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Radiation Doses
Rad Bio Final
Question | Answer |
---|---|
.5 rem | fetal dose – entire pregnancy |
5 rem | annual dose RT |
1 mrem | OSL |
5 mrem | TLD |
10 mrem | film badge/ CXR dose |
20 mrem | GSD/ single c-spine |
36 mrem | 1 view mammo |
150 mrem | 1 view L spine |
360 mrem | Report 93 (old) yearly dose (295 mrem background; 65 mrem medical) |
600 mrem | UGI |
620 mrem | Report 160 (new) yearly dose (300 mrem medical – CT; 320 mrem background) |
1000 mrem | CT Abdomen |
1 rad | Delayed Mitosis |
5 – 15 rad | Embryonic Death |
10 rad | Decreased Sperm/delayed menstruation |
> 20 rad | 1st trimester – Death |
25 rad | Hematologic Depression |
> 25 rad | All or Nothing (Fetus) – Bushong's Rule |
50 rad | Depress Neutrophils/Platelets |
100 rad | Whole Body – ARS – Stage 1 (prodromal) |
100-200 rad | ARS – bone marrow can be repaired |
100 – 1000 rad | ARS – Stage 3 – Manifest – Bone Marrow |
156 rem (1.56 Sv) | Doubling Dose – 2x frequency of genetic mutations |
200 rad | Cataracts (threshold) and Erythema |
250 rad | Temporary Sterility (1 year) |
350 – 400 rad | LD 50/60 |
500 rad | Permanaent Sterility |
600 rad | Full Blown ARS |
600 – 5000 rad | GI Syndrome (Stage 3) |
1000 rad | Eyes – All Cataracts |
3000 rad | Impotence (erectile dysfunction) |
5000 rad | CNS Syndrome |