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Rad Protection Procs Test

Enter the letter for the matching Answer
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1.
The PBL must be accurate to within ___% of the SID
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2.
All diagnostic x-ray beams must have a total filtration of at least ____ when operated above 70 kVp
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3.
1/16 of lead is equivalent to ___ inches of masonry.
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4.
What is the dose limit for occupational exposure (effective dose)
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5.
Nonoccupationally exposed
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6.
The percentage of time during which the x-ray beam is on and directed toward a particular wall is called _____ ______.
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7.
The instrument of choice for measuring radiation intensity in areas around a fluoroscope is called the _________ ________.
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8.
Define major organogenesis.
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9.
The bucky slot cover for fluoroscopic units should be at least ___ equivalent.
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10.
An __________ ______ can be occupied by anyone.
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11.
The image intensifier assembly serves as a primary protective barrier and must be ___ equivalent.
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12.
_______________ is the emission of light by a thermally stimulated crystal following irradiation.
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13.
TLDs can be worn for intervals up to _______
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14.
General population dose limit (INFREQUENT) is:
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15.
Radiographic tubes operated between 50 and 70 kVp must have at least ___ of filtration.
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16.
Radiographic tubes operated below 50 kVp must at a minimum of ___ total filtration.
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17.
General population dose limit (FREQUENT) is:
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18.
The variation in x-ray exposure should not exceed ___%
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19.
Which cells are most radiosensitive?
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20.
Leakage radiation must be less than ___ at a distance of __ from the protective housing.
A.
Uncontrolled area
B.
2.5mm Al
C.
One year
D.
0.5mm Al
E.
1.5mm Al
F.
0.25mm Pb
G.
100 mR/hr, 1 meter
H.
2
I.
1/10 for that of radiation workers
J.
5
K.
Lymphocytes, spermatogonia, erythroblasts
L.
2mm Pb
M.
ion chamber
N.
TLD (thermoluminescence dosimetry)
O.
4
P.
50 mSv/yr
Q.
5 mSv/yr
R.
1 MsV/yr
S.
use factor
T.
2nd week to 10th week of pregnancy.
Type the Answer that corresponds to the displayed Question.
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21.
True or false: The TLD can only be used once.
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22.
Education and training exposure:
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23.
Entrance skin exposure is most often referred to as ____________ ___________.
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24.
An area occupied primarily by radiology personnel and patients is called a _________ ____.
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25.
The level of radiation activity in a room is known as _______.
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26.
Dose limit for pregnant technologist:
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27.
_________ speed rather than _________ speed controls patient dose.
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28.
The total filtration of the fluoroscopic x-ray beam must be at least ___ equivalent.
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29.
The protective curtain or panel of a fluoroscopic unit must be at least ___ equivalent.
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30.
A reduction in either noise or slice thickness, while other factors remain constant, _________ patient dose.

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