Kaplan Nursing Entrance Practice Exam

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What is the primary role of FSH in human reproduction?

Stimulating ovulation
Stimulating gamete production
Regulating hormone levels
Developing secondary sexual characteristics

The correct answer is: Stimulating gamete production

The primary role of follicle-stimulating hormone (FSH) in human reproduction is to stimulate gamete production. In females, FSH is crucial for the growth and maturation of ovarian follicles, which are responsible for the production of eggs (oocytes). FSH encourages the follicles to develop and mature, ultimately leading to ovulation and the release of an egg during the menstrual cycle. In males, FSH stimulates the Sertoli cells in the testes, which are essential for the maturation of sperm cells. Therefore, FSH plays a vital part in initiating and maintaining the process of gametogenesis in both sexes, making it fundamental to the reproductive system. The other choices, while relevant to reproductive processes, do not capture the primary function of FSH specifically. Stimulating ovulation is mainly the role of luteinizing hormone (LH), and regulating hormone levels involves several hormones working together in a feedback system. Developing secondary sexual characteristics is primarily driven by sex hormones such as estrogen and testosterone rather than by FSH.