Fluoroscopy Exam Questions and Answers- Updated 2024Fluoroscopy
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Course
Fluoroscopy
Institution
Fluoroscopy
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 _...
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
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