Radiation - ANS energy in transit from one location to another; a transfer of energy that results from either a change occurring naturally within an atom or a process caused by the interaction of a particle with an atom
Ionizing Radiation - ANS radiation that produces positively and negati...
, Radiation - ANS energy in transit from one location to another; a transfer of energy that results
from either a change occurring naturally within an atom or a process caused by the interaction
of a particle with an atom
Ionizing Radiation - ANS radiation that produces positively and negatively charged particles
(ions) when passing through matter
Attenuation - ANS any process that decreases the intensity of the primary photon beam
K
directed toward some destination; total reduction in the number of x-rays remaining in a beam
after penetration through a given thickness of tissue
C
Absorption - ANS transference of energy from an x-ray beam to the atoms or molecules of the
matter through which it passes
LO
2.95 mSv (1.98 mSv from radon & .97 mSv from cosmic/terrestrial). - ANS Exposure to
average U.S. citizen from natural radiation annually?
.65 mSv (.4 mSv from medical/dental, .14 from nuclear medicine, and .11mSv from consumer
products). - ANS Exposure to average U.S. citizen from man made radiation annually?
YC
3.6 mSv (2.95 from natural, .65 mSv from man made) - ANS Total annual exposure to average
U.S. citizen?
Lumbar spine - ANS Nonfluoro exam with greatest gonadal dose
D
As low as reasonably achievable - ANS ALARA
NCRP Report #116 - ANS Effective Absorbed Dose Equivalent System includes determination
U
of effective dose equivalent for "all" radiation vulnerable organs, not just critical organs as
previously reported.
ST
age in years x 10 mSv - ANS Cumulative Absorbed Dose Equivalent (internal and external) =
50 mSv - ANS Annual Effective dose limit for occupational exposure?
150 mSv - ANS Annual occupational dose limit for lens of the eye
500 mSv - ANS Annual occupational dose limit for hands and feet
1/10th - ANS Annual exposure for non radiation workers is ________ of that of radiation
workers.
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