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WorksheetsDigital Radiography
Total questions: 12
Worksheet time: 6mins
Name
Class
Date
1.
What does CR mean?
a)
Computed Tomography
b)
Computerized Radiography
c)
Computed Radiography
d)
Computer Radiography
2.
What does DR mean?
a)
Digitized Radiology
b)
Digital Radiography
c)
Digital Resonance
d)
Digitized Resonance
3.
What is a scintillator?
a)
Absorbs light and converts energy to x-rays
b)
Absorbs light and converts to light
c)
Absorbs x-rays and converts energy to light
d)
Absorbs x-rays and converts to carbon
4.
What is a PSP?
a)
Photodiode Stimulator
b)
Photostimulable x-ray table
c)
Photodiode Phosphor plate
d)
Photostimulable Phosphor Plate
5.
What are the layers of a CR Imaging Plate?
a)
Protective, Conducive, Reflective, Protective, Intensifying screen
b)
Protective, phosphor, conductor, support, shield, backing
c)
Protective, phosphor, reflective, support
d)
Phosphor, conductive, support, reflective, intensifying screen
6.
What is the scintillation phosphor typically used in the indirect conversion of DR?
a)
CsI
b)
a-Si
c)
a-Se
d)
all of the above
7.
What does DICOM mean?
a)
Digital imaging and contrast manufacturing
b)
Digressive communications imaging
c)
Digital imaging and communications in medicine
d)
digital imaging and contrast in medicine
8.
The phosphor most likely used in indirect (CR) radiography is:
a)
CsI
b)
Nal
c)
a-Se
d)
BaFlBr:Eu
9.
Digitizing an analog image using a digitizer can be accomplished in what two ways?
a)
Light-based and CCD
b)
Laser-based and light-based
c)
Laser-based and CCD
d)
CCD and TFT
10.
What are the two types of Direct Readout Digital Radiography?
a)
Indirect Scintillator and Direct Photoconductor
b)
Indirect Scintillator and Direct Scintillator
c)
Indirect Photoconductor and Direct Photoconductor
d)
Indirect Photoconductor and Direct Scintillator
11.
What is the photoconductor material typically used in the direct conversion of digital radiography?
a)
a-Se
b)
a-Si
c)
CsI
d)
NaCl
12.
In DR, where are the electrical charges stored?
a)
Thin Plate Transistors TPTs
b)
Titanium Film Transistors TFTs
c)
Thin Film Transistors TFTs
d)
Thin Photodiode Transistors TPTs
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