Module 2

Question 1

Electromagnetic spectrum

Answer 1

the range of wavelengths or frequencies over which electromagnetic radiation extends

Question 2

Man-made or artificial radiation

Answer 2

ionizing radiation created by humans for various uses

Question 3

Terrestrial radiation

Answer 3

long-lived radioactive elements such as uranium 238, radium 226, and thorium 232 that emit densely ionizing radiation. These are present and variable quantities in the crust of the earth

Question 4

Natural radiation

Answer 4

natural sources of ionizing radiation that are part of the human environment

Question 5

Cosmic radiation

Answer 5

extraterrestrial origin and resolve from nuclear interactions that have taken place in the sun and other stars

Question 6

Radiation disasters that have occurred

Answer 6

Three Mile Island, Chernobyl, Fukushima, Bikini Atoll

Question 7

Compton scattering is responsible for exposing

Answer 7

the technologist, most of the scatter radiation produced during radiographic procedures affect the technologist and is considered Compton scatter

Question 8

Who discovered x-rays?

Answer 8

William Conrad Roentgen

Question 9

Who became the first American radiation fatality?

Answer 9

Clarence Madison Dally

Question 10

When were x-rays discovered?

Answer 10

November 8, 1895