What is the primary role of Inhibin in the human body?

A Stimulating the production of follicle-stimulating hormone (FSH)
B Inhibiting the production of luteinizing hormone (LH)
C Regulating the growth and differentiation of germ cells
D Inhibiting the production of follicle-stimulating hormone (FSH) ✓

Explanation

Inhibin is a hormone that inhibits the production of follicle-stimulating hormone (FSH) from the pituitary gland, thus regulating the reproductive cycle.

Source

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