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Exam 1

Imaging Equipment

QuestionAnswer
kVp determines the ______ of the X-ray beam? quality
mAs determines the ______ of the x-ray beam? quantity
Single-phase waveform has what ripple? 100%
three main parts of the x-ray imaging system? x-ray tube, high voltage generator, and operating console
Where is the step-down transformer located? in the filament circuit
What is the most common cause of tube failure? tungsten vaporization
Sequence of events for the production of a PSL signal? Expose stimulate, read, erase
What does bit represent? 0 or 1
Computed radiography screens respond to radiation with what? photostimulable luminescence
Digital radiography was first introduced by? Fuji in 1981
Spatial resolution is determined by the ratio of ________________ to ____________ field of view to matrix size
In digital radiography, the brightness of the image is determined by what? pixel values
Digital radiography is best described by what three elements? capture, coupling, and collection
dynamic range determines the degree of what in the image? contrast resolution
Scanned projection radiography differs from conventional radiography in the lack of what? scattered x-rays
Created by: ashleymarshall
 

 



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