Fluoro Exam 1 with verified detailed answers

Fluoro Exam 1 with verified detailed answers ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||




Fluoroscopy is a ____ x-ray examination - correct answer✔✔Dynamic, real time ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||




Fluoroscopy is primarily the domain of the - correct answer✔✔Radiologist ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||




Fluoroscopy is commonly used for observation of - correct answer✔✔Small bowel ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||




disorders



Fluoroscopic x-ray tube and image receptor are mounted - correct answer✔✔Coincident to ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||




each other ||\\|//||




The fluoroscopic carriage commonly supports the - correct answer✔✔Image receptor,
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power-assist drive controls, fluoroscopic & digital controls ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||




The mA range of Fluoro is commonly - correct answer✔✔0.5 - 5.0
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During Fluoro, the SOD on a fixed unit cannot be less than ___ inches - correct
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answer✔✔15



During fluoro image intestification, the primary x-ray beam exits the pt & strikes the ____
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of the image intensifier - correct answer✔✔Input screen
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The input screen ____ and emits ____ - correct answer✔✔X-ray photons, light photons
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The photocathode absorbs ___ and emits ____ - correct answer✔✔Light photons, electrons
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, Electrostatic lenses are used to accelerate and focus - correct answer✔✔Electrons ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||




The primary ___ occurs from the acceleration & focusing of the electron beam - correct
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answer✔✔Brightness gain ||\\|//||




The output screen absorbs ___ and emits ____ - correct answer✔✔Electrons , light
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photons



The input screen of an image intensifier is ___ in shape - correct answer✔✔Concave
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The shape of the image intensifier input screen helps control - correct answer✔✔Image
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distortion



The photocathode of an image intensifier is composed of ___ metals - correct
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answer✔✔Photoemissive



Electrostatic focusing lenses are actually - correct answer✔✔Charged electrodes ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||




Photoemissive materials absorbs ____ and emit ____ - correct answer✔✔Light photons, ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||




electrons



The greater the voltage supplied to the electrostatic lenses, the ___ the acceleration & the
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_____ the focal point to the - correct answer✔✔Greater, close
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Total brightness gain in an image intensifier is - correct answer✔✔A measure of the
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increase in image intensity, determined by minification, determined by flux gain
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