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Human Body & Health

Which mechanism causes weakened fracture repair during chronic stress?

A)Cortisol inhibiting bone remodeling
B)Increased serotonin mediated bone growth
C)Elevated insulin stimulating osteoblast activity
D)Estrogen enhancing calcium deposition rapidly

💡 Explanation

Elevated cortisol, released during chronic stress, inhibits bone formation during remodeling because the catabolic hormone impairs osteoblast function. Therefore, fracture repair weakens, rather than strengthens, due to reduced bone matrix deposition, not increased hormonal activity.

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