The 'Imaging Equipment Fall Final part 2' quiz assesses knowledge on various aspects of radiographic imaging, including detail resolution, digital imaging techniques, and the physics of x-ray interactions. It's designed for learners aiming to deepen their understanding of imaging technology in a medical context.
Human eye
Radiographic film
Intensifying screen
Fluoroscopic screen
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Direct-to-digital radiography (DDR)
Digital fluoroscopy (DF)
Computed radiography (CR)
Indirect electronic radiography (IER)
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Compton event
Brems event
Photoelectric event
Coherent event
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1 second
1/2 second
1/10 second
1/30 second
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Digital matrix
Visible light image
Video signal
Laser image
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Calcium tungstate
Cesium iodide
Barium lead sulfate
Zinc cadmium sulfide
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1 only
2 only
3 only
1, 2, and 3
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Vignetting
Dimunition
Lateral dispersion
Modulation transfer
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1-5 mA
6-10 mA
25-100 mA
100-600 mA
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Latent image
X-ray image
Audible signla
Electronic image
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It has greater sensitivity at lower light levels
It is generally much smaller
It is less sensitive to mechanical stresses
It is associated with a reduced contrast resolution or low contrast detectability
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A lower contrast detectability and a reduced noise level
A higher speed of spot image acquisition and the ability to post process the image
An improved ability to eliminate patient motion and reduce patient exposures
Images with long scale contrast and higher spatial resolution
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A pair of negatively charged particles that are detected by a charged plate
An electron-hole pair that is detected by an array of thin-film transistors (TFT's)
A number of low energy secondary photons that are "burned" onto a laser medium
Visible light that is produced in the phosphor layer
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An array of thin-film transtors (TFT's)
An array of photodiodes
A vidicon television camera tube
A series of quantum detectors
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1 and 2
1 and 3
2 and 3
1, 2, and 3
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Minification ratio and flux gains
Adaptation and vignestting gains
Focal and scoptic vision gains
Dispersion and retinal gains
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Flicker timer
Integration time
Adaption time
Interlace time
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Calcium tungstate
Cesium iodide
Barium lead sulfate
Zinc cadmium sulfied
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Television system
Image intensifier
Video tape unit
Magnification technique
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Analog signal
Synchronization pulse
Video signal
Procession signal
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1 only
2 only
3 only
1, 2, and 3
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The accelerating anode
Electrostatic lenses
The vacuum glass envelope
The input phosphor
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Input phosphor
Photocathode
Focusing lens
Output phosphor
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2 kv
25 kv
75 kv
150 kv
225 kv
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Higher resolution
Increased image brightness
Static imaging
A and c
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Image intensifier tubes
Fluoroscopic xray tubes
Cinefluoroscopic tubes
Television camera tubes
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Laser printer
Photo-spot camera
Floppy disk
Display terminal
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Pixels
Bits
ROMs
Bytes
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Size distortion in the image
Noise level of the image
Contrast of the image
Digital density or brightness of the image
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Reduced number of gray scales in the image
Increase in the gray scale level of the image
Increase in the amount of quantum mottle on the image
Reduced speed of the photostimulable phosphor plate
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1000 speed film-screen combination
800 speed film-screen combination
400 speed film-screen combo
200 speed film-screen combo
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The laser beam is converted into a usuable electronic signal
Radiation is absorbed into the lattice of a fluorescent crystal
The photomultiplier tube converts the electronic signal in to a laser image
The trapped energy of the electronic latent image is released as a visible light image
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Red spectrum
Blue-violet spectrum
Green spectrum
Ultraviolet spectrum
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Clean the transport system of any leftover positive ions
Clear any of the remaining latent image from the image plate
Realign the low-intensity laser mirror to the PM tube
Amplify the electronic signal from the PM tube before it is passed into the CRT
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10% per hour after the initial exposure
25% per hour after the initial exposure
10 % within 8 hours ofthe exposure
25 % within 8 hours of the exposure
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1000 speed film-screen combo
800 speed film-screen combo
400 speed film-screen combo
200 speed film-screen combo
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Cine camera
Spot film camera
Image intensifier
Television monitor
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Photostimulable subtraction radiography (PSR)
Scanned projection radiography (SPR)
Digital subtraction angiography (DSA)
Teleradiography (TR)
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5-20 times
20-40 times
50-100 times
5000-30000 times
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Gadolinium oxysulfide, cesium iodide
Amorphous silicon, amorphous selenium
Amorphous selenium, amorphous silicon
Silverbromide, zinc lead sulfide
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A non crystaline state of an otherwise crystaline material
The process of emitting light when stimulated by xrays
Converting xrays to light
Storing electrical charge for digital viewing
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Less exposure time
Less noise
More resolution
More exposure latitude
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