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Radiation Protection (green) > Ch. 10 2nd Semester > Flashcards

Ch. 10 2nd Semester Flashcards

1
Q

Numeric Dose limits based on risks

A

EfD= Effective Dose Limiting System

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2
Q

NCRP report and ICRP report #’s

A

NCRP 116, ICRP #60

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3
Q

U.S enforcement agency that reviews suggestions from ICRP and makes recommendations and publishes reports to notify organizations and public about dealing with radiation protection, measurements, and units

A

NCRP = National Council on Radiation Protection and Measurements

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4
Q

international authority that gathers information from UNSCEAR & NAS/NRC BEIR and makes suggestions to NCRP regarding occupational and public dose limits.

A

ICRP= International Commission on Radiological Protection

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5
Q

Evaluates human and environmental radiation exposure and series risk assessments and then makes suggestions to ICRP

A

UNSCEAR= United Nations Scienific Committee on Effects of Atomic Radiation

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6
Q

reviews studies of biological effects and risk assessment and makes suggestions to ICRP

A

NAS/NRC-BEIR = National Academy of Sciences/ National Research Council Committee on Biological Effect of Ionizing Radiation

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7
Q

Report in 1990 studies effects of accidental exposure

A

BEIR 5

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8
Q

Over sees nuclear industry, makes unannounced visits to Nuc Med departments

A

NRC= Nuclear Regulatory Commission

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9
Q

NRC assumes responsibility for enforcing radiation protection regulations

A

Agreement

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10
Q

State and NRC assume responsibility for enforcing radiation protection regulations and states can legislate their own regulations

A

Non-Agreement

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11
Q

Develops and enforces regulations controlling radiation in the environment.

A

EPA= Enviromental Protection Agency

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12
Q

Who has authority over RADON?

A

EPA

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13
Q

EPA estimates that __% of U.Us homes exceed the limit.

A

10 %

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14
Q

Action level about __ picocuries/Liter of Air

A

4 picocuries/liter

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15
Q

What regulates design and manufacture of electrical products and diagnostic x-ray equipment?

A

FDA = Food and Drug Admin

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16
Q

Responsible for workplace safety

A

OSHA= Occupational safety and Health admin

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17
Q

Facilities are required to have a RSO who are they usually?

A

Radiation Safety Officer usually Radiologist or Physicist

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18
Q

To protect public from unnecessary radiation exposure from electronic products

A

Radiation Control for health and safety act of 1968

19
Q

PBL=

A

Positive Beam Limitation

20
Q

PBL is the same thing as?

A

Automatic Collimation

21
Q

When was PBL and AC required?

A

8/1/74-1994

22
Q

What year started ALARA?

A

1854

23
Q

Established minimum standards of accreditation for educational radiography program JCERT

A

Consumer- patient Radiation Health and Safety Act of 1981

24
Q

Somatic effects ___ relate to dose received – typically only after LARGE doses. Follow Non-Linear, Threshold

A

Directlly

25
Q

Somatic =

A

Nonstochastic (Deterministic) Effects

26
Q

What are Early and Late effects of Nonstoochastic/ Deterministic/ Somatic?

A

Early= Epilation Late Cataracts and decreased Fertility

27
Q

Stochasitc (probalistic) effects =

A

non threshold random somatic effects

28
Q

Estimating lower exposure response based on known upper response

A

Extrapolation

29
Q

Probability of injury, aliment, or death from an activity

A

risk

30
Q

Cumulative Dose equation

A

Age in years X 1 Rem (10msv)

31
Q

Annual Occupational EFD

A

5 Rem (50 mSv)

32
Q

Pregnant Radiation Worker Monthly

A

.05 Rem

33
Q

Pregnant Radiation worker entire dose

A

.5 Rem

34
Q

Under 18 student

A

.1 Rem

35
Q

Lens of Eye yearly

A

15 REM

36
Q

skin, hands, feet yearly dose

A

50 REM

37
Q

ACTION LIMIT

A

above 1/10 of EFD

38
Q

Rem-> Seivert

A

divide by 100

39
Q

Seivert -> Rem

A

multiply by 100

40
Q

Rem –> msV

A

multiply by 10

41
Q

mSv –> Rem

A

divide by 10

42
Q

seivert–> mSv

A

multiply by 10

43
Q

Benficial consequence of radiation

A

hormesis effect

Radiation Protection (green) (4 decks)

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