Which hormone is responsible for regulating water balance and electrolyte levels in the body?

A Aldosterone
B Antidiuretic hormone (ADH) ✓
C Insulin
D Glucagon

Explanation

ADH, also known as vasopressin, helps regulate water balance by promoting water reabsorption in the kidneys, while aldosterone regulates electrolyte levels.

Source

Berne and Levy Physiology
Hormones and Endocrine Markers Endocrinology Posterior Pituitary Hormones Medium MEDICAL Confidence: high