A&P 2 Ch. 27
Identify the structure that produces a fructose-rich fluid
10
Which structure is lined by a ciliated epithelium?
2
A typical ejaculation releases approximately _____ sperm
250 million
Arrange the four structures listed below into the order in which sperm pass from the testis to the urethral meatus 1. ductus deferens 2. urethra 3. ejaculatory duct 4. epididymis
4, 1, 3, 2
Which of the following statements concerning oogenesis is false?
About half the oogonia complete mitosis between birth and puberty
Interstitial cells
All of the answers are correct-- are also called Leydig cells produce testosterone respond to LH are located between seminiferous tubules
What is produced by the structure labeled "1"?
All of the answers are correct-- estrogen inhibin progesterone eggs
Which of the following is the function of the ovaries?
All of the answers are correct-- secretion of hormones secretion of inhibin production of oocytes formation of immature gametes
The reproductive system
All of the answers are correct-- transports gametes produces gametes stores gametes nourishes gametes
Which of the following is not a similarity between the testis and ovary?
Both produce progesterone
The pituitary hormone that stimulates the interstitial cells to secrete testosterone is
LH
The spermatic cord is
a bundle of tissue that contains the ductus deferens, blood vessels, nerves, and lymphatics that serve the testis
The ______ is the largest portion of the uterus
body
After ovulation, the ovary secretes
both estrogen and progesterone
The small paired structures at the base of the penis that secrete a thick, alkaline mucus are the
bulbo-urethral glands
The inferior one-third portion of the uterus that projects into the vagina is the
cervix
Identify the structure labeled "1."
corpora cavernosa
The paired erectile bodies in the penis are the
corpora cavernosa
Identify the structure labeled "2."
corpus spongiosum
The erectile tissue that surrounds the urethra is the
corpus spongiosum
Identify the structure labeled "4."
ductus deferens
The organ that carries sperm from the epididymis to the urethra is the
ductus deferens (vas deferens)
Identify the structure labeled "12."
ejaculatory duct
Identify the structure labeled "6."
epididymis
Spermatozoa are functionally matured within the
epididymis
The granulosa cells of developing follicles secrete
estradiol
The broad ligament is a(n)
extensive mesentery that encloses the ovaries, uterine tubes, and uterus
A primary spermatocyte matures into ______ spermatids having ______ chromosomes
four; 23
During the proliferative phase of the menstrual cycle, the
functional zone of the endometrium is restored
Which of the following descriptions best matches the term uterine tube?
has ciliated epithelium
Which region of the uterine tube captures the ovum?
infundibulum
The role of FSH in males is to
initiate sperm production in the testes
Testosterone is secreted by the
interstitial cells
A mature follicle releases an ovum in response to a surge in
luteinizing hormone
The special type of cell division required to produce gametes is called
meiosis
The uterine phase that develops because of a fall in progesterone levels is the
menses
Which of the following is not an action of estrogen?
mimics the symptoms of menopause
The thick muscular layer of the uterus is the
myometrium
The surge in luteinizing hormone that occurs during the middle of the ovarian cycle triggers
ovulation
Sperm are moved along the ductus deferens (vas deferens) by
peristaltic contractions
Menstruation is triggered by a drop in the levels of
progesterone
The principal hormone secreted by the corpus luteum is
progesterone
The PSA test is used for diagnosis of
prostate cancer
Identify the structure labeled "11."
prostate gland
The organ that surrounds the urethra and produces an alkaline secretion is the
prostate gland
Identify the structure labeled "9."
scrotum
The cells that are formed during spermatogenesis by the first meiosis are called
secondary spermatocytes
The nurse cells of the seminiferous tubules do all of the following except
secrete testosterone
The organ that produces a secretion that contains fructose, prostaglandins, and fibrinogen is the
seminal gland (seminal vesicle)
Which of the following glands contributes the most volume to semen?
seminal gland (seminal vesicle)
Sperm production occurs in the
seminiferous tubules
When spermatogonia divide, the daughter cells are called
spermatocytes
Semen contains all of the following except
spermatogonia
Sperm develops from stem cells called
spermatogonia
The process of spermiogenesis produces
spermatozoa
What is produced by the structure labeled "7"?
spermatozoa and testosterone
Identify the structure labeled "3."
spongy urethra
Follicle-stimulating hormone
stimulates maturation of primordial follicles in the ovary
Interstitial cells produce
testosterone
During the menses,
the old functional layer is sloughed off
Which of the following descriptions best matches the term myometrium?
thick layer of smooth muscle cells
Identify the structure labeled "5."
urethra
The male reproductive system is most closely associated with which of the following systems?
urinary
The organ that transports the ovum to the uterus is the
uterine (Fallopian) tube
Identify the structure labeled "2."
uterine tube
The organ that provides mechanical protection and nutritional support for the developing embryo is the
uterus
Identify the structure labeled "12."
vagina
