Occupational and Environmental Health: Recognizing and Preventing Disease and Injury - Multiple Choice Questions - Learn & Prevent

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.