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← Human Body & HealthWhich failure mode becomes likely in elderly patients as cumulative oxidative stress compromises cellular repair mechanisms?
A)Increased red blood cell production
B)Enhanced collagen synthesis
C)Accelerated telomere shortening✓
D)Improved elastin fiber resilience
💡 Explanation
Telomere shortening becomes likely because oxidative stress damages DNA and impairs repair enzymes, therefore accelerating the rate of telomere attrition with each cell division, rather than enhancing collagen or red blood cell production which require functional repair mechanisms. Elastin resilience decreases with age, not improves.
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