The first physiological response to high environmental temperature is
Correct Answer: Vasodilatation
Description: Under mechanisms activated by heat cutaneous vasodilation comes first followed by sweating increased respiration, decreased heat production, anorexia, apathy, and ineia. Ref: Ganong&;s review of medical physiology; 23rd edition; pg: 285; Table 18-4.
Category:
Physiology
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