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Carlton Adler Chapter 33 Fluoroscopy test (63 questions and answers).
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Carlton Adler Chapter 33 Fluoroscopy test (63 questions and answers).
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Carlton Adler Chapter 33:Fluoroscopy test (63 questions
and answers)
Compared to standard radiography, fluoro is: - answer Dynamic
Diagnosis in fluoro is: - answer Active; during the exam
The fluoroscopic screen is the: - answer IR displayed on a monitor
On a C-arm, the IR and tube remain in alignment: - answer All the time
Carriage: - answer The arm that supports the equipment suspended
over the table
Two types of fluoro equipment: - answer Over and under-table units
Fluoro mA range is: - answer 0.5-5 mA --designed to be operated for
longer times @ lower mA
, The tube target is fixed so the SOD can be no less than: - answer 15" -
stationary
12" -mobile
Our visual acuity is controlled by the cones in our eyes, which require
what sort of light to function? - answer Photopic (daylight) --which is
about 10x greater than scotopic acuity
Why is an image intensifier necessary? - answer To electronically
amplify the brightness of an image. It's capable of increasing the
brightness by 500-8000x
What is used to accelerate and focus the electrons in the image
intensifier? - answer Electrostatic lenses
What is the term for the focusing and accelerating of the beam? -
answer Brightness gain
Which covers a greater area: the input or output screen? - answer Input
Where is the photocathode located? - answer Behind the input screen.
It will absorb light photons and emit electrons in proportion
The output screen absorbs _____ and emits ______. - answer Electrons;
light photons
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