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← Nature & AnimalsWhich outcome occurs when a hibernating groundhog experiences sudden environmental warming above threshold?
A)Rapid vasodilation causing arrhythmia✓
B)Increased brown fat thermogenesis
C)Suppressed shivering thermogenesis
D)Glycogenolysis halting metabolism
💡 Explanation
When a groundhog experiences sudden warming, rapid vasodilation occurs to dissipate heat by increased blood flow near the skin surface stemming from decreased sympathetic nerve activity, potentially causing blood pressure dysregulation with resulting heart arrhythmia. Therefore arrhythmia potentially results, rather than brown fat activation, suppressed shivering, resulting from other mechanisms,
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