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Rad 370 Digital Imaging Final Exam Review Questions with 100% Correct Answers
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Rad 370 Digital Imaging Final Exam Review Questions with 100% Correct Answers
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Rad 370 Digital Imaging Final Exam ReviewQuestions with 100% Correct Answers
The two elements needed to convert light signals into an electrical signal while using indirect
capture DR are TFT and: - ✔️✔️photodiode
the x-ray absorber typically used in direct capture DR is - ✔️✔️photoconductor
how dark or light a digital imahe appears on a display - ✔️✔️brightness
QC - ✔️✔️quality control
qa - ✔️✔️Quality Assurance
CQI - ✔️✔️continuous quality improvement
contrast resolution - ✔️✔️ability to dstingusih gray levels on an image
spatail resolution - ✔️✔️number of pixel ultized in constuction of the image
dynamic range - ✔️✔️ratio of softest sound to loudest sound in musical instrument
automatic rescalling means that images are produced regardless of the amount of exposure
with - ✔️✔️uniform contrast and density
The active element in a storage phosphor is: - ✔️✔️barium fluorohalide
, the size of a pixel is determied by - ✔️✔️spatial resolution
A system's ability to respond to varying levels of exposure, resulting in more detail, is referred
to as: - ✔️✔️dynamic range
the longer an image is stored in the computed radiography cassette the - ✔️✔️more energy is
lost byu the electrons
lowpass filtering is also known as - ✔️✔️smoothing
Magnificaton iof the entore image at the workstation is termed - ✔️✔️zoom
proper patient demoghrpahic input is the responsibility of - ✔️✔️technologist
Photoconductors are materials that - ✔️✔️absorb x-rays and produce electrical charges.
Scintillators are - ✔️✔️phosphors that Produce light when absorbing X-rays
which of the followinf is used as a photoconductor - ✔️✔️a-Se
which of the following is not considered a scintillator - ✔️✔️a-Se
flat planel detectors that use indirecr conversion - ✔️✔️xrays to visible light
indirect conversion in flate planel detectors is - ✔️✔️2 step process
in CsI detectors - ✔️✔️There is very little light spread
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