ARRT Fluoroscopy Questions With Complete Solutions
A .25 mm lead equivalent apron worn during a mobile fluoro
exam will attenuate approximately how much scatter? Correct
Answers 51%
A .5mm lead equivalent apron worn during a mobile fluoro
exam will attenuate approximately how much scatter? Correct
Answers 75%
A 1.00 mm lead equivalent apron worn during a mobile fluoro
exam will attenuate how much scatter? Correct Answers 94%
A 2.0 mm copper filter reduces the dose by what percent?
Correct Answers 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? Correct Answers 0.1%
A violation of any part of the "California control regulations"
could be charged with what? Correct Answers 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? Correct Answers 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? Correct Answers
2.5 mm aluminum or aluminum equivalent
Acute radiation dermatitis results from an exposure of how
many rads? Correct Answers 200-800 rads
At what angle is the maximum intensity of scatter radiation
received for under the table fluoroscopy? Correct Answers 135°
and 120° from primary beam
At what angles from the table does the least scatter interactions
occur? Correct Answers 45°, 60°, and 90° from the primary
beam
At what dose will temporary sterility occur? Correct Answers
30 rads
Compared to a barium enema, how long would it take you to
receive the same dose from natural background radiation?
Correct Answers 2.7 years
Digital fluoroscopy should operate in which mode? Correct
Answers Pulsed mode
During cineangiography, what current does the tube range from?
Correct Answers 100-1000 mA
During fluoroscopy, what mode does the x-ray tube operate in?
Correct Answers Radiographic mode
A .25 mm lead equivalent apron worn during a mobile fluoro
exam will attenuate approximately how much scatter? Correct
Answers 51%
A .5mm lead equivalent apron worn during a mobile fluoro
exam will attenuate approximately how much scatter? Correct
Answers 75%
A 1.00 mm lead equivalent apron worn during a mobile fluoro
exam will attenuate how much scatter? Correct Answers 94%
A 2.0 mm copper filter reduces the dose by what percent?
Correct Answers 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? Correct Answers 0.1%
A violation of any part of the "California control regulations"
could be charged with what? Correct Answers 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? Correct Answers 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? Correct Answers
2.5 mm aluminum or aluminum equivalent
Acute radiation dermatitis results from an exposure of how
many rads? Correct Answers 200-800 rads
At what angle is the maximum intensity of scatter radiation
received for under the table fluoroscopy? Correct Answers 135°
and 120° from primary beam
At what angles from the table does the least scatter interactions
occur? Correct Answers 45°, 60°, and 90° from the primary
beam
At what dose will temporary sterility occur? Correct Answers
30 rads
Compared to a barium enema, how long would it take you to
receive the same dose from natural background radiation?
Correct Answers 2.7 years
Digital fluoroscopy should operate in which mode? Correct
Answers Pulsed mode
During cineangiography, what current does the tube range from?
Correct Answers 100-1000 mA
During fluoroscopy, what mode does the x-ray tube operate in?
Correct Answers Radiographic mode
