1
The male and female reproductive systems
A) produce sex cells.
B) transport sex cells to sites of fertilization.
C) secrete hormones for developing secondary sex characteristics.
D) secrete hormones for maintaining secondary sex characteristics.
E) do all of the above.
E) do all of the above.
The cells in the testis that produce male sex hormones are called
A) spermatogenic
cells.
B) interstitial
cells.
C) germinal
epithelial cells.
D) seminiferous
cells.
E) spermatogonia.
B) interstitial
cells.
Undifferentiated spermatogenic cells are called
A) spermatogonia.
B) primary
spermatocytes.
C) secondary
spermatocytes.
D) spermatids.
E) sperm.
A) spermatogonia.
In spermatogenesis, meiosis results in the formation of
A) one sperm cell
with 23 chromosomes.
B) two sperm cells
with 46 chromosomes each.
C) four sperm cells
with 23 chromosomes each.
D) four sperm cells
with 46 chromosomes each.
E) one sperm cell with 46 chromosomes.
C) four sperm cells
with 23 chromosomes each.
5) The head of a sperm is mostly
A) mitochondria.
B) neurons.
C) membranes.
D) the nucleus.
E) microtubules.
D) the nucleus.
6) The tightly coiled tube that leads to the ductus deferens is the
A) seminal
vesicle.
B) prostate
gland.
C) epididymis.
D) inguinal
canal.
E) ejaculatory duct.
C) epididymis.
Androgens are
A) male sex
hormones.
B) releasing
hormones.
C) secreted by the anterior pituitary
gland.
D) gonadotropins.
E) female sex
hormones.
A) male sex
hormones.
The hormone responsible for the development and maintenance of male secondary sexual char‐
acteristics is
A) luteinizing
hormone.
B) follicle-stimulating hormone.
C) testosterone.
D) gonadotropin-releasing hormone.
E) inhibin.
C) testosterone.
Meiosis occurs during
A) spermatogenesis
only.
B) oogenesis
only.
C) both
spermatogenesis and oogenesis.
D) neither
spermatogenesis nor oogenesis.
E) tissue repair.
C) both
spermatogenesis and oogenesis.
Which of the following can be fertilized to produce a zygote?
A) Primordial follicle
B) Mature follicle
C) Primary oocyte
D) Secondary oocyte
E) Polar body
D) Secondary oocyte
The movement of an egg cell down a uterine tube is aided by
A) peristaltic
contractions.
B) none of the above.
C) both ciliary
action and peristaltic contractions.
D) ciliary
action.
E) flagellum on the
egg cell.
C) both ciliary
action and peristaltic contractions.
The tubular portion of the uterus that extends downward into the upper part of the vagina is the
A) ostium uteri.
B) cervix.
C) perimetrium.
D) endometrium.
E) fundus.
B) cervix.
The endometrium is the inner layer of the
A) uterine tube.
B) uterus.
C) vagina.
D) labia minora.
E) vestibule.
B) uterus.
The female structure that corresponds to the male penis is the
A) vagina.
B) clitoris.
C) vestibule.
D) labia minora.
E) cervix.
B) clitoris.
The hormone mainly responsible for the development and maintenance of female secondary
sexual characteristics is
A) estrogen.
B) progesterone.
C) androgen.
D) luteinizing
hormone.
E) follicle-stimulating hormone.
A) estrogen.
As a group, the structures of the female reproductive system that surround the openings to the
urethra and vagina comprise the ________________
vulva
In the female reproductive cycle, menstrual flow occurs when the concentrations of
A) estrogen and
progesterone are low.
B) estrogen and
progesterone are high.
C) estrogen is high
and progesterone is low.
D) progesterone is
high and estrogen is low.
E) estrogen and
progesterone are absent.
A) estrogen and
progesterone are low.
The hormone that stimulates female breast development is ____________________
estrogen
Following ovulation, the follicular cells of the ovary enlarge to form a structure called the ______________ ______________
corpus luteum
The period when female reproductive cycles cease is _________________
menopause
The primary sex organs of the male reproductive system are the ___________________
testes
Sperm cells are produced by the spermatogenic cells that line the ____________ _____________
seminiferous tubules
In the testes, male sex hormones are produced by the __________________________ cells.
interstitial
The tail of a sperm cell is a _________________
flagellum
___________________ is the process by which egg cells are formed.
Oogenesis