KROK 1 2015 – Question 52 · KROK (Medicine) · Physiology

For people adapted to high external temperatures profuse sweating is not accompanied by loss of large volumes of sodium chloride. This is caused by the effect the following hormone has on the perspiratory glands:

  1. A. Natriuretic
  2. B. Thyroxin
  3. C. Aldosterone
  4. D. Cortisol
  5. E. Vasopressin
Hint

Sweat ducts can take sodium back from the fluid passing through them, much as renal tubules do; ask which hormone regulates that process when salt must be spared.

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