Which of the following hormones is responsible for regulating water balance in the body by acting on the kidneys?

A Aldosterone
B Antidiuretic hormone (ADH) ✓
C Thyroid-stimulating hormone (TSH)
D Growth hormone

Explanation

Antidiuretic hormone (ADH), also known as vasopressin, regulates water balance in the body by increasing water reabsorption in the kidneys, thus reducing urine output.

Mnemonic

ADH = Aquatic Diuretic Hormone

Source

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