ARRT Registry Review - Radiation Protection & Biology Study Guide with Complete Solutions
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Course
Arrt
Institution
Arrt
ARRT Registry Review - Radiation
Protection & Biology Study Guide with
Complete Solutions
Radiation - Answer-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
par...
3.6 mSv (2.95 from natural, .65 mSv from man made) - Answer✔✔-Total annual exposure to average U.S.
citizen?
Lumbar spine - Answer✔✔-Nonfluoro exam with greatest gonadal dose
As low as reasonably achievable - Answer✔✔-ALARA
NCRP Report #116 - Answer✔✔-Effective Absorbed Dose Equivalent System includes determination of
effective dose equivalent for "all" radiation vulnerable organs, not just critical organs as previously
reported.
age in years x 10 mSv - Answer✔✔-Cumulative Absorbed Dose Equivalent (internal and external) =
50 mSv - Answer✔✔-Annual Effective dose limit for occupational exposure?
150 mSv - Answer✔✔-Annual occupational dose limit for lens of the eye
500 mSv - Answer✔✔-Annual occupational dose limit for hands and feet
1/10th - Answer✔✔-Annual exposure for non radiation workers is ________ of that of radiation workers.
NCRP Report # 102 - Answer✔✔-Report that covers topics of equipment design and use, Personnel
monitoring, Radiation survey procedures.
Coherent (Thompson / Classical / Unmodified) - Answer✔✔-Interaction in matter that occurs when an
incident x-ray interacts with the target atom, which causes it to become excited. The target atom
immediately releases this excess energy as a scattered x-ray with a wavelength equal to that of the
incident x-ray with approximately equal energy. There is a change in direction, but no change in energy.
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