Deck 23: Fertilization, Placentation, and Lactation

Question 1

What cells are found between the basement membrane and the epithelium of the lactiferous ducts?

A) Columnar cells
B) Cuboidal cells
C) Fat cells
D) Myoepithelial cells
E) Secretory cells

Answer 1

D
Myoepithelial cells

Question 2

Following fertilization and after about 3 days of cell division, the developing organism is considered a ____ as it moves along the uterine tube toward the uterus.

A) Blastula
B) Fetus
C) Gastrula
D) Morula
E) Zygote

Answer 2

D
Morula

Question 3

Which part of the spermatozoa contains digestive enzymes that aid in fertilization?

A) Acrosome
B) Basal plate
C) End piece
D) Neck
E) Tail

Answer 3

A
Acrosome

Question 4

Which of the following statements about the trophoblast is false?

A) It develops into the embryo proper
B) It helps form the placenta
C) It invades the endometrium during implantation
D) It is the outer layer of cells around the blastula
E) It secretes human chorionic gonadotropiin

Question 5

Where does fertilization usually occur?

A) Cervix
B) Ovary
C) Oviduct
D) Uterus
E) Vagina

Question 6

The opening of the uterus into the vagina is the _____.

A) Cervix
B) Infundibulum
C) Ovary
D) Oviduct
E) Uterine tube

Question 7

What structure secretes estrogen and progesterone for approximately 3 months following fertilization?

A) Corpus albicans
B) Corpus luteum
C) Mature follicle
D) Placenta
E) Tunica albuginea

Question 8

Rapid cell division without organismal growth is called

A) Cleavage
B) Implantation
C) Meiosis
D) Mitosis
E) Oogenesis