CALIFORNIA RADIOGRAPHY
FLUOROSCOPY OPERATOR PRACTICE
TEST 2026 QUESTIONS WITH SOLUTIONS
GRADED A+
⩥ At minimum, which of the following personnel protective devices
must be worn during a fluoroscopic procedure?
1. leaded gloves
2. leaded glasses
3. leaded apron
4. thyroid sheilds. Answer: 3. leaded gloves
⩥ The timing of a cine camera shutters and emitted x-ray pulsed are
governed by?
1. the patient thickness/density
2. the framing frequency
3. automatic brightness control system
4. automatic exposure control. Answer: 2. the framing frequency
⩥ Light produced by incident x-ray exposure on a flat panel image
receptor plate (FPIR) is captured by the:
1. computer
,2. thin film transistor (TFT) array
3. scintillator
4. photodiode. Answer: 2. thin film transistor (TFT) array
⩥ When viewing a digital image, pixel bit depth will have a direct
influence on which quality factor?
1. scale of contrast
2. mottle
3. brightness
4. spatial resolution. Answer: 4. spatial resolution
⩥ What is the minimum amount of radiation protective material that
must cover the bucky slot?
1. 1.0 mm Al equiv.
2. 0.5 mm lead equiv.
3. 0.5 mm Al equiv.
4. 0.25 mm lead equiv.. Answer: 3. 0.5 mm Al equiv.
⩥ The best way for technologists to reduce occupational exposure is to
follow the principals of:
1. time
2. distance
3. shielding
,4. all of the above. Answer: 4. all of the above
⩥ Visible output from an image intensifier tube is transmitted to a TV
camera's CCD chip by which of the following methods?
1. lens coupling device
2. digital to analog converter
3. fiber optic tapered bundle
4. analog to digital converter. Answer: 1. lens coupling device
3. fiber optic tapered bundle
⩥ Which of the following "acronyms" is used to characterize the quality
of an x-ray beam?
1. HVL
2. mA
3. kV
4. kVp. Answer: 1. HVL
⩥ A special angiographic image post processing technique that
facilitates navigation of a guide wire through torturous vessels is called?
1. roadmapping DSA
2. temporal subtraction
3. energy subtraction
4. hybrid subtraction. Answer: 1. roadmapping DSA
, ⩥ Protective aprons must be worn if one is likely to receive _ or more:
1. 5 mrads/hr
2. 5 rad/hr
3. 5 mrads/min
4. 5 rads/min. Answer: 1. 5 mrads/hr
⩥ Which device serve to coordinate the events to retrace the exact image
on the television monitor as viewed on the output phosphor via the
vidicon camera?
1. camera control unit
2. cathode ray tube (CRT)
3. image intensifier
4. video camera. Answer: 1. camera control unit
⩥ When the magnification mode is used, an increase in image intensifier
resolution will increase from:
1. 10 lp/mm to about 14 lp/mm
2. 6 lp/mm to about 10lp/mm
3. 4 lp/mm to about 6lp/mm
4. 1 lp/mm to about 4lp/mm. Answer: 3. 4 lp/mm to about 6 lp/mm
FLUOROSCOPY OPERATOR PRACTICE
TEST 2026 QUESTIONS WITH SOLUTIONS
GRADED A+
⩥ At minimum, which of the following personnel protective devices
must be worn during a fluoroscopic procedure?
1. leaded gloves
2. leaded glasses
3. leaded apron
4. thyroid sheilds. Answer: 3. leaded gloves
⩥ The timing of a cine camera shutters and emitted x-ray pulsed are
governed by?
1. the patient thickness/density
2. the framing frequency
3. automatic brightness control system
4. automatic exposure control. Answer: 2. the framing frequency
⩥ Light produced by incident x-ray exposure on a flat panel image
receptor plate (FPIR) is captured by the:
1. computer
,2. thin film transistor (TFT) array
3. scintillator
4. photodiode. Answer: 2. thin film transistor (TFT) array
⩥ When viewing a digital image, pixel bit depth will have a direct
influence on which quality factor?
1. scale of contrast
2. mottle
3. brightness
4. spatial resolution. Answer: 4. spatial resolution
⩥ What is the minimum amount of radiation protective material that
must cover the bucky slot?
1. 1.0 mm Al equiv.
2. 0.5 mm lead equiv.
3. 0.5 mm Al equiv.
4. 0.25 mm lead equiv.. Answer: 3. 0.5 mm Al equiv.
⩥ The best way for technologists to reduce occupational exposure is to
follow the principals of:
1. time
2. distance
3. shielding
,4. all of the above. Answer: 4. all of the above
⩥ Visible output from an image intensifier tube is transmitted to a TV
camera's CCD chip by which of the following methods?
1. lens coupling device
2. digital to analog converter
3. fiber optic tapered bundle
4. analog to digital converter. Answer: 1. lens coupling device
3. fiber optic tapered bundle
⩥ Which of the following "acronyms" is used to characterize the quality
of an x-ray beam?
1. HVL
2. mA
3. kV
4. kVp. Answer: 1. HVL
⩥ A special angiographic image post processing technique that
facilitates navigation of a guide wire through torturous vessels is called?
1. roadmapping DSA
2. temporal subtraction
3. energy subtraction
4. hybrid subtraction. Answer: 1. roadmapping DSA
, ⩥ Protective aprons must be worn if one is likely to receive _ or more:
1. 5 mrads/hr
2. 5 rad/hr
3. 5 mrads/min
4. 5 rads/min. Answer: 1. 5 mrads/hr
⩥ Which device serve to coordinate the events to retrace the exact image
on the television monitor as viewed on the output phosphor via the
vidicon camera?
1. camera control unit
2. cathode ray tube (CRT)
3. image intensifier
4. video camera. Answer: 1. camera control unit
⩥ When the magnification mode is used, an increase in image intensifier
resolution will increase from:
1. 10 lp/mm to about 14 lp/mm
2. 6 lp/mm to about 10lp/mm
3. 4 lp/mm to about 6lp/mm
4. 1 lp/mm to about 4lp/mm. Answer: 3. 4 lp/mm to about 6 lp/mm
