall film density.
F.
mAs should always be doubled of halved
G.
increased scatter increases overall density
H.
45% greater density on the cathode side of the tube
I.
direct square law
J.
it assures proper exposure of the IR
K.
image density or brightness
L.
mAs
M.
30%
Type the Answer that corresponds to the displayed Question.
incorrect
14.
Beam restriction and density are related how?
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15.
What is the controlling factor of density in digital?
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16.
How are filtration and density related?
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17.
FSS can affect density how on an improperly calibrated machine?
Type the Question that corresponds to the displayed Answer.
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18.
the degree of overall blackening from the black metallic silver deposited in the emulsion
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19.
digital processing that produces changes in density/brightness

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