Reproduction

1. Which male organ is homologous to a woman's ovary?
a. glans of penis
b. bulbourethral glands
*c. testes
d. scrotum

2. Which of these structures release testosterone into the male reproductive system?
*a. Cells of Leydig
b. Androgenous cells
c. Orchitic cells
d. Sertoli (nurse) cells

3. All of the following are female secondary sex characteristics except...
a. Clitoris
*b. Ovaries
c. Breasts
d. Feminine Shape

4. The release of a mature oocyte in the female reproductive system is also known as __________.
a. Menarche
*b. Ovulation
c. Puberty
d. Amenorrhea

5. How long does it take for a sperm to mature?
a. 30 days
b. 45 days
*c. 65 days
d. 2 weeks

6. What is a homologous tissue?
a. a tissue that has the same genes.
*b. a tissue that has the same tissues but develop into different functions.
c. no such thing.
d. produces sperm.

7. A person with the genotype XO has
*a. ovaries.
b. testes.
c. both ovaries and testes.
d. neither ovaries nor testes.

8. What determines the sex phenotype in humans?
a. somatic cells
b. adult stem cells
c. gonadotropin
*d. chromosomes

9. Fertilization normally occurs in...?
a. the ovaries
*b. the uterine tubes
c. the uterus
d. the vagina

11. When does ovulation occur?
a. when progesterone levels goes up and peaks
b. when progesterone levels goes down.
c. when estrogen levels goes down.
* d. when estrogen levels goes up and peaks

12. Joe has a bulge in the groin area that seems to get worse when he lifts things. This most likely is
a. epididymitis
b. testicular cancer
c. varicocele
d. hydrocele
*e. inguinal hernia

13. Sally has noticed that her cervical mucus has changed and now resembles egg whites- from this Sally could assume
a. her period will begin soon
b. nothing, this is a normal occurrence
c. she has a yeast infection
*d. she is ovulating

14. Debbie recently went to the OBGYN and was diagnosed with PCOS (polycystic ovary syndrome) because of this she has
a. nothing, its normal in women
b. antisperm antibodies
c. an overproduction of LH
d. leaking of milk from her mammary glands
*e. problems becoming pregnant

15. An embryo with the genotype XX develops female accessory sex organs because of?
a. androgens
b. estrogens
*c. lack of androgens
d. lack of estrogens

16. The contents of the birth control pill
a. inhibit secretion of gonadotrophins
b. exert negative feedback on the hypothalamus
c.prevent ovulation
d. maintain the endometrium
*e. all of these

17. How many pairs of chromosomes do humans have?
a. 22 pairs
*b. 23 pairs
c. 46 pairs
d. 32 pairs

18. Why are the testies located outside of the body?
a. To look different from women
*b. The sperm must be kept at a lower temperature that the rest of the body
c. The urine is stored there
d. They are outside the body to help maintain proper homeostasis

19. The average baby girl is born with how many eggs?
a. none until hit puberty
*b. 2 million
c. 400
d. a dozen