Which of the following hormones is secreted by the hypothalamus and regulates the release of thyroid-stimulating hormone from the anterior pituitary gland?

A Thyrotropin-releasing hormone ✓
B Growth hormone-releasing hormone
C Corticotropin-releasing hormone
D Prolactin-releasing hormone

Explanation

Thyrotropin-releasing hormone (TRH) is a peptide hormone produced by the hypothalamus that stimulates the release of thyroid-stimulating hormone (TSH) from the anterior pituitary gland, which in turn regulates thyroid hormone production.

Mnemonic

'TRH' → 'The Right Hormone' for thyroid regulation

Source

Berne and Levy Physiology
Hormones and Endocrine Markers Endocrinology Hypothalamic-Pituitary Axis Hard MEDICAL Confidence: high