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Radt1200 exam 5 Questions and Correct
Answers
Dose limits are in what 2 forms? Ans: EqD and EfD
why do we have dose limits? Ans: to limit the risk of genetic and
cancer incidences related to radiation exposure (limit risk of
stochastic effects)
what 4 agencies do we get dose limits from? Ans: -ICRP
-NCRP
-UNSCEAR
-NAS/NRC-BEIR
what does ICRP stand for? Ans: International Commission on
Radiological Protection
what does the ICRP provide? Ans: general guidelines and
recommendations for radiation protection
what does NCRP stand for? Ans: National Council on Radiation
Protection and Measurements
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what does the NCRP do? Ans: Reviews regulations formulated by
the ICRP and decides ways to include those recommendations in
U.S. radiation protection criteria
What does UNSCEAR stand for? Ans: United Nations Scientific
Committee on the Effects of Atomic Radiation
what does UNSCEAR evaluate? Ans: human and environmental
effects from ionizing radiation (usually after radiation accidents)
What does the NAS/NRC-BEIR stand for? Ans: National Academy
of Sciences/National Research Council Committee on the Biological
Effects of Ionizing Radiation
What does the NAS/NRC-BEIR study? Ans: early radiation workers,
atomic bomb survivors, Chernobyl survivors, etc. (offer guidelines
based on this)
what is included in the 1990 BEIR V Report? Ans: epidemiological
studies to asses radiation risk which is used to establish dose
limits
the 1990 BEIR V Report is also called what? Ans: Health Effects of
Exposure to Low Levels of Ionizing Radiation
The absolute risk of radiation-induced malignant disease has been
calculated to be what? Ans: 5.0 x 10^-2 Sv^-1 (5 deaths out of
10,000 in a population exposed to 10 mSv)
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What are the 4 US regulatory agencies that enforce the dose limits
guidelines? Ans: -NRC
-EPA
-FDA
-OSHA
what does NRC stand for? Ans: Nuclear Regulatory Commission
what was the NRC formerly known as? Ans: Atomic Energy
Commission
what departments in a hospital are regularly check by the NRC?
Ans: nuclear medicine department (because of the radioactive
materials and worries of someone getting ahold of them and
making bombs)
The NRC licenses the use of what? Ans: radioactive materials (like
seed implants for cancer)
where are the standards for the NRC published? Ans: Title 10 US
Code of Federal Regulations (specifically to radiation protection,
Part 20)
What are agreement states? Ans: Use their own regulations rather
than NRC but must be at least as strict as the NRC
© 2025 All rights reserved
Radt1200 exam 5 Questions and Correct
Answers
Dose limits are in what 2 forms? Ans: EqD and EfD
why do we have dose limits? Ans: to limit the risk of genetic and
cancer incidences related to radiation exposure (limit risk of
stochastic effects)
what 4 agencies do we get dose limits from? Ans: -ICRP
-NCRP
-UNSCEAR
-NAS/NRC-BEIR
what does ICRP stand for? Ans: International Commission on
Radiological Protection
what does the ICRP provide? Ans: general guidelines and
recommendations for radiation protection
what does NCRP stand for? Ans: National Council on Radiation
Protection and Measurements
© 2025 All rights reserved
, 2 | Page
what does the NCRP do? Ans: Reviews regulations formulated by
the ICRP and decides ways to include those recommendations in
U.S. radiation protection criteria
What does UNSCEAR stand for? Ans: United Nations Scientific
Committee on the Effects of Atomic Radiation
what does UNSCEAR evaluate? Ans: human and environmental
effects from ionizing radiation (usually after radiation accidents)
What does the NAS/NRC-BEIR stand for? Ans: National Academy
of Sciences/National Research Council Committee on the Biological
Effects of Ionizing Radiation
What does the NAS/NRC-BEIR study? Ans: early radiation workers,
atomic bomb survivors, Chernobyl survivors, etc. (offer guidelines
based on this)
what is included in the 1990 BEIR V Report? Ans: epidemiological
studies to asses radiation risk which is used to establish dose
limits
the 1990 BEIR V Report is also called what? Ans: Health Effects of
Exposure to Low Levels of Ionizing Radiation
The absolute risk of radiation-induced malignant disease has been
calculated to be what? Ans: 5.0 x 10^-2 Sv^-1 (5 deaths out of
10,000 in a population exposed to 10 mSv)
© 2025 All rights reserved
, 3 | Page
What are the 4 US regulatory agencies that enforce the dose limits
guidelines? Ans: -NRC
-EPA
-FDA
-OSHA
what does NRC stand for? Ans: Nuclear Regulatory Commission
what was the NRC formerly known as? Ans: Atomic Energy
Commission
what departments in a hospital are regularly check by the NRC?
Ans: nuclear medicine department (because of the radioactive
materials and worries of someone getting ahold of them and
making bombs)
The NRC licenses the use of what? Ans: radioactive materials (like
seed implants for cancer)
where are the standards for the NRC published? Ans: Title 10 US
Code of Federal Regulations (specifically to radiation protection,
Part 20)
What are agreement states? Ans: Use their own regulations rather
than NRC but must be at least as strict as the NRC
© 2025 All rights reserved
