Reproductive System Study Guide

1. Why are the testes located outside of the body?

2. What is the correct pathway of sperm in males?

3. How many degrees cooler than the body does the sperm require in order to develop?

4. How many chromosomes does a sperm cell contain?

5. What is tied off during a vasectomy?

6. What hormone(s) does the pituitary gland release?

7. What hormones do the ovaries make?

8. What is the correct pathway of an egg from the ovary to the uterus?

9. What structure receives, retains, and nourishes fertilized ovum?

10. Where does fertilization occur?

11. What are some factors that can destroy sperm cells?

12. In order for fertilization to occur, sex must occur no more than how many days before ovulation?

13. What does the acrosome contain that weakens the plasma membrane off an egg cell?

14. What does the egg cell create once penetration of the membrane has occurred?

15. 36 hours after fertilization, what are the daughter cells called?

16. The term zygote is used following:

17. The embryo is called a morula after how many cells form?

18. What is a blastocyst?

19. How many days after fertilization does implamantation into the uterus occur?

20. What membrane forms the site of the umbilical cord?

21. What membrane forms a transparent sac that surrounds the embryo and fills with fluid?

22. What is the function of the umbilical cord?

23. What are the functions of the placenta?

24. What is occurring at the fourth week of development?

25. At what week can the sex be determined externally?

26. What is secreted from the sebaceous glands that help to protect the skin?

27. Between ______, the spinal cord becomes myelinated.

28. In what layer is fat laid down for insulation?

29. What do the lungs lack if the baby is born prematurely?

30. What part of the brain is unable to control temperature in a premature baby?

31. What are some preventable causes of prematurity?

32. The uterus grows from the size of a fist to the ______process.

33. What hormone is released during childbirth?

34. The baby’s head pushes against the cervix during childbirth, causing the tissue to thin out. What happens to the amniotic membrane?

35. What is the correct order of parturition?

36. The pituitary gland releases what hormone for lactation?

37. The first secretions are called:

38. Increased estrogen at mid-cycle stimulates the secretion of what hormone?

39. What inhibits FSH and LH secretions?

40. Where in the brain is the menstrual cycle regulated?

41. A growing follicle leads to ______.

#42-50: Be able to identify the following on the anatomical diagrams:

-Male: Vas deferens, epididymis, testes, scrotum

-Female: fimbriae, ovary, oviduct, endometrium (of uterus), cervix