51) The largest macroscopic region of the uterus is its
A) fundus.
B) body.
C) cervix.
D) fornix.
52) The zona pellucida
A) is the portion of the placenta in which maternal blood contacts fetal tissues.
B) is a protective shell around the oocyte that sperm must penetrate for fertilization to occur.
C) is the region of the uterine tube where fertilization occurs.
D) is the remnant of the vesicular follicle that becomes the corpus luteum.
53) The prepuce of the clitoris is formed by
A) the fourchette.
B) the hymen of the vagina.
C) the labia minora.
D) the mons pubis.
54) The milk-producing cells in the breast are
A) adipose cells (because milk contains 4% fat).
B) columnar epithelial cells in lobules.
C) simple cuboidal epithelial cells in alveoli.
D) endocrine cells.
55) In females, the paramesonephric ducts give rise to
A) the ovaries.
B) the vestibule in the vulva.
C) the corpora cavernosa (erectile bodies).
D) the uterine tubes and uterus.
56) The epithelium lining the vagina is
A) simple columnar.
B) stratified squamous.
C) pseudostratified columnar.
D) simple squamous.
57) The most common site of ectopic pregnancy is the
A) uterus.
B) peritoneal cavity.
C) vagina.
D) uterine tube.
58) Which of the following events occurs when the testes do
not
descend before birth?
A) Male sex hormones will not circulate in the body.
B) Sperm will have no route of exit from the body.
C) Inadequate blood supply will retard the development of the testes.
D) Viable sperm will not be produced.
59) Which of the following organs does
not
contribute secretion(s) during the male sexual response?
A) prostate
B) seminal vesicles
C) bulbourethral glands
D) corpus cavernosum
60) During the proliferative phase of the uterine cycle, these vessels grow and proliferate.
A) arcuate arteries
B) radial arteries
C) spiral arteries
D) straight arteries