EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024
Fluoroscopy exam Questions and
Answers- Updated 2024
Total filtration permanently required in the useful fluoroscopic beam should not be less than -
Answer✔✔-2.5mm Aluminum
If X-ray source is below the table, useful beam exposure must be measured at what distance
above the table top - Answer✔✔-30 cm
Table top exposure rates for units without auto exposure control must be measured every -
Answer✔✔-3 years
Dark adaptation for the eye takes how long - Answer✔✔-30 minutes
Target-to-tabletop distance must be greater than and should be greater than... - Answer✔✔-12
and 18 inches
Integration time for brain to recognize an object - Answer✔✔-0.2 seconds
Most scatter occurs at which direction from the primary beam - Answer✔✔-135 degrees
mA setting for spot filming where a spot film camera is not used - Answer✔✔-150 mA
Greatest dose to the patient comes from spot filming cameras using this film size - Answer✔✔-
105 mm
Page 1/16
,EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024
SI unit analogous to the rad is - Answer✔✔-Gray
_________ is a variation in density resulting from the random spatial distribution of quanta. -
Answer✔✔-Quantum sink
SI unit analogous to the rem - Answer✔✔-Sievert (unit)
Exposure reduction of .25 mm lead - Answer✔✔-97%
Scattered radiation received is proportional to - Answer✔✔-Dose received by the patient
Most effective medium for static viewing in terms of reducing patient dose - Answer✔✔-Video
disc recorder
Contrast of the image intensifying tube is measured by - Answer✔✔-conversion factor
maximum magnification for cinefluorography is done via which method - Answer✔✔-total over
framing
Ratio of photons that leave the output phosphor to the number of Xray photons that strike the
input phosphor - Answer✔✔-Flux gain
Half value layer determines which characteristic of the Xray - Answer✔✔-Xray quality
Ability to distinguish separate objects in line pairs per mm - Answer✔✔-Resolving power
The portion of the image intensifier responsible for magnification - Answer✔✔-electrostatic
lenses
resolution of a 9 inch image intensifier tube - Answer✔✔-3.5 line pairs per millimeter
Page 2/16
, EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024
light photons intercepting when electrons strike a fluorescent screen forms a... - Answer✔✔-
Real image
Fluoro with a grid in place affects exposure rates how - Answer✔✔-1.5-2 x higher
Greatest radiosensitivity of fetus occurs when - Answer✔✔-2-8 weeks gestation
The quantity of the beam is controlled by which unit of measurement - Answer✔✔-
miliamperage
Which fluoroscopic method gives patient dose reduction of up to to 95%? - Answer✔✔-video
disc recorder
100erg/gram is equivalent to? - Answer✔✔-1 rad
Fluoro units with AECs or CINE cameras must have physicist calibration how often - Answer✔✔-
every year
Which imaging modality has the best resolution - Answer✔✔-Radiograph
Compared to the input phosphor, the image output phosphor is... - Answer✔✔-Smaller and
brighter
As spot film size increases, what happens to the patient dose? - Answer✔✔-Patient dose
increases
Unit used to specify the quality of an X-ray beam - Answer✔✔-HVL
cycles per time unit in a TV camera is known as... - Answer✔✔-bandwidth
Page 3/16
Fluoroscopy exam Questions and
Answers- Updated 2024
Total filtration permanently required in the useful fluoroscopic beam should not be less than -
Answer✔✔-2.5mm Aluminum
If X-ray source is below the table, useful beam exposure must be measured at what distance
above the table top - Answer✔✔-30 cm
Table top exposure rates for units without auto exposure control must be measured every -
Answer✔✔-3 years
Dark adaptation for the eye takes how long - Answer✔✔-30 minutes
Target-to-tabletop distance must be greater than and should be greater than... - Answer✔✔-12
and 18 inches
Integration time for brain to recognize an object - Answer✔✔-0.2 seconds
Most scatter occurs at which direction from the primary beam - Answer✔✔-135 degrees
mA setting for spot filming where a spot film camera is not used - Answer✔✔-150 mA
Greatest dose to the patient comes from spot filming cameras using this film size - Answer✔✔-
105 mm
Page 1/16
,EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024
SI unit analogous to the rad is - Answer✔✔-Gray
_________ is a variation in density resulting from the random spatial distribution of quanta. -
Answer✔✔-Quantum sink
SI unit analogous to the rem - Answer✔✔-Sievert (unit)
Exposure reduction of .25 mm lead - Answer✔✔-97%
Scattered radiation received is proportional to - Answer✔✔-Dose received by the patient
Most effective medium for static viewing in terms of reducing patient dose - Answer✔✔-Video
disc recorder
Contrast of the image intensifying tube is measured by - Answer✔✔-conversion factor
maximum magnification for cinefluorography is done via which method - Answer✔✔-total over
framing
Ratio of photons that leave the output phosphor to the number of Xray photons that strike the
input phosphor - Answer✔✔-Flux gain
Half value layer determines which characteristic of the Xray - Answer✔✔-Xray quality
Ability to distinguish separate objects in line pairs per mm - Answer✔✔-Resolving power
The portion of the image intensifier responsible for magnification - Answer✔✔-electrostatic
lenses
resolution of a 9 inch image intensifier tube - Answer✔✔-3.5 line pairs per millimeter
Page 2/16
, EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024
light photons intercepting when electrons strike a fluorescent screen forms a... - Answer✔✔-
Real image
Fluoro with a grid in place affects exposure rates how - Answer✔✔-1.5-2 x higher
Greatest radiosensitivity of fetus occurs when - Answer✔✔-2-8 weeks gestation
The quantity of the beam is controlled by which unit of measurement - Answer✔✔-
miliamperage
Which fluoroscopic method gives patient dose reduction of up to to 95%? - Answer✔✔-video
disc recorder
100erg/gram is equivalent to? - Answer✔✔-1 rad
Fluoro units with AECs or CINE cameras must have physicist calibration how often - Answer✔✔-
every year
Which imaging modality has the best resolution - Answer✔✔-Radiograph
Compared to the input phosphor, the image output phosphor is... - Answer✔✔-Smaller and
brighter
As spot film size increases, what happens to the patient dose? - Answer✔✔-Patient dose
increases
Unit used to specify the quality of an X-ray beam - Answer✔✔-HVL
cycles per time unit in a TV camera is known as... - Answer✔✔-bandwidth
Page 3/16
