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Radiation Therapy
Radiation Safety Memory Matrix
| Question | Answer |
|---|---|
| Term for radiation in air. | Exposure |
| SI unit for exposure. | Roentgen (R) |
| Alternate unit for exposure. | Coulomb (C) |
| Conversion factor for exposure. | 1R=2.48X10^-4C per gram of air |
| Term for the amount of energy absorbed by mass. | Absorbed Dose |
| SI unit for absorbed dose. | Gray (Gy) |
| Alternate unit for absorbed dose. | rad |
| Conversion factor for absorbed dose. | 1Gy=100cGy |
| Term for equalizing the energy given by different particles? | Dose Equivalent |
| Alternate unit for dose equivalent. | rem |
| SI unit for dose equivalent. | Sievert (Sv) |
| Conversion factor for dose equivalent. | rem=rad x QF (quality factor) |
| Term for rate of energy leaving over time. | Activity |
| SI unit for activity. | Curie (Ci) |
| Alternate unit for activity. | Becquerel (Bq) |
| Conversion factor for activity. | 1 Ci= 3.7x10^10Bq |
| Annual occupational exposure limit for dose equivalent limits for nonstochastic? Lens of the eye? | 150 mSv 15 rem |
| Annual occupational exposure limit for effective dose limit stochastic effects. | 50 mSv 5 rem |
| Annual occupational exposure limit for dose equivalent limits for tissues and organs nonstochastic effects. All others, gonads, red bone marrow, breast, lungs, extremities, skin. SI and alternate units. | 500 mSv 50 rem |
| Annual occupational exposure limits for guidance cumulative exposure; workers? | 10 mSv x age 1 rem x age |
| Conversion factor for occupational exposure? | 1mSv = 0.1rem 1 rem = 10 mSv |
| Public annual exposure limit for effective dose equivalent, continuous, or frequent exposure. | 1 mSv 0.1 rem |
| Public annual exposure limit for effective dose equivalent, infrequent exposure. | 5 mSv 0.5 rem |
| Public annual exposure limit for remedial action recommended when effective dose equivalent, exposure to radon and it's decay products. | <0.007 Jhm^-3 >2 WLM |
| Annual public exposure limit for the lens of the eye, skin, and extremities? | 50 mSv 5 rem |
| Annual education and training exposure limit effective dose equivalent limit? | 1mSv 0.1 rem |
| Annual education and training exposure limit dose equivalent limits for lens of the eye, skin, and extremities? | 50 mSv 5 rem |
| Conversion factor for annual radiation exposure for education and training. | 1 mSv=0.1 rem 1 rem=10mSv |
| Embryo fetus exposure limit total dose equivalent limit? | 5 mSv 0.5 rem |
| Embryo fetus exposure limit dose equivalent in a month? | 0.5 mSv 0.05 rem |
| Negligible individual risk level effective dose equivalent per source or practice. | 0.01 mSv 0.001 rem |
Created by:
amy wiseman
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