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Image Acquisition Test

Enter the letter for the matching Answer
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1.
Grid interspace material is made up of what?
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2.
the luminescent light emitted by the PSP is transformed into the image seen on the CRT by the
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3.
a particular mAs value, regardless of the combination of the mA and time, will reproduce the same radiographic density, this is a statement of the
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4.
Unopened boxes of radiographic film should be stored away from radiation and
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5.
In a duration of 0.05 second was selected for an exposure what mA would be necessary to produce 30 mAs?
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6.
the purpose of the electroconductive layer of the CR PSP plate is to
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7.
the direction of electron travel in the xray tube is
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8.
SId affects recorded detail in which of the following ways?
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9.
a radiograph made with a parallel grid demonstrates decreased density on its lateral edges. this is most likely due to
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10.
which of the following technical change would best serve to remedy the effect of very dissimilar tissue densities
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11.
The term windowing describes the practice of
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12.
during CR imaging, the latent image present on the PSP is changed to a computerized image by the
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13.
what does not affect the exposure rate of the primary beam?
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14.
a patient with Congestive heart failure has to have what done to the technique for a PA chest Xray?
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15.
At what portion of the xray beam is the effective focal spot the largest?
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16.
because of the anode heel effect the intensity of the xray beam is greatest along the
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17.
what is the purpose of the thin layer of lead that is often location in the rear portion of the IP
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18.
foreshortening can be caused by
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19.
the intensity of ionizing radiation decreases as
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20.
diagnostic xrays are generally associated with
A.
cathode to anode
B.
in the vertical position
C.
the radiographic object being placed at an angle to the IR
D.
reciprocity law
E.
high frequency and short wavelength
F.
distance from the source of radiation increases
G.
directly related
H.
field size
I.
ADC (analog to digital converter)
J.
Increase
K.
to prevent scatter radiation
L.
changing the image brightness and/or contrast scale
M.
high KV exposure factors
N.
at the cathode end
O.
decreased SID
P.
600 mA
Q.
Aluminum and plastic fiber
R.
facilitate transportation through the scanner/reader
S.
cathode end of the beam
T.
ADC
Type the Answer that corresponds to the displayed Question.
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21.
the relationship between the height of a grid's lead strips and the distance between them is referred to as grid
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22.
the xray image seen on the computer display monitor is a
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23.
Misalignment of the tube-part-IR relationship results in
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24.
the reduction in xray photon intensity as the photon passes through material is termed
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25.
in digital imaging, TFT DEL size is related to
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26.
How are mAs and patient dose related?
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27.
The component of a CR image plate that records the radiologic image is
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28.
the absorption of useful radiation by a grid is called
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29.
the accessory used to measure the thickness of body parts in order to determine optimal selection of exposure factors is the
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30.
for the same FOV the spatial resolution will be improved using

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Created by: jfwoodard
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