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rad107

QuestionAnswer
A single-phase waveform has _____ ripple. 100%
Rectifiers are located in which section of the circuit? high voltage section
Radiation ___________ is intensity and radiation _______ is x-ray penetrability. quantity; quality
The _______ is inside the glass envelope. anode and cathode
The heel effect is caused by the anode angle
The _________ circuit provides electrons for the x-ray tube current. filament
what is the principal source of noise on a radiographic image? scatter radiation
What are the principal characteristics of any medical image? Contrast resolution, noise, artifacts, and spatial resolution
A photostimulable phosphor in a metastable state will emit light immediately, when stimulated by light, and over time
Computed radiography imaging produces _____________ gray levels 10,000
The dynamic range determines the degree of __________________ in the image. contrast resolution
In CR, the capture element is the photostimulable phosphor (PSP)
Digital radiography is best described by which three elements? Capture, coupling, and collection
In digital radiography, spatial resolution is improved with increased matrix size
Which of the following is an indirect DR process by which x-rays are converted first to light and then to an electronic signal? Cesium iodide/charge coupled device (CsI/CCD)
Created by: lindseylaporte
 

 



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