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← Nature & AnimalsWhich outcome occurs when a hibernating groundhog briefly arouses and experiences vasodilation in its extremities?
A)Increased heat loss to the environment✓
B)Accelerated depletion of brown fat stores
C)Suppressed shivering thermogenesis rate
D)Reduced metabolic rate in core organs
💡 Explanation
When a hibernating groundhog arouses and experiences peripheral vasodilation, increased blood flow near the skin surface allows convective heat transfer to the surroundings because of the temperature gradient. Therefore increased heat loss to the environment results, rather than enhanced fat depletion, shivering suppression, or reduced core metabolism, which demand specialized/opposing mechanisms.
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