Which hormone is responsible for regulating water balance and blood pressure in the human body?

A Aldosterone
B Antidiuretic hormone (ADH) ✓
C Adrenaline
D Cortisol

Explanation

Antidiuretic hormone (ADH), also known as vasopressin, regulates water balance and blood pressure by promoting water reabsorption in the kidneys.

Mnemonic

ADH = Aquatic Diuretic Hormone

Source

Berne and Levy Physiology
Hormones and Endocrine Markers Endocrinology Hormonal Regulation of Water and Electrolyte Balance Easy MEDICAL Confidence: high