Radiologic Technology Supervisor and Operator Practice Exam

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An employee is exposed at a rate of 100 mrem per 60 minutes for 10 minutes. What is the resulting dose in mSv?

5 mrem

0.17 mSv

The amount of radiation dose comes from multiplying the exposure rate by the time of exposure, then converting to the desired unit. Here, the rate is 100 mrem per 60 minutes, and the exposure lasts 10 minutes: total dose in mrem = 100 × (10/60) = 16.7 mrem. Convert to mSv using 1 mrem = 0.01 mSv: 16.7 mrem × 0.01 = 0.167 mSv, which rounds to 0.17 mSv.

10 mrad

0.32 rem

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