RTBC - COMPUTER RADIOGRAPHY
EXAM QUESTIONS AND ANSWERS
100% CORRECT
Cassette-based radiography is also called
1) direct radiography
2) computed radiography
3) computed tomography
4) fluoroscopy - ANSWER-2
The plate reader used in computer radiography (CR) is also called the
1) digitizer
2) thin-film transistor TFT
3) scintillator
4) charge-coupled device (CCD) - ANSWER-1
Luminescence refers to a release of
1) an electrical signal
2) a magnetic field
3) light photons
4) x-ray photons - ANSWER-3
The outer cassette of a computed radiography (CR) imaging system is made up of what
materials?
1) carbon fibers
2) rare-earth metals
3) photo-stimulable phosphor (PSP)
4) amorphous selenium (a-Se) - ANSWER-1
What layer of a computed radiography (CR) imaging plate captures x-ray energy
transmitted through the patient?
1) protective layer
2) phosphor layer
3) conductive layer
4) light shield layer - ANSWER-2
The phosphor layer in a computed radiography (CR) imaging plate is mostly composed
of
1) barium fluorohalides
2) amorphous selenium (a-Se)
3) amorphous silicon
4) cesium iodide - ANSWER-1
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