LMRT STATE REVIEW FINAL EXAM Questions
and Answers () | 100% Correct
Verified Graded A+
how much radiation was absorbed into the phosphors ACCURATE
RESPONSE>>>indicator number.
stitching together multiple images - useful for scoliosis studies of the spine, long
bone studies or angiographic imaging of peripheral vasculature. - to view as a
single image. ACCURATE RESPONSE>>>image stitching
allow the technologist to inset preset text or manual text on the image ACCURATE
RESPONSE>>>image annotation
Ability to distinguish anatomic structures having similar subject contrast
ACCURATE RESPONSE>>>cont rast resolution (digital)
,Refers to the amount of detail present in any image. Phosphor layer thickness and
pixel size determines resolution in CR. ACCURATE RESPONSE>>>s p a t i a l
resolution
A single square within a matrix ACCURATE RESPONSE>>>pixel
a series of very small boxes that form a digital image ACCURATE
RESPONSE>>>m a t r i x .
one step process in DR where flat panel detectors convert the x-ray energy directly
to an electric signal using an amorphous selenium detector for immediate viewing -
correct answers ⬛
✓ d i r e c t conversion.
component which light enters and is converted into video or electronic signal -
ACCURATE RESPONSE>>>c h a r g e d coupled device.
, used to read charges collected during an exposure ACCURATE
RESPONSE>>>thin film
transistor.
A silicon solid state device sensitive to light. Converts light into an electrical
signal. ACCURATE RESPONSE>>>p h o t o d i o d e
Amorphous silicon requires a such as cesium iodide or a rare earth
intensifying screen composed of gadolinium and lanthanum with oxysulfides. This
also converts x-rays to visible light. ACCURATE RESPONSE>>>scintillator
a type of digital detector employing amorphous silicon or selenium detector
material, bonded with thin-film transistor technology for digital image creation and
amplification ACCURATE RESPONSE>>>flat panel detector
It is the degree of blackening of a radiograph resulting from radiation exposure and
processing and one of the two photographic properties that comprise visibility of
detail. ACCURATE RESPONSE>>>⬛density
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