Digital Radiography and PACS - FINAL- (Chapter 1,2,3,4,5,6,7,8,9,12,13). Questions with correct answers

Digital Radiography and PACS - /\ /\ /\ /\ /\




FINAL- (Chapter /\ /\




1,2,3,4,5,6,7,8,9,12,13). /\




Questions with correct answers /\ /\ /\




Film and intensifying screens are primarily used in: - CORRECT
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ANSWERS ✔✔conventional radiography /\ /\




Intensifying screens: - CORRECT ANSWERS ✔✔emit light.
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Which modality was the first to use the principle of digital
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imaging? - CORRECT ANSWERS ✔✔Computed tomography (CT)
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Who was the first to incorporate digital imaging with the CT
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scanner? - CORRECT ANSWERS ✔✔Godfrey Hounsfield
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Teleradiology, moving images via telephone lines to and from/\ /\ /\ /\ /\ /\ /\ /\ /\



remote locations, was first conceptualized by: - CORRECT
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ANSWERS ✔✔Albert Jutras. /\ /\




The first commercial CT scanners could image the: - CORRECT
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ANSWERS ✔✔head only /\ /\




In which decade was MRI first introduced? - CORRECT ANSWERS
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✔✔1980s

,Early picture archival and communication systems were first
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developed: - CORRECT ANSWERS ✔✔by the U.S. military. /\ /\ /\ /\ /\ /\ /\




Teleradiography incorporated_________ to produce radiographic /\ /\ /\ /\ /\



images. - CORRECT ANSWERS ✔✔telephone lines /\ /\ /\ /\ /\




One of the early goals related to the development of PACS was
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to: - CORRECT ANSWERS ✔✔provide a means to move battlefield
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images to an established hospital. /\ /\ /\ /\




CR acquires an image through: - CORRECT ANSWERS ✔✔the use of
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a storage phosphor plate
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The active element in a storage phosphor is: - CORRECT
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ANSWERS ✔✔barium fluorohalide /\ /\




In reference to PSP image capture, to release the latent image,
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which of the following devices is scanned over the phosphor
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plate? - CORRECT ANSWERS ✔✔Focused laser light
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A look-up table maps: - CORRECT ANSWERS ✔✔image gray scale
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values.


With conventional radiography, optical density is primarily
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controlled by: - CORRECT ANSWERS ✔✔milliampere-seconds. /\ /\ /\ /\ /\

, T/F - Light exposing the filim is in direct proportion to the amount
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and energy of the incident photon upon the screen - CORRECT
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ANSWERS ✔✔True /\




The earliest CT of the head took several hours to acquire a single
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slice of information. - CORRECT ANSWERS ✔✔True
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Similar to CR, DR can use the existing diagnostic equipment found
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in today's imaging departments - CORRECT ANSWERS ✔✔False
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A Bucky apparatus is required for DR. - CORRECT ANSWERS
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✔✔False


Many PACS reading stations also have image-processing
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capabilities. - CORRECT ANSWERS ✔✔True /\ /\ /\ /\




Multiple numeric values divided into an array of small elements
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capable of being processed is the is definition of ________
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images. - CORRECT ANSWERS ✔✔digital /\ /\ /\ /\




The continuous and varying levels of brightness and colors
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describes _________images - CORRECT ANSWERS ✔✔digital
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Each square in a matrix is called a: - CORRECT ANSWERS
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✔✔picture element. /\