CAMRT Radiography Practice Exam

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What is the NCRP recommended occupational dose limit for the lens of the eye?

150 mSv
100 mSv
200 mSv
50 mSv

The correct answer is: 150 mSv

The National Council on Radiation Protection and Measurements (NCRP) recommends an occupational dose limit for the lens of the eye of 150 mSv per year. This specific limit is grounded in scientific research that highlights the sensitivity of the lens to ionizing radiation and the potential for cataract formation at lower doses than previously understood. By establishing this limit, the NCRP aims to minimize the risk of radiation-induced ocular effects among occupationally exposed individuals, such as radiologic technologists. In contrast to other limits set for different parts of the body, this recommendation reflects a targeted effort to protect the eyes, which can significantly impact a person's quality of life and ability to perform tasks.