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ch 10 Faber

Rad 177 Faber CH 10 review

QuestionAnswer
What portion of the intensifier is composed of cesium iodide? input phosphor(pg 272 Image intensification)
Which component of the image intensifier is comprised of negatively charged electrodes plated on the inner surface of the glass envelope? electrostatic focusing lenses(Pg 272 Image intensification)
Which component of the image intensifier emits electrons in response to light stimulus? photocathode (Pg 272 Image intensification)
What part of the image intensifier will attract the electrons and increase their kinetic energy? accelerating anode (Pg 272 Image intensification)
What will occur if the voltage to the electrostatic focusing lenses is increased? magnification of the image(Pg 275 Magnification Mode)
What portion of the TV camera tube will conduct electrons when illuminated? electron gun (Pg 278 Television cameras)
A signal is received by the monitor from which part of the TV camera tube? signal plate (Pg 280 fig. 10-7B)
Which display monitor design used nematic liquid crystals? LCD (Pg 292 fig. 10.19/viewing systems)
The maximum air kerma rate for fluoroscopy is: 10 R/min (pg 291 Dose Monitoring)
The ratio of the number of light photons at the output phosphor to the number at the input phosphor equals: minification gain. (Pg 274 Brightness Gain)
What fluoroscopic operation is defined as the number of exposures per second? pulse rate (Pg 289 Pulsed Fluoroscopy)
The ability to adjust the collimator without exposing the patient to additional radiation is known as: virtual collimation (Pg 287 fluoroscopic features)
What fluoroscopic feature defines the exposure length of time during pulsed fluoroscopy? pulse width (Pg 289 Pulsed Fluoroscopy)
Which fluoroscopic features will minimize patient radiation exposure? frame averaging (Pg 287 fluoroscopic features)
Created by: Gabipattie
 

 



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