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Ionizing radiation
Radiation that possess the ability to remove electrons from atoms by a process called ionization
Somatic Effects
Regers to effects of radiation on the body being irradiated
Genetic Effects
Regers to effects of radiation on a germ cells fenetic code; effects next generation
Natural Background radiation
Radiation contained in the unpolluted environment
Artificially produced radiation
Also called man made radiation (Medical X-rays)
Primary Radiation
radiation exiting the x-ray tube
Exit Radiation, (remnant radiation, image producing radiation)
x-rays that emerge from the patient and strike the image receptor
Attenuation
absorption and scatter (loss of intensity of the x-ray beam as it passes through the patient
Heterogeneous Beam
X-ray beam that contains photons of many different energies
Photoelectric effect
Absorption of x0ray photons in the atoms of the body
Comptons Effect
Scatter of x-ray photons from the atoms of the body
Roentgen
Traditional unit of in air exposure
Coulombs per kilogram (c/kg)
SI unit of in air exposure
Rad
Tradional unit of absorbed dose
Gray
Si unit of absorbed dose
Rem
Tradional unit of dose equivalency:dose limit
Sievert
Si unit of dose equivalency
Curie
Traditional unit of activity
Becquerel
Si unit of activity
international commission on radiological protection
recommends occupational and public radiation dose limits for all nations
National council on radiation protection and measurements
Publishes radiation protection guidelines for the US
Nuclear Regulatory Commission
Enforces radiation protection standards at the federal level
united nations scientific committee on the effect os radiation
evaluates radiation exposure from multiple source and evaluates over all risk estimates
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Author
Mrs56
ID
179889
Card Set
Melissa's notes
Description
From Base
Updated
2012-10-25T19:26:32Z
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