Ch. 10 Practice Questions Flashcards

1
Q

Which organization evaluates information on biologic effects of radiation and provides radiation protection guidance through recommendations on occupational and public dose limits?

A

ICRP

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2
Q

Which agency conducts an ongoing product radiation control program, regulating the design and manufacture of electronic products, including x-ray equipment?

A

FDA

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3
Q

The agency that functions as a monitoring agency in places of employment, predominantly in industry. Also, regulates occupational exposure to radiation is…

A

OSHA

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4
Q

According to the NRCP recommendations, the guidance level for cumulative exposures should be calculated using the formula…

A

10 mSv x age

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5
Q

The effective dose limits are based on this type of dose relationship:

A

Linear, nonthreshold

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6
Q

The effective dose limit are generally stated in terms of dose equivalents and are expressed in the units of:

A

Rem or Sievert

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7
Q

The effective dose limit for the stochastic effects for an occupational radiation worker in a one year period (annual dose) is:

A

50 mSv (500 mrem)

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8
Q

It is recommended that the fetus should not exceed a dose equivalent limit of ___ for the entire gestation period.

A

5 mSv (50 mrem)

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9
Q

A student radiographer is admitted into training six months prior to his 18th birthday. This person’s effective dose limit until the age of 18 is:

A

1 mSv

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10
Q

According to the NRCP, the annual effective dose limit for deterministic (somatic) effects for the lens of the eye is:

A

150 mSv

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11
Q

Which of the following is normally considered a type of stochastic effect:

  1. Cataracts
  2. Cancer
  3. Genetic conditions
A

Cancer and genetic conditions

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12
Q

True or false:

A member of the public is accidentally exposed to 4 mSv. This person has exceeded the annual effective dose limit.

A

False

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13
Q

Stucides that suggest that radiation are a beneficial consequence of radiation for populations continuously exposed to moderately high levels of radiations is called the _____ _____ effect.

A

Radiation hormesis

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14
Q

Collective Effective Dose Equivalent’s unit of choice is:

A

Previously: man-rem
Current: person-sievert

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15
Q

Which of the following agencies was previously known as the Atomic Energy Commission?

A

NRC

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16
Q

What term means random in nature?

A

Stochastic

17
Q

Most of the currently employed radiation standards are acquired from the:

A

National Council on Radiation Protection and Measurement