EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024
Fluoroscopy Exam Questions and
Answers- Updated 2024Fluoroscopy
Fluoroscopy was developed so that radiologists could view ______________ images. -
Answer✔✔-dynamic
What is the milliamperage used during fluoroscopy? - Answer✔✔-≤5 mA
The image intensifier improved fluoroscopy by increasing image _________________. -
Answer✔✔-brightness
Image intensified fluoroscopy is performed at illumination levels similar to ________. -
Answer✔✔-radiograph viewing
Visual acuity in the eye is greatest at the ___________, where _____ are concentrated. -
Answer✔✔-fovea centralis, cones
The ability of the eye to detect differences in brightness levels is termed ___________. -
Answer✔✔-contrast perception
The _______ in the retina are stimulated by _______ light; the _______ are stimulated by
_______ light. - Answer✔✔-rods, low; cones, bright
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, EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024
With image intensification the light level is raised to ___________ vision. - Answer✔✔-photopic
X-rays that exit the patient and enter the image intensifier first interact with the _____. -
Answer✔✔-input phosphor
The output phosphor of the image intensifier is composed of ___________________. -
Answer✔✔-cesium iodide
The input phosphor converts _________ to _________. - Answer✔✔-electrons, light
The ____________ in the image intensifier emits electrons when it is stimulated by light
photons. - Answer✔✔-photocathode
The number of light photons emitted within the image intensifier is ____________ to the
amount of x-ray photons exiting the patient. - Answer✔✔-directly proportional
The kinetic energy of photoelectrons in the image intensifier is greatly increased by the
_____________________. - Answer✔✔-potential difference across the tube
Light produced at the output phosphor of the image intensifier has been increased __________
times in intensity. - Answer✔✔-50-75
Electrons hit the _______________ after exiting the anode. - Answer✔✔-output phosphor
The _______________ is the product of the minification gain and the flux gain. - Answer✔✔-
brightness gain
Page 2/8
Fluoroscopy Exam Questions and
Answers- Updated 2024Fluoroscopy
Fluoroscopy was developed so that radiologists could view ______________ images. -
Answer✔✔-dynamic
What is the milliamperage used during fluoroscopy? - Answer✔✔-≤5 mA
The image intensifier improved fluoroscopy by increasing image _________________. -
Answer✔✔-brightness
Image intensified fluoroscopy is performed at illumination levels similar to ________. -
Answer✔✔-radiograph viewing
Visual acuity in the eye is greatest at the ___________, where _____ are concentrated. -
Answer✔✔-fovea centralis, cones
The ability of the eye to detect differences in brightness levels is termed ___________. -
Answer✔✔-contrast perception
The _______ in the retina are stimulated by _______ light; the _______ are stimulated by
_______ light. - Answer✔✔-rods, low; cones, bright
Page 1/8
, EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024
With image intensification the light level is raised to ___________ vision. - Answer✔✔-photopic
X-rays that exit the patient and enter the image intensifier first interact with the _____. -
Answer✔✔-input phosphor
The output phosphor of the image intensifier is composed of ___________________. -
Answer✔✔-cesium iodide
The input phosphor converts _________ to _________. - Answer✔✔-electrons, light
The ____________ in the image intensifier emits electrons when it is stimulated by light
photons. - Answer✔✔-photocathode
The number of light photons emitted within the image intensifier is ____________ to the
amount of x-ray photons exiting the patient. - Answer✔✔-directly proportional
The kinetic energy of photoelectrons in the image intensifier is greatly increased by the
_____________________. - Answer✔✔-potential difference across the tube
Light produced at the output phosphor of the image intensifier has been increased __________
times in intensity. - Answer✔✔-50-75
Electrons hit the _______________ after exiting the anode. - Answer✔✔-output phosphor
The _______________ is the product of the minification gain and the flux gain. - Answer✔✔-
brightness gain
Page 2/8
