# The maximum permissible dose of radiation to the operator of an X ray machine is:
A. 0.05 rem per year
B. 0.5 rem per year
C. 5.0 rem per year
D. 50 rem per year
A. 0.05 rem per year
B. 0.5 rem per year
C. 5.0 rem per year
D. 50 rem per year
The correct answer is C. 5.0 rem per year.
| Occupational dose limit | Maximum permissible dose per year |
|---|---|
| 1. Gonad/ Bone marrow | 5 rem |
| 2. Skin | 15 rem |
| Non occupational dose limit | Maximum permissible doses per year |
|---|---|
| 1. Embryo/ Fetus gestation period | 0.5 rem |
| 2. General public | 0.5 rem |
| 3. Skin | 15 rem |
| NOTE: 1 Sievert = 100 rem |
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