Lesson 3 Quiz

Lesson 3 Quiz Circle and/or fill in the correct answer. 1. An individual who receives a 150 milliroentgen (mR) exposure from a 5 curie Cobalt 60 source would have a recorded occupational dose of: A. B. C. D.

150 rem 150 mrem 750 rem 1500 mrem

2. What does ALARA mean in regards to radiation Exposure? _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ ___ 3. The symbol R stands for: A. B. C. D.

radiation absorbed dose relative biological effect roentgen equivalent man none of the above

4. A 40-year-old individual who has no previous occupational exposure history would be permitted to have which of the following planned special exposures in his/her lifetime? A. B. C. D. E.

5 rem 5 rad 25 rem 25 rad 5(N-18) rem

5. Which of the following types of radiation has the greatest biological effect? A. B. C. D.

alpha particles bata particles gamma ray x-ray

6. An individual less than 18 years of age would be allowed a maximum occupational exposure to the hands per year: A. B. C. D.

5 rem 15 rem 25 rem 50 rem