Fluoroscopy Exam UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS
Using fluoroscopy to position patients prior to taking routine radiographic films is______ by
the State of California, Radiologic Health Branch - CORRECT ANSWER Prohibited
(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 - CORRECT ANSWER True
Radiologists must hold: - CORRECT ANSWER Radiology supervisor and operator
license
Physicians must hold: - CORRECT ANSWER Fluoroscopy supervisor and operator
license
(directly/ indirectly) Fluoroscopic x-ray output, and patient dose, is _______ proportional to
the ma used. - CORRECT ANSWER directly
Tube current for regular, non-digital fluoroscopy typically ranges between ___ to___ ma. -
CORRECT ANSWER 1.0 - 5.0 ma
During non-digital spot filming, the ma utilized is typically: - CORRECT
ANSWER Over 100 ma
During digital spot filming, the ma utilized is typically between ___ to ___ ma: - CORRECT
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 - CORRECT ANSWER 2 and 3
Fluoroscopic table tilt for fixed units is ____degrees to the upright position and ___ degrees
in the Trendelenburg position. - CORRECT 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. - CORRECT
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 - CORRECT 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 - CORRECT ANSWER 2 and 3
The blurring of the image as the fluoroscopic camera is moved rapidly during a procedure is
called _________ - CORRECT ANSWER Tube Lag
A fall-off in brightness at the periphery (edges) of an image is called: - CORRECT
ANSWER vignetting
Which of the following are true?
1. X-ray tube may be energized by removing the interlocking mechanism
2. The fluoroscopic tube can be energized when in the parked position
3. Must be interlocked in order for the fluoroscopic tube to be energized
4. None of the above are true - CORRECT ANSWER 3. Must be interlocked in order
for the fluoroscopic tube to be energized
Fluoroscopic exposures should be "on" and then "off" as compared to a "continuous on" time
as doubling the exposure time will (increase, double, or triple) radiation dose to the patient
and operator. - CORRECT ANSWER double
The bucky slot cover and protective curtains/drapes must have a minimum of ______ mm of
_______ equivalency for adequate protection - CORRECT ANSWER 0.25 mm; Lead
The cumulative manual-reset timer may not exceed _______ minutes - CORRECT
ANSWER 5
(T/F) When the fluoroscopic time has exceeded a predetermined time, the cumulative
manual-reset timer must produce an audible signal and interrupt the x-ray beam - CORRECT
ANSWER TRUE
Excessive lighting in the fluoro room:
1. Helps perceive dim images brighter
QUESTIONS AND CORRECT ANSWERS
Using fluoroscopy to position patients prior to taking routine radiographic films is______ by
the State of California, Radiologic Health Branch - CORRECT ANSWER Prohibited
(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 - CORRECT ANSWER True
Radiologists must hold: - CORRECT ANSWER Radiology supervisor and operator
license
Physicians must hold: - CORRECT ANSWER Fluoroscopy supervisor and operator
license
(directly/ indirectly) Fluoroscopic x-ray output, and patient dose, is _______ proportional to
the ma used. - CORRECT ANSWER directly
Tube current for regular, non-digital fluoroscopy typically ranges between ___ to___ ma. -
CORRECT ANSWER 1.0 - 5.0 ma
During non-digital spot filming, the ma utilized is typically: - CORRECT
ANSWER Over 100 ma
During digital spot filming, the ma utilized is typically between ___ to ___ ma: - CORRECT
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 - CORRECT ANSWER 2 and 3
Fluoroscopic table tilt for fixed units is ____degrees to the upright position and ___ degrees
in the Trendelenburg position. - CORRECT 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. - CORRECT
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 - CORRECT 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 - CORRECT ANSWER 2 and 3
The blurring of the image as the fluoroscopic camera is moved rapidly during a procedure is
called _________ - CORRECT ANSWER Tube Lag
A fall-off in brightness at the periphery (edges) of an image is called: - CORRECT
ANSWER vignetting
Which of the following are true?
1. X-ray tube may be energized by removing the interlocking mechanism
2. The fluoroscopic tube can be energized when in the parked position
3. Must be interlocked in order for the fluoroscopic tube to be energized
4. None of the above are true - CORRECT ANSWER 3. Must be interlocked in order
for the fluoroscopic tube to be energized
Fluoroscopic exposures should be "on" and then "off" as compared to a "continuous on" time
as doubling the exposure time will (increase, double, or triple) radiation dose to the patient
and operator. - CORRECT ANSWER double
The bucky slot cover and protective curtains/drapes must have a minimum of ______ mm of
_______ equivalency for adequate protection - CORRECT ANSWER 0.25 mm; Lead
The cumulative manual-reset timer may not exceed _______ minutes - CORRECT
ANSWER 5
(T/F) When the fluoroscopic time has exceeded a predetermined time, the cumulative
manual-reset timer must produce an audible signal and interrupt the x-ray beam - CORRECT
ANSWER TRUE
Excessive lighting in the fluoro room:
1. Helps perceive dim images brighter
