Radiation Safety Practice Exam

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Study for the Radiation Safety Exam. Test your knowledge with multiple choice questions, each equipped with hints and explanations. Prepare effectively and confidently!

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What is a significant consequence of isotopes remaining in the body for an extended period of time?

  1. They increase metabolic activity

  2. They ionize living tissue over time

  3. They enhance tissue repair

  4. They dilute with bodily fluids

The correct answer is: They ionize living tissue over time

When isotopes remain in the body for an extended period, they can emit radiation that leads to the ionization of living tissue. This process occurs as the radiation interacts with the atomic structures of cells, potentially causing damage to DNA and other critical cellular components. Ionization can disrupt normal cell function and may lead to mutations, cancer, and other health issues over time. The presence of radioactive isotopes in biological systems can have serious long-term effects, as the continued emission of radiation contributes to cumulative exposure. This biological impact distinguishes the correct answer, highlighting the primary health concern associated with internal contamination by radioactive materials.

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