KROK 1 2023 – Question 63 · KROK (Medicine) · Physiology

Residents of areas with a cold climate have increased blood levels of a certain hormone that has an adaptive thermoregulatory value. What hormone is it?

  1. A. Insulin
  2. B. Glucagon
  3. C. Somatotropin
  4. D. Cortisol
  5. E. Thyroxine
Hint

Cold adaptation requires a higher basal heat production, so look for the hormone that raises metabolic rate and oxygen use in most tissues.

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