LMRT STUDY GUIDE 2025| BRAND NEW
ACTUAL EXAM WITH 100% VERIFIED
QUESTIONS AND CORRECT SOLUTIONS|
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Spatial resolution is improved when - Correct Answer-SID increases
The adoption of a DICOM standard in the medical imaging industry was
designed to - Correct Answer-allow various vendors to share digital data
with out proprietary software constrains.
Most AECS utilize ___ ion chambers in various combinations. - Correct
Answer-Three
Shape distortion is caused by ?
A. As the ratio of SID and SOD
B.using the tube angle and OID
C.automatically in the computer post processing - Correct Answer-none of
the above
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Filament materials are chosen primarily for their - Correct Answer-high
melting points
To view the human body in the three dimensions , at least _ images is /are
required - Correct Answer-two
Large patients receive a greater exposure than small patients because their
A.SOD is decreased
B.OID is increased
C.entrance skin surface is closer to the source - Correct Answer-all of the
above
Leakage radiation from the lead-lined housing must not exceed - Correct
Answer-100mr/hr measured at 1 meter
Immediately after exposure and before a digitally acquired image is post-
processed , the initial image shown - Correct Answer-very low contrast
The single most important factor in efficient silver recovery is the - Correct
Answer-fixer dwell time
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Ionization chamber work on the principle that when radiation interacts with
the electrons in air , _ are produced - Correct Answer-ion pairs
A CR imaging plate that has been grossly overexposed can demonstrate _
if the erasure process is incomplete - Correct Answer-ghosting
The build-up of tungsten deposits on the inside of an aged X-ray tube adds
to the - Correct Answer-inherent filtration
The greatest factor in the production of scatter radiation is - Correct
Answer-patient thickness
Performing a routine chest radiograph in the AP projection will - Correct
Answer-produce improved resolution of the thoracic spine
Compton scattering occurs when an incident x-ray photon interacts with an
_ electron - Correct Answer-outer shell electron with low binging energy
and high kinetic energy
Neon lights illustrate the fact that electrons will flow - Correct Answer-in a
gaseous environment