Occupational and Environmental Health Practice Exam 2025 – Your Comprehensive All-In-One Guide to Mastering Disease and Injury Prevention!

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How much has the average annual dose of ionizing radiation to U.S. residents increased since the 1980s according to the National Commission on Radiological Protection?

170%

According to the National Commission on Radiological Protection, the average annual dose of ionizing radiation to U.S. residents has increased by 170% since the 1980s. This is a significant increase from the previous decades. The other options of 100%, 70%, and 50% are all lower than the actual increase, indicating that they are incorrect. It is important to keep in mind that even a small increase in radiation exposure can have potential health impacts, which is why accurate measurements and regulations are crucial.

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