Lecture 11: Reproductive

Question 1

Sperm develop from stem cells called

a. spermatogonia.
b. primary spermatocytes.
c. secondary spermatocytes.
d. spermatids.

Answer 1

a. spermatogonia.

Question 2

The organ that produces a secretion that contains fructose, prostaglandins, and fibrinogen is the

a. prostate gland.
b. bulbourethral gland.
c. seminal gland (seminal vesicle).
d. corpus cavernosum.

Answer 2

c. seminal gland (seminal vesicle).

Question 3

A sample of a woman’s blood is analyzed for reproductive hormone levels. The results indicate a high level of progesterone, relatively high levels of inhibin, and low levels of FSH and LH. The female is most likely experiencing ________ of the uterine cycle.

a. the proliferative phase
b. menses
c. the secretory phase
d. menopause.

Answer 3

c. the secretory phase

Question 4

During the proliferative phase of the menstrual cycle:

a. the corpus luteum is forming.
b. the functional zone of the endometrium is growing.
c. the fertilized ovum implants.
d. the old functional layer is sloughed off.

Answer 4

c. the fertilized ovum implants.

Question 5

Menstruation is triggered by a drop in the levels of

a. FSH.
b. LH.
c. inhibin.
d. progesterone.

Answer 5

d. progesterone.

Question 6

Where in the male reproductive system would you expect to find the most mature spermatozoa?

a. in the seminiferous tubules
b. in the head of the epididymis
c. in the ductus deferens and ejaculatory duct
d. in the seminal gland

Answer 6

c. in the ductus deferens and ejaculatory duct

Question 7

The portion of the uterine tube that ends in fingerlike fimbriae is the

a. ampulla.
b. distal segment.
c. infundibulum.
d. isthmus.

Answer 7

c. infundibulum.

Question 8

Interstitial cells:

a. are also called sustentacular cells.
b. respond to LH.
c. produce LH.
d. are located between stacks of spermatozoa.

Answer 8

b. respond to LH.

Question 9

Which of the following is NOT a similarity between the testis and ovary? Choose the FALSE answer.

a. both produce progesterone
b. meiosis takes place in both
c. both respond to follicle-stimulating hormone
d. both respond to luteinizing hormone

Answer 9

a. both produce progesterone

Question 10

A primary spermatocyte matures into ________ spermatids having ________ chromosomes.

a. millions of; 46
b. four; 23
c. one; 46
d. millions of; 23

Answer 10

b. four; 23