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Rad Protection rev
radiation protection
| Question | Answer |
|---|---|
| What is the annual effective dose for natural background radiation | 295 mrem |
| What is K-Shell binding energy | 69.5 |
| traditional unit for absorbed dose | RAD |
| SI unit for absorbed dose | Gray |
| Traditional unit for dose equivalent | REM |
| SI unit for dose equivalent | Seivert |
| RAD x Quality factor = | REM |
| Gy x Quality factor = | Sv |
| occupational dose limit, lens of eye | 15 rem |
| occupational dose limit, skin | 50 rem |
| occupational dose limit, hands | 50 rem |
| occupational dose limit, feet | 50 rem |
| occupational dose limit, whole body | 5 rem |
| public annual exposure limit, frequent | .1 rem |
| public annual exposure limit, infrequent | .5 rem |
| public dose eyes | 1.5 rem |
| public dose hands/skin/feet | 5 rem |
| embryo dose per month | .05 rem |
| embryo dose during gestation | .5 rem |
| Dose for Hematologic Depression | 25 rads |
| Instant cell death | 1000 gy |
| 3 ARS syndromes | Hematopoetic, Gastrointestinal, CNS |
| GSD for US population | 20 mrem |
| 4 subphases of mitosis | prophase, metaphase, anaphase, telophase |
| 4 stages of ARS | Prodomal, latent, manifest, recovery or death |
| Wf: xrays, gamma rays or beta particles | 1 |
| Wf: alpha particles | 20 |
| Wf: fast neutrons | 20 |
| Wf: thermal neutrons | 5 |
| Wf: low energy internal protons | 2 |
| xrays & gamma rays are high or low LET | Low LET |
| alpha particles, are high or low LET | High LET |
| HVL 70 kvp | 1.5 |
| HVL 80 kvp | 2.3 |
| HVL 90 kvp | 2.5 |
| 70+ kvp = _____ mm Al equiv | 2.5 |
| 50-70 kvp = _____ mm Al equiv | 1.5 |
| sensitivity of film badge, eval how often | 10 mrem - 500 rem, monthly |
| sensitivity of OSL, eval how often | 1 mrem - 1000 rem, 3 months |
| sensitivity of thermoluminescent dosimeter, eval how often | 5 mrem, 3 months |
| sensitivity of pocket dosimenter | 0-200 mR |