American Society of Radiologic Technologist (ASRT) Practice Exam

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What is considered as a safe level of occupational exposure to radiation for radiographers?

1 mSv per year
50 mSv per year
20 mSv per year
100 mSv per year

The correct answer is: 20 mSv per year

The safe level of occupational exposure to radiation for radiographers is established by various health and safety organizations, including the National Council on Radiation Protection and Measurements (NCRP) and the Occupational Safety and Health Administration (OSHA). The guidelines typically set a limit of 20 mSv per year, averaged over a defined period, which supports the importance of maintaining exposure levels as low as reasonably achievable (ALARA). This limit takes into account both the protective measures taken in a radiologic environment and the necessity of ensuring that workers remain within safe exposure levels to minimize health risks associated with long-term radiation exposure. Adhering to this guideline helps safeguard radiographers from potential adverse health effects linked to cumulative radiation exposure over time. Other options represent levels of exposure that exceed the recommended limits for occupational settings. For instance, 1 mSv per year is generally considered a limit for the general public rather than professionals engaged in radiation work. Similarly, 50 mSv and 100 mSv per year exceed occupational safety standards and could significantly increase the risk of radiation-related health issues.