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Imaging Test

Enter the letter for the matching
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1.
The amount of _______ is a result of the relationship among the size of the focal spot, SID and OID.
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2.
When possible, the distance between the area of interest and the image receptor should be kept to a ________
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3.
As SID increases, size distortion magnification ________
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4.
Focal spot size is determined by?
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5.
____________ made just under the limit over a long period can still jeopardize the life of the x-ray tube.
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6.
When calculating the amount of unsharpness, keep the distance in the same units (I.e., inches or centimeters) this will cancel the units and result in
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7.
Radiographic images of objects are always ______ in terms of the true object size.
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8.
In addition to the SID, the OID also affects the amount of
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9.
As OID decreases, size distortion _________
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10.
When _______ is created between the area of interest and the image receptor, they diverging beam records ________ unsharpness within the image
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11.
Small focal sizes are usually ________mm
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12.
SID - OID=
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13.
Blur is the most detrimental Factor to maximizing ______
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14.
The exposure is limited with a _________
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15.
The distance between the area of interest and the image receptor has a greatest effect on the amount of ________
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16.
You have to weigh the importance of improved recorded detail for a particular exam or anatomic part against the amount of __________ used.
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17.
___________ is achieved by maximizing the amount of recorded detail in minimizing the amount of distortion.
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18.
The distance between the area of interest in the image receptor has a greatest effect on the amount of geometric unsharpness recorded than does
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19.
Large focal sizes are usually _________mm
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20.
The _______________ indicates how much size distortion is demonstrated.
A.
Decreases
B.
Optimal geometric quality.
C.
Geometric unsharpness.
D.
SOD
E.
Distance; increased
F.
Minimum
G.
Magnification factor (MF)
H.
Detail
I.
Magnified
J.
The unsharpness unit in millimeters
K.
Small focal size.
L.
Geometric unsharpness
M.
1.0 to 1.2 mm
N.
Repeated exposures
O.
0.5 to 0.6 mm
P.
Filament size
Q.
Focal spot size or SID
R.
Radiation exposure.
S.
Decreases
T.
Unsharpness
Type the that corresponds to the displayed .
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21.
When the image is distorted, detail is ______
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22.
In general, the smallest focal spot size available should be used in every _______
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23.
A __________ cannot be the exact reconstruction of the anatomic structure.
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24.
Focal spot size X OID / SOD =
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25.
The __________ referred to the sharpness of structural line recorded in the image.
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26.
As OID increases, size distortion ( magnification) _________
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27.
The relationship among the variables of focal spot size and distance can be demonstrated by the geometric unsharpness _______
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28.
Except for chest and cervical spine exams, a 40 inch or 48 inch SID is the _____
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29.
Focal spot size only affects recorded _______
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30.
MF

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