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key words

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
Artifact   show
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show radiation from the cassette back and the cassette tray that is scattered back toward the film  
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Digital imaging   show
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show one of the two types of digital imaging systems; is cassetteless. The phosphor is bonded to a flat panel detector built into the x-ray table or chest board  
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show detectors convert the x-ray energy directly to an electric signal through an amorphous selenium detector  
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Indirect conversion   show
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show a device that glows when hit by the high-energy x-ray photons and often is made of cesium iodide  
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Photostimulable phosphor   show
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show image comprised of continuous shades of gray from black to white  
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show an array of small picture elements (pixels) that forms a matrix; each pixel is recorded as one numerical value representing one shade of gray quantization)  
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Spatial resolution (digital)   show
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Image size (digital)   show
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show range of exposures over which a detector can acquire image data and display contrast comparable to film latitude  
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Contrast resolution (digital)   show
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Windowing   show
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show a part of windowing that adjusts the brightness; it identifies the type of tissue to be in focus (soft tissue or bone)  
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Window width   show
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Solarization   show
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EI# - Exposure index number   show
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S# - Sensitivity number   show
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Post processing   show
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ALARA   show
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Picture archival and communication system (PACS)   show
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Computed radiography   show
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Radiolucent   show
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Created by: mdtodd
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