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Chapter 5 Key Words

Across
A process where a high dose of radiation is delivered internally to a cancerous area.
A particle identical to an electron that forms in the nucleus when a neutron changes to a proton and an electron.
A unit of absorbed dose equal to 100 rad.
The process by which an unstable nucleus breaks down with the release of high-energy radiation.
A reaction in which large amounts of energy are released when small nuclei combine to form larger nuclei.
A measure of the amount of radiation absorbed by the body.
A particle of radiation with no mass and a positive charge.
A diagram of the decay of a radioactive element.
The length of time it takes for one-half of a radioactive sample to decay.
A process in which larger nuclei are split into smaller pieces releasing large amounts of energy.
Down
A nuclear particle identical to a helium nucleus.
A fission reaction that will continue once it has been initiated by a high-energy neutron bombarding a heavy nucleus.
High energy radiation emitted by an unstable nucleus.
The measure of the biological damage from an absorbed dose that has been adjusted for the type of radiation.
A radioactive atom of an element.
A unit of activity of a radioactive sample equal to one disintegration per second.
An imaging technique that involves the use of a strong magnetic field.
A unit of activity equal to 3.7 x 10^10 disintegrations/s.
Energy or particles released by radioactive atoms.
A unit of biological damage equal to 100 rem.
A measure of the biological damage caused by various kinds of radiation.