is3_140 - a. Cosmic b. Intrinsic c. Background d....

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Radiological Emergency Management Independent Study Course F-10 41. Everyone is exposed to radiation on a continuing basis from either or sources. a. Uranium, thorium b. Radon, uranium c. Natural, man-made d. Terrestrial, extra-terrestrial 42. Radiation that individuals are exposed to on a continuing basis which is considered non life-threatening is also know as this kind of radiation?
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Unformatted text preview: a. Cosmic b. Intrinsic c. Background d. Uneventful 43. Just under half of mans exposure to external natural radiation comes from? a. Radon b. Cosmic radiation c. Rocks d. Food 44. Radon dose comes primarily from its daughter products which are ? a. Ingested b. Counted c. Inhaled d. Touched...
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