What is the primary role of the hormone aldosterone in the renin-angiotensin-aldosterone system?

A To stimulate the secretion of insulin
B To regulate electrolyte balance and blood pressure ✓
C To inhibit the production of thyroid hormones
D To promote the growth of bone tissue

Explanation

Aldosterone plays a crucial role in regulating electrolyte balance and blood pressure by promoting the retention of sodium and water in the body.

Mnemonic

Aldosterone = Aldo 'stores' sodium

Source

Guyton and Hall Textbook of Medical Physiology
Hormones and Endocrine Markers Endocrinology Adrenal Gland Hormones Medium MEDICAL Confidence: high