To prevent or minimize the harmful effects of radiation on individuals and the environment.

To maximize the beneficial effects of radiation.

To ensure that radiation is used safely and responsibly.

To develop new technologies for the use of radiation.

Alpha, beta, and gamma radiation.

X-rays, gamma rays, and neutrons.

Ultraviolet radiation, infrared radiation, and microwaves.

Radio waves, microwaves, and infrared radiation.

Alpha radiation.

Beta radiation.

Gamma radiation.

X-rays.

Sievert (Sv).

Gray (Gy).

Rad.

Rem.

20 mSv.

50 mSv.

100 mSv.

200 mSv.

As Low As Reasonably Achievable.

As Low As Reasonably Possible.

As Low As Reasonably Practicable.

As Low As Reasonably Necessary.

Time, distance, and shielding.

Time, shielding, and ALARA.

Distance, shielding, and ALARA.

Time, distance, and ALARA.

To measure the levels of radiation in an area.

To identify the sources of radiation in an area.

To determine the effectiveness of radiation protection measures.

All of the above.

Internal radiation exposure occurs when radioactive material is taken into the body, while external radiation exposure occurs when radioactive material is outside the body.

Internal radiation exposure occurs when radioactive material is released into the environment, while external radiation exposure occurs when radioactive material is contained within a shielded area.

Internal radiation exposure occurs when radioactive material is used in medical procedures, while external radiation exposure occurs when radioactive material is used in industrial applications.

Internal radiation exposure occurs when radioactive material is used in nuclear power plants, while external radiation exposure occurs when radioactive material is used in research laboratories.

Cancer, skin damage, and cataracts.

Birth defects, mental retardation, and infertility.

All of the above.

None of the above.

To regulate the use of radioactive materials.

To enforce radiation protection standards.

To conduct research on radiation protection.

All of the above.

A Geiger counter is used to measure the levels of radiation in an area, while a scintillation counter is used to measure the energy of radiation.

A Geiger counter is used to measure the levels of radiation in an area, while a scintillation counter is used to measure the type of radiation.

A Geiger counter is used to measure the levels of radiation in an area, while a scintillation counter is used to measure the intensity of radiation.

A Geiger counter is used to measure the levels of radiation in an area, while a scintillation counter is used to measure the wavelength of radiation.

To absorb radiation and prevent it from reaching a person or object.

To reflect radiation away from a person or object.

To scatter radiation in all directions.

None of the above.

A radioactive source is a small, concentrated amount of radioactive material.

A radioactive material is a large, dispersed amount of radioactive material.

A radioactive source is a solid, while a radioactive material is a liquid or gas.

A radioactive source is a natural material, while a radioactive material is a man-made material.

The time it takes for half of the radioactive material to decay.

The time it takes for all of the radioactive material to decay.

The time it takes for the radioactive material to become stable.

The time it takes for the radioactive material to become non-radioactive.