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Topic: Endocrine glands and hormones, mechanism of action· Human Physiology

GnRH, a hypothalamic hormone, needed in reproduction, acts on :

1. anterior pituitary gland and stimulates secretion of LH and FSH.

2. posterior pituitary gland and stimulates secretion of oxytocin and FSH.

3. posterior pituitary gland and stimulates secretion of LH and relaxin.

4. anterior pituitary gland and stimulates secretion of LH and oxytocin.

1 answer

Best answer

Answer: 1. anterior pituitary gland and stimulates secretion of LH and FSH.

Key idea: Hypothalamic releasing hormones act on the anterior pituitary.

GnRH acts on the anterior pituitary and stimulates secretion of the gonadotropins LH and FSH. Oxytocin is made in the hypothalamus but stored and released from the posterior pituitary, and relaxin comes from the ovary. Answer: (1).

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report
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