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RADT 465: Image Eval Test

Enter the letter for the matching Answer
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1.
Pneumonia requires a ___________ in exposure factors.
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2.
For the same FOV, spatial resolution will be improved by using a __________ matrix.
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3.
Using fixed mAs and a variable kV, each centimeter increase in patient thickness requires what kV adjustment?
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4.
Focal spot blur is greatest toward the __________ end of the x-ray tube.
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5.
The luminescent light emitted by the PSP is transformed into the image seen on the CRT by the ________.
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6.
The technologist can reduce scatter by using the smallest possible ___________ ________.
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7.
Recorded detail is __________ related to SID.
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8.
Grid interspace material is made of ______________ and _______ ______.
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9.
Having a patient will congestive heart failure, an ___________ in exposure factors will be required.
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10.
mAs is __________ related to patient dose.
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11.
What is the correct order of radiographic film processing?
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12.
The term windowing describes the practice of changing the image ____________ and/or ___________ scale.
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13.
_______ _________ is the absorption of useful radiation by a grid.
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14.
________________ is the reduction of x-ray photon intensities as the photons pass through materials.
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15.
During CR imaging, the latent image present on the PSP is changed to a computerized image by the _______.
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16.
Diagnostic x-rays are generally associated with _________ frequency and ____________ wavelength.
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17.
Give 3 examples of appropriate methods of minimizing motion unsharpness.
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18.
As the laser beam size decreases, the CR _______________ will increase.
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19.
Compared with a low-ratio grid, a high-ratio grid will absorb more ____________ and _____________ radiation.
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20.
As the crystal size decrease in a ______ system, it will cause an increase in CR resolution.
A.
Increase (Saia, Lange Q&A, pg. 201, 238).
B.
High, short (Saia, Lange Q&A, pg. 210, 248).
C.
Aluminum, plastic fiber (Saia, Lange Q&A, pg. 196, 233).
D.
Directly (Saia, Lange Q&A, pg. 207, 246).
E.
Resolution (Saia, Lange Q&A, pg. 201, 238).
F.
Cathode (Saia, Lange Q&A, pg. 207, 246).
G.
Developer, fixer, washer, dryer (Saia, Lange Q&A, pg. 209, 247).
H.
Larger (Saia, Lange Q&A, pg. 205, 242).
I.
Field size (Saia, Lange Q&A, pg. 205, 242).
J.
Suspended respiration, short exposure time, and good patient instruction (Saia, Lange Q&A, pg. 198, 236).
K.
Brightness, contrast (Saia, Lange Q&A, pg. 198, 235).
L.
Increase (Saia, Lange Q&A, pg. 207, 245).
M.
PSP (Saia, Lange Q&A, pg. 201, 238).
N.
Attenuation (Saia, Lange Q&A, pg. 209, 248).
O.
Increase kV by 2 (Saia, Lange Q&A, pg. 199, 236).
P.
ADC (analog digital converter) (Saia, Lange Q&A, pg. 206, 244).
Q.
Scattered, primary (Saia, Lange Q&A, pg. 200, 237).
R.
ADC (analog digital converter) (Saia, Lange Q&A, pg. 197, 235).
S.
Grid cutoff (Saia, Lange Q&A, pg. 206, 243).
T.
Directly (Saia, Lange Q&A, pg. 196, 233).

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