FLUOROSCOPY ACTUAL TEST FULL
QUESTIONS AND CORRECT ANSWERS
EXAMPREP STUDY SHEET
●● (T/F) Persons who have been instructed in the safe operation of
fluoroscopic equipment must demonstrate competency at their place of
employment before they can operate fluoro equipment
Answer: True
●● Radiologists must hold:
Answer: Radiology supervisor and operator license
●● Physicians must hold:
Answer: Fluoroscopy supervisor and operator license
●● (directly/ indirectly) Fluoroscopic x-ray output, and patient dose, is
_______ proportional to the mA used.
Answer: directly
●● Tube current for regular, non-digital fluoroscopy typically ranges
between ___ to___ mA.
Answer: 1.0 - 5.0 mA
,●● During non-digital spot filming, the mA utilized is typically:
Answer: Over 100 mA
●● During digital spot filming, the mA utilized is typically between ___
to ___ mA:
Answer: 1-100 mA
●● As field of view is reduced with tighter collimation,
1. image will become brighter
2. image will not become brighter
3. image quality will be improved
4. image quality will be reduced
Answer: 2 and 3
●● Fluoroscopic table tilt for fixed units is ____degrees to the upright
position and ___ degrees in the Trendelenburg position.
Answer: 90; 30.
●● The exposure rate measured at the panel or tabletop shall be as low
as practicable and may not exceed ____ rads per minute. This converts
to _____ Gyt.
Answer: 5 rads ; .05 Gyt
, ●● In fluoroscopic systems equipped with automatic brightness control
and under the table x-ray tube, as the image intensifier is moved away
from the patient:
1. patient dose decreases
2. patient dose increases
3. more x-rays are intercepted at the image intensifier
4. fewer x-rays are intercepted at the image intensifier
Answer: 2 and 4
●● a dead-man type fluoroscopic switch:
1. terminates the exposure when pressure is applied
2. terminates the exposure when pressure is released
3. can be operated by the foot switch
Answer: 2 and 3
●● The blurring of the image as the fluoroscopic camera is moved
rapidly during a procedure is called _________
Answer: Tube Lag
●● A fall-off in brightness at the periphery (edges) of an image is called:
Answer: vignetting
●● Which of the following are true?
QUESTIONS AND CORRECT ANSWERS
EXAMPREP STUDY SHEET
●● (T/F) Persons who have been instructed in the safe operation of
fluoroscopic equipment must demonstrate competency at their place of
employment before they can operate fluoro equipment
Answer: True
●● Radiologists must hold:
Answer: Radiology supervisor and operator license
●● Physicians must hold:
Answer: Fluoroscopy supervisor and operator license
●● (directly/ indirectly) Fluoroscopic x-ray output, and patient dose, is
_______ proportional to the mA used.
Answer: directly
●● Tube current for regular, non-digital fluoroscopy typically ranges
between ___ to___ mA.
Answer: 1.0 - 5.0 mA
,●● During non-digital spot filming, the mA utilized is typically:
Answer: Over 100 mA
●● During digital spot filming, the mA utilized is typically between ___
to ___ mA:
Answer: 1-100 mA
●● As field of view is reduced with tighter collimation,
1. image will become brighter
2. image will not become brighter
3. image quality will be improved
4. image quality will be reduced
Answer: 2 and 3
●● Fluoroscopic table tilt for fixed units is ____degrees to the upright
position and ___ degrees in the Trendelenburg position.
Answer: 90; 30.
●● The exposure rate measured at the panel or tabletop shall be as low
as practicable and may not exceed ____ rads per minute. This converts
to _____ Gyt.
Answer: 5 rads ; .05 Gyt
, ●● In fluoroscopic systems equipped with automatic brightness control
and under the table x-ray tube, as the image intensifier is moved away
from the patient:
1. patient dose decreases
2. patient dose increases
3. more x-rays are intercepted at the image intensifier
4. fewer x-rays are intercepted at the image intensifier
Answer: 2 and 4
●● a dead-man type fluoroscopic switch:
1. terminates the exposure when pressure is applied
2. terminates the exposure when pressure is released
3. can be operated by the foot switch
Answer: 2 and 3
●● The blurring of the image as the fluoroscopic camera is moved
rapidly during a procedure is called _________
Answer: Tube Lag
●● A fall-off in brightness at the periphery (edges) of an image is called:
Answer: vignetting
●● Which of the following are true?
