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← ScienceWhich consequence results when insufficient hydration during extended high-intensity exercise?
A)Electrolyte imbalance hinders nerve function✓
B)Anaerobic respiration boosts ATP production
C)Increased glycogenolysis supports power output
D)Enhanced vasodilation reduces cardiac stress
💡 Explanation
Electrolyte imbalance arises from sweat loss; insufficient water hinders ionic dissociation, disrupting nerve function because sodium and potassium ion concentrations become too low; therefore impaired nerve impulse transmission occurs, rather than optimized performance under ideal conditions.
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