Radiation Safety Practice Exam

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Study for the Radiation Safety Exam. Test your knowledge with multiple choice questions, each equipped with hints and explanations. Prepare effectively and confidently!

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According to the National Council on Radiation Protection and Measurement, what is the average annual dose of background radiation received by Americans?

  1. 250 mREM

  2. 360 mREM

  3. 450 mREM

  4. 600 mREM

The correct answer is: 360 mREM

The average annual dose of background radiation received by Americans is approximately 360 millirem (mREM). This value reflects the total exposure from various sources of natural radiation, including cosmic rays, radon gas, and terrestrial radiation from the earth itself. Understanding this number is crucial for recognizing the baseline levels of radiation that individuals are exposed to in their daily lives, which informs discussions about additional exposure from medical procedures, occupational hazards, and other sources. This level of background radiation can vary slightly based on geographic location, altitude, and other environmental factors, but the average of 360 mREM is a widely accepted figure according to the National Council on Radiation Protection and Measurement. It serves as a benchmark for evaluating additional radiation exposure and assessing potential health risks.

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