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RAD 117 Radiation Protection (Summer 2025) 100% Verified
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RAD 117 Radiation Protection (Summer 2025) 100% VerifiedWhich of the following represents the largest source of background radiation
encountered by human beings in the United States?
RADON
Which of the following represents the largest source of artificially created radiation
received by human beings in the United States?
Nuclear Medicine
What constitutes justification for exposing human beings to ionizing radiation for
medical purpose?
Benefits of exposure exceed any potential risk
Which of the following radio-graphic examinations is most likely to deliver the greatest
gonadal absorbed dose to patients?
BARIUM ENEMA
Image formation photons are defined as the radiation which
Emerges from the patient with little or no deflection
, Which of the following photon interactions with matter is most likely to occur due in
large measure to increase in Atomic Number of the absorbing material?
Photoelectric absorption
Which of the following contributes significantly to occupational dose?
COMPTON SCATTED PHOTONS
which of the following are products of photoelectric absorption?
photoelectron and characteristic x-ray photon
which of the following interactions with matter involve incident x-ray photon possesing
at least 1.022 MeV and the nucleus of an atom
PAIR PRODUCTION
from an imaging standpoint, which interaction is likely to contribute most to
radiographic contrast (differentiation between radiographic structures)?
PHOTOELECTRIC ABSORPTION
Unit of ABSORBED dose
RAD
Radiation EXPOSURE is measured using
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