Multiple choice

Which hormone helps to maintain the balance of salts and water in the blood?

  1. Cortisol

  2. Calcitonin

  3. Testosterone

  4. Aldosterone
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

It plays a central role in the regulation of blood pressure mainly by acting on the distal tubules and collecting ducts of the nephron, increasing reabsorption of ions and water in the kidney, to cause the conservation of sodium, secretion of potassium, increase in water retention, and increase in blood pressure and blood volume.

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