RADIATION PROTECTION CHAPTER 10 TEST QUESTIONS
AND CORRECT ANSWERS
D - ANSWER-Which of the following terms means "random in nature"?
A. Deterministic
B. Epidemiologic
C. Nonstochastic
D. Stochastic
D - ANSWER-When whole-body occupational exposure is controlled by keeping the
effective dose (EfD) well below the
upper boundary limit, the possibility of inducing stochastic effects of radiation is:
A. increased considerably
B. increased slightly
C. maintained at an acceptable level
D. minimized
D - ANSWER-Which of the following agencies was previously known as the Atomic
Energy Commission?
A. FDA
B. ICRP
C. NCRP
D. NRC
D - ANSWER-Which of the following are functions and/or responsibilities of the U.S.
Occupational Safety and Health
Administration (OSHA)?
1. Functions as a monitoring agency in places of employment, predominantly in industry
2. Regulates occupational exposure to radiation through Part 1910 of Title 29 of the
U.S. Code of Federal
Regulations (29 CFR 1910)
3. Responsible for regulations concerning the "right to know" of employees with regard
to hazards that
may be present in the workplace
A. 1 and 2 only
B. 1 and 3 only
C. 2 and 3 only
D. 1, 2, and 3
C - ANSWER-Which of the following groups is run by the government of Japan,
primarily to study Japanese atomic bomb
survivors?
A. National Research Council Committee on the Biological Effects of Ionizing
Radiation
, B. International Commission on Radiological Protection
C. Radiation Effects Research Foundation
D. Nuclear Regulatory Commission
D - ANSWER-Epidemiologic studies of atomic bomb survivors exposed in utero have
provided conclusive evidence of a
dose-dependent increase in the incidence of severe mental retardation for fetal doses
greater than
approximately _____ Sv (_____ rem).
A. 0.1; 10
B. 0.2; 20
C. 0.3; 30
D. 0.4; 40
C - ANSWER-What is the collective effective dose (ColEfD) limit to the whole body of an
occupationally exposed person
who is 46 years old?
A. 4.6 mSv
B. 46 mSv
C. 460 mSv
D. 4600 mSv
D - ANSWER-____________ conclusive proof exists that low-level ionizing radiation
causes a statistically significant
increase in the threat of malignancy.
A. A substantial amount of
B. A moderate amount of
C. A small amount of
D. No
B - ANSWER-The main function of the Nuclear Regulatory Commission (NRC) is to:
1. inspect imaging facilities
2. oversee the nuclear energy industry
3. regulate imaging facilities
A. 1 only
B. 2 only
C. 3 only
D. 1, 2, and 3
C - ANSWER-The effective dose (EfD) limiting system supersedes:
A. all Occupational Safety and Health Administration (OSHA) regulations
B. all Nuclear Regulatory Commission (NRC) regulations
C. the maximum permissible dose (MPD) system
D. the Consumer-Patient Radiation Health and Safety Act of 1981
AND CORRECT ANSWERS
D - ANSWER-Which of the following terms means "random in nature"?
A. Deterministic
B. Epidemiologic
C. Nonstochastic
D. Stochastic
D - ANSWER-When whole-body occupational exposure is controlled by keeping the
effective dose (EfD) well below the
upper boundary limit, the possibility of inducing stochastic effects of radiation is:
A. increased considerably
B. increased slightly
C. maintained at an acceptable level
D. minimized
D - ANSWER-Which of the following agencies was previously known as the Atomic
Energy Commission?
A. FDA
B. ICRP
C. NCRP
D. NRC
D - ANSWER-Which of the following are functions and/or responsibilities of the U.S.
Occupational Safety and Health
Administration (OSHA)?
1. Functions as a monitoring agency in places of employment, predominantly in industry
2. Regulates occupational exposure to radiation through Part 1910 of Title 29 of the
U.S. Code of Federal
Regulations (29 CFR 1910)
3. Responsible for regulations concerning the "right to know" of employees with regard
to hazards that
may be present in the workplace
A. 1 and 2 only
B. 1 and 3 only
C. 2 and 3 only
D. 1, 2, and 3
C - ANSWER-Which of the following groups is run by the government of Japan,
primarily to study Japanese atomic bomb
survivors?
A. National Research Council Committee on the Biological Effects of Ionizing
Radiation
, B. International Commission on Radiological Protection
C. Radiation Effects Research Foundation
D. Nuclear Regulatory Commission
D - ANSWER-Epidemiologic studies of atomic bomb survivors exposed in utero have
provided conclusive evidence of a
dose-dependent increase in the incidence of severe mental retardation for fetal doses
greater than
approximately _____ Sv (_____ rem).
A. 0.1; 10
B. 0.2; 20
C. 0.3; 30
D. 0.4; 40
C - ANSWER-What is the collective effective dose (ColEfD) limit to the whole body of an
occupationally exposed person
who is 46 years old?
A. 4.6 mSv
B. 46 mSv
C. 460 mSv
D. 4600 mSv
D - ANSWER-____________ conclusive proof exists that low-level ionizing radiation
causes a statistically significant
increase in the threat of malignancy.
A. A substantial amount of
B. A moderate amount of
C. A small amount of
D. No
B - ANSWER-The main function of the Nuclear Regulatory Commission (NRC) is to:
1. inspect imaging facilities
2. oversee the nuclear energy industry
3. regulate imaging facilities
A. 1 only
B. 2 only
C. 3 only
D. 1, 2, and 3
C - ANSWER-The effective dose (EfD) limiting system supersedes:
A. all Occupational Safety and Health Administration (OSHA) regulations
B. all Nuclear Regulatory Commission (NRC) regulations
C. the maximum permissible dose (MPD) system
D. the Consumer-Patient Radiation Health and Safety Act of 1981
