What mechanism is used to ensure that occupational radiation exposure levels are kept below the annual effective dose (EfD) limit?

• A. Radiation shielding
• B. Personnel monitoring
• C. Duration reduction
• D. Distance increase

Answer: (B)

Personnel monitoring is essential in ensuring that occupational radiation exposure levels remain below the annual effective dose (EfD) limit. This practice involves the use of dosimeters, which are devices worn by individuals who work with or near sources of radiation. These devices measure and record the amount of radiation exposure an individual receives over time. By consistently monitoring this exposure, healthcare professionals can track their cumulative dose and make informed decisions about their work practices to minimize radiation exposure.

Monitoring serves as both a feedback mechanism and a regulatory requirement. It helps ensure compliance with safety standards and enables workers to adjust their behavior, such as altering their work habits or utilizing protective measures, to stay under recommended exposure limits. This proactive approach is critical in occupational settings where radiation is present, as it helps maintain a safe working environment and protects the health of personnel.