Self Test 16

1. Self Test 16 Occupational Exposure Limits

2. 1. Occupational radiation exposure limits are found in what federal document? a. 20 CFR b. 15 CFR c. 11 CFR d. 10 CFR

3. 2. Occupational exposure limits are continuously being reviewed by various scientific organizations and changes are recommended whenever appropriate. a. true b. false

4. 3. In the United States recommendations of changes to occupational exposure limits are made to the NRC by a. the EPA b. the FDA c. the NCRP d. the ICRP

5. 4. In the United States the agency that makes and enforces the laws regarding occupational radiation exposure is the a. the NCR b. the NRC c. the EPA d. the FDA

6. 5. Occupationally exposed workers should never exceed a whole body dose of a. 5 rem/month b. 5000 mrem/yr c. 500 mrem/month d. 0.5 rem/yr

7. 6. Occupational dose limits are given in units of a. rads b. Grays c. rem d. Roentgen

8. 7. The annual dose equivalent limit for the hands of an occupationally exposed worker is a. 5 rem b. 50 rem c. 50 mrem d. 15 rem

9. 8. The annual dose equivalent limit for members of the general public is a. 100 mrem b. 10 rem c. 5000 mrem d. 50 mrem

10. 9. In SI units, the annual whole body dose equivalent limit for an occupationally exposed worker would be a. 5 Sieverts b. 5 Grays c. 0.05 Sieverts d. 0.005 rad

11. 10. Occupational exposure can always be reduced by a. reducing time spent near radiation sources b. increasing the distance between you and the radiation source c. use of appropriate shielding d. all of the above