Certified Healthcare Safety Professional (CHSP) Practice Exam

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Prepare for the Certified Healthcare Safety Professional Exam. Access flashcards and multiple-choice questions, each offering detailed hints and explanations. Excel in your certification test!

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What does Optically Stimulated Luminescence Dosimeter (OSL) measure?

Radiation exposure from X-rays
The amount of radioactive material in blood
Radioactivity accumulated by crystals in sediments
Exposure to chemical hazards

The correct answer is: Radioactivity accumulated by crystals in sediments

The Optically Stimulated Luminescence Dosimeter (OSL) is specifically designed to measure exposure to ionizing radiation, such as that from X-rays or gamma rays. It operates by using a special type of aluminum oxide crystal that stores energy when exposed to ionizing radiation. When stimulated with light, these crystals release the stored energy as luminescence, which can then be measured to determine the amount of radiation exposure. Although the correct option isn't present in your selection, the context for understanding OSL rests on the fact that it directly quantifies radiation exposure rather than measuring the amount of radioactive material in the body or assessing exposure to chemical hazards. Its primary application lies in personal dosimetry for workers in environments where radiation exposure is a concern, such as hospitals, nuclear plants, and research facilities. Choosing an option related to accumulated radioactivity in sediments reflects a misunderstanding of the OSL's direct measurements concerning individual exposure rather than broader environmental radioactivity or chemical exposure.