RADD 2501 Radiation Units Presentation

RADD 2501 Radiation Units Presentation - R adiation e...

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1 Unit of x-ray intensity in air intense enough to create 2.08 x 10 ion pairs per cubic cm of air instruments are calibrated in R equipment output is specified in R or mR applies only to x and gamma rays Roentgen: (R) : classical Coulombs/kilogram : C/kg : systems international
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2 RAD : classical Gray (Gy) : systems international Unit of r adiation a bsorbed d ose 1 rad = 100 ergs/gram: 100 ergs of energy transferred to 1 gram of human tissue or any target material 100 rad = 1 Gray use: radiation absorbed by the patient: obviously, the odds of biologic effects will increase as Rads (Gray) increase
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3 REM : classical Seivert (Sv) : systems international
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Unformatted text preview: R adiation e quivalent m an rad x QF = rem QF: quality factor of the type of radiation the occupationally exposed person is exposed to. For example: the quality factors of: x-rays: 1 alpha particles: 20 neutrons 5 - 20 dependent on energy Use: occupational exposure 100 rem = 1 Seivert 4 In x-ray 1 Roentgen = 1 RAD = 1 REM 5 Curie (Ci): classical Becquerel (Bq): systems international Unit of the quantity of radioactive material sometimes stated in milllicuries or microcuries use: common to nuclear medicine not used to describe electromagnetic radiation...
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This note was uploaded on 11/22/2011 for the course RADD 2501 taught by Professor Sandyeverage during the Winter '11 term at Life Chiropractic College West.

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RADD 2501 Radiation Units Presentation - R adiation e...

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