Chapter 2 Radbio

Electromagnetic radiation travels or propagates through space in the form of a wave but can interact with matter as a particle of energy called a photon. This dual nature is referred to as

• wave-particle interchange ability.

• wave attenuation capability.

• wave-particle duality.

• wave-particle phenomena.

In the electromagnetic spectrum, higher frequencies are associated with

• shorter wavelengths and lower energies.

• longer wavelengths and higher energies.

• longer wavelengths and lower energies.

• shorter wavelengths and higher energies.

Of the two sources of ionizing radiation listed below, which source remains fairly constant from year to year?

• Manmade

• Natural

The first decay product of radium is

• x-ray.

• cesium.

• radon.

• strontium.

What is the most common unit of measure of equivalent dose?

• Milligray

• Coulomb per kilogram

• Millisievert

• Microsievert

What is the most common unit of measure of effective dose?

• Coulomb per kilogram

• Milligray

• Millisievert

• Microsievert

What is the total average annual radiation equivalent dose for estimated levels of radiation exposure for humans?

• 2.0 mSv

• 3.2 mSv

• 6.3 mSv

• 9.6 mSv

What is the total average annual radiation equivalent dose for manmade radiation exposures for humans?

• 3.3 mSv

• 6.3 mSv

• 4.3 mSv

• 3.0 mSv