Why does shivering, rather than sweating, begin when an anesthetized patient's core body temperature drops below the hypothalamic set point?

💡 Explanation

Shivering initiates because the primary mechanism to increase body temperature is rapid heat generation through muscle contraction. Anesthesia doesn't directly impair sweat gland function, rather than shivering being bypassed, therefore, shivering is activated to restore core temperature.

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