Exam (elaborations)
ARRT Fluoroscopy.
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Exam of 4 pages for the course System of Equations and Inequalities at System of Equations and Inequalities (ARRT Fluoroscopy.)
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ARRT FluoroscopyA .25 mm lead equivalent apron worn during a mobile fluoro exam will attenuate
approximately how much scatter? - ANS-51%
A .5mm lead equivalent apron worn during a mobile fluoro exam will attenuate
approximately how much scatter? - ANS-75%
A 1.00 mm lead equivalent apron worn during a mobile fluoro exam will attenuate how
much scatter? - ANS-94%
A 2.0 mm copper filter reduces the dose by what percent? - ANS-70%
A fluoroscopic operator standing 3 feet from the source of the x-ray beam receives what
percentage of the patient's entrance skin dose? - ANS-0.1%
A violation of any part of the "California control regulations" could be charged with
what? - ANS-Misdemeanor
According to California's RHB, you are required to notify a patient within 24 hours if an
individual has received what kind of dose? - ANS-A total effective dose exceeding five
rems, an eye dose equivalent exceeding 15 rems, and/or a shallow dose equivalent to
skin or extremities exceeding 50 rems
According to federal regulations, what is the minimum required half value layer for
fluoroscopy at 80 kVp? - ANS-2.5 mm aluminum or aluminum equivalent
Acute radiation dermatitis results from an exposure of how many rads? - ANS-200-800
rads
At what angle is the maximum intensity of scatter radiation received for under the table
fluoroscopy? - ANS-135° and 120° from primary beam
At what angles from the table does the least scatter interactions occur? - ANS-45°, 60°,
and 90° from the primary beam
At what dose will temporary sterility occur? - ANS-30 rads
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