Basic principles of radiation Flashcards
1
Q
Results of ionization in human cells
A
Unstable atoms, free electrons, production of low-energy x-rays, formation of new molecules harmful to the cell, cell damage may be exhibited as abnormal function or loss of function
2
Q
Two types of radiation damage
A
Somatic & Genetic
3
Q
Natural background radiation accounts for how much total radiation
A
50%
4
Q
Largest source of natural background radiation
A
Radon
5
Q
Types of natural radiation
A
Radon, Thoron, terrestrial, internal, and space
6
Q
Medical background accounts for how much total radiation?
A
48%
7
Q
____ accounts for the increase in total dose and medical dose to the population
A
CT
8
Q
Examples of other human-made background radiation
A
occupational exposure, various consumer products, and other sources; accounts for 2%
