Biomedicine: the Maximum Permissible Workday Dose for Occupational Exposure to Radiation

question 63

Multiple Choice

Biomedicine: The maximum permissible workday dose for occupational exposure to radiation is 26 mrem. A 55-kg laboratory technician absorbs 3.3 mJ of 0.40-MeV gamma rays in a workday. The relative biological efficiency (RBE) for gamma rays is 1.00. What is the ratio of the equivalent dosage received by the technician to the maximum permissible equivalent dosage?

• A) 0.23
• B) 0.25
• C) 0.28
• D) 0.30
• E) 0.32