1) Which hormone is responsible for stimulating the growth of ovarian follicles? a) LH b) Progesterone c) FSH d) Estrogen 2) High estrogen levels just before ovulation will cause: a) Negative feedback on LH b) Positive feedback on LH c) Negative feedback on progesterone d) Decrease in FSH 3) After ovulation, which hormone prevents the pituitary from releasing FSH and LH? a) Estrogen b) Progesterone c) Testosterone d) FSH 4) Which of the following describes the role of progesterone in the menstrual cycle? a) Triggers LH surge b) Stimulates follicle growth c) Provides negative feedback to stop FSH and LH d) Increases FSH to prepare for ovulation 5) Why is estrogen considered a positive feedback hormone at the peak of its level? a) Because it decreases LH production b) Because it signals the pituitary to release more LH c) Because it prevents ovulation d) Because it stops progesterone production 6) It is responsible for the release of follicle-stimulating hormone (FSH) and luteinizing hormone (LH) from the hypothalamus gland. a) Gonadotropin Releasing Hormone b) Follicle-Stimulating hormone c) Estrogen d) Progesterone 7) It promotes the maturation and release of an ovum in every menstrual cycle. a) Estrogen b) Progesterone c) Follicle-stimulating hormone (FSH) d) Luteinizing Hormone (LH) 8) Which part of the male reproductive system produces sperm cells? a) Vas deferens b) Testes c) Urethra d) Prostate gland 9) What is the main function of the vas deferens? a) To produce testosterone b) To store urine c) To transport sperm from the testes to the urethra d) To nourish the sperm with fluids 10) Which hormone is primarily responsible for the development of male secondary sex characteristics? a) Estrogen b) Progesterone c) Testosterone d) Oxytocin 11) Which structure stores sperm until they mature and become capable of movement? a) Epididymis b) Seminal vesicle c) Scrotum d) Bulbourethral gland 12) What is the main role of the prostate gland? a) To store mature sperm b) To regulate testosterone levels c) To produce fluid that helps protect and nourish sperm d) To transport urine out of the body 13) Where does fertilization usually occur in the female reproductive system? a) Uterus b) Cervix c) Fallopian tube d) Ovary 14) Which organ sheds its lining during menstruation? a) Ovary b) Uterus c) Cervix d) Vagina 15) What is the primary function of the corpus luteum in the female reproductive system? a) To release an egg during ovulation b) To secrete progesterone and support the uterine lining c) To produce follicle-stimulating hormone (FSH) d) To trigger menstruation

Feedback Mechanism in the Menstrual Cycle

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