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True or false
x12. Tissues with a rapid turnover are most vulnerable to radiation damage Tissues sensitive to radiation damage include hair follicles, bone marrow and gastrointestinal mucosa
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12. TRUE. The cells which are undifferentiated, well nourished, dividing quickly and highly active metabolically are the most sensitive to radiation damage. The cells which have lower metabolic and proliferation rate are the most resistant to radiation damage.

13. TRUE. Since they are undifferentiated, well nourished and dividing quickly.

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