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Pathology

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Cell Injury

Question
30 out of 32
 

Which of the following is associated with aging – (LQ)



A Reduced cross linkages in collagen

B Increased free radical injury

C Decreased somatic mutations in DNA

D Increased superoxide dismutase levels

Ans. B Increased free radical injury

Free radical (reactive oxygen species) mediated damage is one of the important factor that contribute to cellular aging. The rate at which antioxidant system (catalase, peroxidas and superoxide dismutase) is synthesized declines with cell aging.

Cell Injury Flashcard List

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