rad bio rad protection quiz

Electrons have a quality factor (QF) of _____.

Select one:

a. 1

b. 5

c. 10

d. 20

a. 1

Slow neutrons have a quality factor of _________.

Select one:

a. 1

b. 5

c. 10

d. 20

b. 5

The annual dose equivalent limit to the whole body for occupationally exposed individuals is _____ mSv.

Select one:

a. 50

b. 100

c. 150

d. 500

a. 50

The annual dose equivalent limit to the lens of the eye for occupationally exposed individuals is ____ mSv.

Select one:

a. 50

b. 100

c. 150

d. 500

c. 150

The annual dose equivalent limit to the heart for occupationally exposed individuals is ____ mSv.

Select one:

a. 50

b. 100

c. 150

d. 500

d. 500

The annual dose equivalent limit to the whole body for frequent nonoccupationally exposed individuals is ____ mSv.

Select one:

a. 0.5

b. 1

c. 5

d. 50

b. 1

The annual dose equivalent limit to the whole body for infrequent nonoccupationally exposed individuals is ____ mSv.

Select one:

a. 0.5

b. 1

c. 5

d. 50

c. 5

The annual dose equivalent limit to the lens of the eye for nonoccupationally exposed individuals is ____ mSv.

Select one:

a. 0.5

b. 1

c. 5

d. 50

d. 50

The annual dose equivalent limit to the whole body for educationally exposed individuals is ____ mSv.

Select one:

a. 0.5

b. 1

c. 5

d. 50

b. 1

The annual dose equivalent limit to the lens of the eye for educationally exposed individuals is ____ mSv.

Select one:

a. 0.5

b. 1

c. 5

d. 50

d. 50

The monthly dose equivalent limit to an embryo/fetus is ____ mSv.

Select one:

a. 0.5

b. 1

c. 5

d. 50

a. 0.5

The total gestational dose equivalent limit is ____ mSv.

Select one:

a. 0.5

b. 1

c. 5

d. 50

c. 5

Smoking cigarettes increases an individual's radiation exposure by ____ mSv.

Select one:

a. 0.2

b. 0.11

c. 13

d. 11

c. 13

The average annual dose received by the general public from all naturally occurring radiation sources is ____ mSv.

Select one:

a. 3

b. 2

c. 1

d. 0.5

a. 3

The average annual dose received by the general public from radon is ____ mSv.

Select one:

a. 3

b. 2

c. 1

d. 0.5

b. 2

The average annual dose received by the general public from all medical radiation procedures is ____ mSv.

Select one:

a. 3

b. 2

c. 1

d. 0.5

d. 0.5

The average annual dose received by the general public from naturally occurring internal radiation is ____ mSv.

Select one:

a. 0.2

b. 0.11

c. 13

d. 11

a. 0.2

The current recommended negligible individual risk level is ____ mSv/yr.

Select one:

a. 0.001

b. 0.01

c. 0.1

d. 1

b. 0.01

Thermoluminescent dosimeters are composed of ____.

Select one:

a. Ra

b. Al2O3

c. Ce

d. LiF

d. LiF

Which of the following would not be helpful in a personnel radiation-monitoring program?

Select one:

a. Film badges

b. Routine blood examinations

c. Pocket ionization chambers

d. TLDs

b. Routine blood examinations

All of the following materials are used in room shielding, EXCEPT:

Select one:

a. Cerrobend

b. Concrete

c. Lead

d. Steel

a. Cerrobend

Which of the following describes why filters are used in film badges?

Select one:

a. To discriminate different directions of radiation

b. To discriminate different radiation energies and types

c. To correct for film fogging due to exposure

d. To increase the sensitivity of the measuring device

b. To discriminate different radiation energies and types

Which agency provides information and recommendations in the public interest concerning radiation measurements and protection?

Select one:

a. ACR

b. NCRP

c. ALARA

d. AER

b. NCRP

Which particles have the highest linear energy transfer?

Select one:

a. Alpha particles

b. Beta particles

c. X-rays

d. Gamma-rays

a. Alpha particles

Which particles can be electrons?

Select one:

a. Alpha particles

b. Beta particles

c. X-rays

d. Gamma-rays

b. Beta particles

Which of the following is not a natural source of background radiation?

Select one:

a. Cosmic rays

b. Radium and uranium

c. Carbon 14

d. Nuclear fallout

d. Nuclear fallout

It is recommended that gestational dose be ________________________.

Select one:

a. unequally shifted to the third trimester

b. unequally shifted to the first trimester

c. unequally shifted to the second trimester

d. evenly distributed throughout the gestational period

d. evenly distributed throughout the gestational period

One half-value layer thickness in concrete would be__________ one half-value layer thickness in lead for a Cobalt 60 beam.

Select one:

a. less than

b. greater than

c. equivalent to

b. greater than

The NCRP recommends a therapeutic abortion when the fetal dose exceeds what level?

Select one:

a. 5 cGy

b. 10 cGy

c. 25 cGy

d. no recommendation

d. no recommendation

Film badges are a form of:

Select one:

a. active monitoring

b. passive monitoring

b. passive monitoring

Geiger-Muller counters are a form of:

Select one:

a. active monitoring

b. passive monitoring

a. active monitoring

OSLs are a form of:

Select one:

a. active monitoring

b. passive monitoring

b. passive monitoring

Pocket ionization chambers are a form of:

Select one:

a. active monitoring

b. passive monitoring

a. active monitoring

Warning signs reading "Caution, High Radiation Area" must be posted when the dose exceeds ____ mSv/hr.

Select one:

a. 0.01

b. 0.1

c. 1

d. 10

c. 1

A periodic leak test is performed on sealed sources to:

Select one:

a. detect any leaks in the encapsulated container

b. ensure that personnel are working in a radiation-safe environment

c. neither a nor b

d. both a and b

d. both a and b

Which particles have no mass or charge and are emitted from the nucleus?

Select one:

a. alpha particles

b. beta particles

c. x-rays

d. gamma-rays

d. gamma-rays