This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology and Reproduction, Subject name: Physiology
Continuous administration of GnRH- 
Select and explain. 
A. Stimulates hypothalamic--pituitary axis, B. Suppresses hypothalamic--pituitary axis, C. May suppresses or stimulate hypothalamic--pituitary axis, D. Has so no effect on hypothalamic--pituitary axis
B: Suppresses hypothalamic--pituitary axis
Answer: B: Suppresses hypothalamic--pituitary axis 
Explanation: Ans. (b) Suppresses hypothalamic--pituitary axis(Ref: Ganong, 25th ed/p.327)Continuous (nonpulsatile) administration of GnRH inhibits the release of FSH and LH by the pituitary in both women and men