What is the primary function of inhibin, a hormone produced by the granulosa cells of the ovary?

A Stimulate follicular growth and development
B Inhibit the production of follicle-stimulating hormone (FSH) ✓
C Regulate the menstrual cycle
D Maintain pregnancy

Explanation

Inhibin is a hormone that inhibits the production of follicle-stimulating hormone (FSH) from the pituitary gland, thereby regulating follicular growth and development.

Source

Lehninger Principles of Biochemistry
Hormones and Endocrine Markers Reproductive Endocrinology Ovarian Hormones Hard MEDICAL Confidence: high