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The primary role of aldosterone in the body is

Question and options

The primary role of aldosterone in the body is
  1. Regulation of blood glucose levels
  2. Maintenance of electrolyte balance
  3. Control of body temperature
  4. Stimulation of growth hormone

Answer and explanation

Correct answer: B - Maintenance of electrolyte balance
Aldosterone, a mineralocorticoid, acts on the distal nephron to reabsorb Na+\mathrm{Na^+} and excrete K+\mathrm{K^+}, maintaining electrolyte (and hence fluid) balance.

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