Federal Emergency Management Agency (FEMA) Standardized Awareness Practice Test

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Which option indicates a factor that increases the health risk from radiation?

  1. Low dose of radiation

  2. High dose of radiation

  3. Short exposure duration

  4. No exposure at all

The correct answer is: High dose of radiation

High dose of radiation significantly increases the health risk because the severity of potential biological effects, including damage to living tissues and increased chance of developing radiation-related health issues, rises with the amount of radiation exposure. Higher doses can lead to acute radiation syndrome, increased risk of cancer, and various other detrimental health impacts. In contrast, lower doses or shorter exposure durations typically present reduced risks, and complete avoidance of exposure minimizes health risks entirely. Therefore, the relationship between the dose of radiation and associated health risks is critical for understanding and managing radiation safety.

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