The part of the brain that issues instructions to the pituitary gland is the

1. The part of the brain that issues instructions to the pituitary gland is the • Hypothalamus • Cerebellum • Cerebrum • Brain stem

2. In a negative feedback mechanism, high levels of a hormone • Inhibit production of more hormone • Stimulate production of more hormone • Increase nerve impulses • Decrease nerve impulses

3. Sperm cells are produced by meiosis in the • Epdidymis • Vas deferens • Seminiferous tubules • Scrotum

4. The gamete-producing organs of the female reproductive system is the • Corpus luteum • Fallopian tube • Ovary • Seminiferous Tubule

5. A typical adult male • Is born with all the sperm he will ever produce. • Produces sperm during a monthly cycle. • Produces several hundred million sperm each day. • Both (1) and (3)

6. After sperm mature, they move into the urethra by way of the • Penis • Vas deferens • Seminal vesicles • Testes

7. Menstruation in humans usually occurs • About 28 days after ovulation • About 14 days after ovulation • Following fertilization of egg.

8. The testes • Produce Sperm • Secrete testosterone • Located in the scrotum • All of the above

9. The fallopian tubes • Secrete estrogen • Produce eggs • Are where the Ovum travels through • All of the above

10. This is where implantation occurs.

11. 3 1 4 2 5 This structure secretes an alkaline fluid to neutralize the acidity in the female reproductive tract.

12. What is an advantage of asexual reproduction? • Results in variation. • Uses a lot of energy to find a mate. • More offspring are produced over a short period of time. • Requires male and female gametes.

13. Once hormones are produced they are secreted into the… • Nerves • Endocrine glands • Ovaries • Bloodstream

14. At what stage has the egg been released into the fallopian tube? • Menstruation • Follicular Stage • Corpus Luteum Stage • At any point in the cycle

15. Menstruation occurs because • The follicle develops • Ovulation occurs • Corpus Luteum Appears • Corpus Luteum Degenerates

16. Identical twins result from • One fertilized egg. • Two fertilized eggs. • One Egg fertilized by 2 sperm. • Two Eggs fertilized by 1 sperm.

17. When does ovulation occur? • Surge in FSH levels. • Surge in LH levels • Surge in Estrogen levels. • Surge in Progesterone level.

18. FSH has a direct effect on what ovarian event? • Formation of the corpus luteum • Disintegration of the uterine lining • Development of the follicle • Secretion of progesterone

19. The formation of the corpus luteum coincides with what other event? • The growth of the follicle • A rise in the level of progesterone in bloodstream. • The disintegration of uterine lining. • Menstruation

20. Disintegration of the endometrium is caused by a decrease in this hormone. • FSH • LH • Progesterone • Testosterone

21. Which of the following is the correct pathway of the sperm out of the male’s body? • A B C D • C B E AB • E AB AC D • AC C A B

22. Which of the female hormones are pituitary hormones? • FSH • Estrogen • Progesterone • Testosterone

23. There are 2 hormones A and B, how would they interact during negative feedback? • If hormone A increases, hormone B increases • If hormone A increases, hormone B decreases • If hormone A increases, nothing happens to hormone B

24. Which of the following set of hormones would be elevated during pregnancy? • HCG and progesterone • LH and progesterone • LH and HCG • FSH and progesterone

25. Sexual reproduction ensures survival of a population in the face of environmental challenges • True • False

26. What is another name for a fertilized egg? • Blastula (blastocyst) • Gastrula • Gamete • Zygote

27. When this hormone increases, it signals the pituitary gland to stop making FSH • LH • Progesterone • HCG • Estrogen