Prevention is a tool we all can use to decrease our potential for gamma radiation contamination in the event of a nuclear accident or attack. Being aware of ways to limit external contamination empowers individuals to feel safer and to protect themselves and their loved ones. If caught outside during such an event, which of the following is the most effective way to decrease the potential for external gamma radiation contamination by an individual?
Answer: Remove all garments and shoes before entering a house or public shelter.
Explanation:
Removing all garments can eliminate 90% of external radioactive contamination. To limit external contamination, you should turn off window fans, air conditioners, and forced-air heating units. This is a way to limit internal, not external, contamination. Exposure to gamma radiation may cause acute radiation syndrome (ARS) and lead to death. Long-term effects experienced by those exposed to radiologic disasters include thyroid cancer, leukemia, and non-Hodgkin's lymphoma.
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