Meiosis results in __________.
two identical diploid
cells
two nonidentical haploid cells
four identical
diploid cells
four nonidentical diploid cells
four
nonidentical haploid cells
four nonidentical haploid cells
In terms of the male sexual response, parasympathetic stimulation
causes __________.
fertilization
erection of the
penis
ejaculation
spermiogenesis
the penis to become flaccid
erection of the penis
The basic difference between spermatogenesis and oogenesis is that
__________.
the mature ovum is haploid and the sperm is
diploid
the mature ovum is diploid and the sperm is
haploid
two polar bodies are produced in spermatogenesis
one mature ovum is produced in oogenesis, and four mature sperm are
produced in spermatogenesis
spermatogenesis involves mitosis and
meiosis, but oogenesis involves meiosis only
one mature ovum is produced in oogenesis, and four mature sperm are produced in spermatogenesis
The organ that makes estrogen and progesterone is the
__________.
hypothalamus
vestibular gland
pineal gland
vagina
ovary
ovary
The primary sex organ(s) of the male is/are the __________.
epididymis
testes
prostate
penis
seminal vesicle
testes
The reason that the testes are suspended in the scrotum is to
__________.
create extra space for the sex organs
to reduce the chance of infection from the enteric bacteria
protect sperm from the immune system
to provide a cooler
temperature
place sperm storage sites nearer to the penis
to provide a cooler temperature
The sperm’s acrosome __________.
provides the blood
testis barrier
has a high density of mitochondria
provides
motility
contains enzymes
contains nutrients
contains enzymes
In terms of the male sexual response, parasympathetic stimulation
causes __________.
fertilization
erection of the
penis
ejaculation
spermiogenesis
the penis to become flaccid
erection of the penis
The usual site of fertilization is the __________.
vagina
vulva
ovary
uterine tube
uterus
uterine tube
The uterine layer shed with each monthly cycle is the
__________.
perimetrium
tunica
albuginea
myometrium
basal layer of
endometrium
functional layer of endometrium
functional layer of endometrium
__________ cells, located between seminiferous tubules, produce
testosterone.
Sustentacular
Interstitial
Myometrial
Follicle
Thalamic
Interstitial
In which uterine phase does the functional layer of the endometrium
start to rebuild?
preovulatory
proliferative
ovulation
secretory
menstrual
proliferative
What is the most common bacterial sexually transmitted disease in the
United States?
gonorrhea
genital warts
syphilis
chlamydia
vaginitis
chlamydia
Which cell type is ovulated from the ovary?
ovum
oogonium
primary oocyte
secondary oocyte
tertiary oocyte
secondary oocyte
In order, list the structures sperm will pass through from the testes
to the external urethral orifice.
epididymis, ampulla,
seminiferous tubules, vas deferens, spongy urethra, prostatic urethra,
ejaculatory duct
ejaculatory duct, epididymis, seminiferous
tubules, vas deferens, spongy urethra, prostatic urethra,
ampulla
epididymis, seminiferous tubules, ampulla, vas deferens,
prostatic urethra, ejaculatory duct, spongy urethra
seminiferous
tubules, epididymis, vas deferens, ampulla, ejaculatory duct,
prostatic urethra, spongy urethra
End of Question 15
seminiferous tubules, epididymis, vas deferens, ampulla, ejaculatory duct, prostatic urethra, spongy urethra
Which male structure is homologous to the female’s clitoris?
penis
pubis
scrotum
prostate gland
epididymis
penis
Which of the following represents the order in which reproductive
hormones are secreted in males?
FSH, GnRH, LH,
testosterone
FSH, LH, GnRH, testosterone
GnRH, LH/FSH,
testosterone, inhibin
FSH, GnRH, testosterone, LH
LH,
GnRH, FSH, testosterone
GnRH, LH/FSH, testosterone, inhibin
Within the ovary, progesterone is produced by the __________.
corpus luteum
tertiary follicles
corpus
albicans
secondary follicles
primary follicles
corpus luteum
Sperm are produced in the __________.
interstitial
cells
seminiferous tubules
prostate gland
seminal
gland
epididymis
spermatic cord
seminiferous tubules
In a typical or “average” cycle, ovulation occurs on day
__________.
1
5
14
21
28
14
Which hormone is responsible for the development of secondary sex
characteristics found in women?
progesterone
LH
estrogen
FSH
prolactin
estrogen
During anaphase I, what structures separate and move to opposite
poles of the cell?
sister chromatids
tetrads
nucleoli
nonhomologous chromosomes
tetrads
The muscular layer of the uterine wall is called the
__________.
perimetrium
myometrium
epimetrium
endometrium
myometrium
Which hormone stimulates the ruptured ovarian follicle to become the
corpus luteum?
GnRH
estrogen
LH
FSH
LH
Which of the following hormones is NOT involved in the regulation of
the number of sperm produced in the testes?
gonadotropin-releasing hormone
testosterone
PSA
inhibin
PSA
Which of the following statements about myoid cells is true?
They surround the seminiferous tubules and contract rhythmically
to squeeze sperm and testicular fluid through the tubules out of the
testes.
When they contract, they cause wrinkling of the scrotal
skin.
They elevate the testes.
They form a duct that conveys
sperm from the epididymis to the prostate gland.
They surround the seminiferous tubules and contract rhythmically to squeeze sperm and testicular fluid through the tubules out of the testes.
Which of the following structures help(s) to keep the testes at a
cool temperature?
the interstitial endocrine cells
the rete testis
the testicular arteries
the pampiniform plexus
the pampiniform plexus
Which of the following structures passes through the inguinal
canal?
the epididymis
the ejaculatory duct
the prostatic urethra
the spermatic cord
the spermatic cord
Which of the following structures makes up most of the male urethral
length?
spongy urethra
ejaculatory duct
membranous urethra
prostatic urethra
spongy urethra
Which statement about vasectomies is FALSE?
They involve
a minor surgical procedure.
They are approximately 10%
reversible.
The part of the ductus deferens that lies in the
scrotum is cut.
They are a highly effective method of birth control.
They are approximately 10% reversible.
Which of the following is considered a primary sex organ in
males?
scrotum
prostate gland
penis
testes
testes
In response to warmth, the scrotum __________.
increases
its surface area
becomes heavily wrinkled
decreases blood
flow to the testes
pulls the testes closer to the body
increases its surface area
The main component of semen is sperm.
True
False
False
The diploid chromosome number in humans is __________.
12
23
24
46
46
Which of the following is true about meiosis?
Meiosis
leads to the production of genetically identical cells.
Meiosis
involves only one cell division event.
Meiosis produces cells
that have a haploid chromosome number.
Meiosis is how most cells
in the body divide.
Meiosis produces cells that have a haploid chromosome number.
Conversion of haploid spermatids to functional sperm is specifically
called __________.
spermiogenesis
meiosis
spermatogenesis
mitosis
spermiogenesis
The area of the sperm cell that contains many mitochondria is the
__________.
head
tail
midpiece
acrosome
midpiece
__________ acts upon the __________ to encourage the release of
follicle-stimulating hormone (FSH) and luteinizing hormone (LH).
Testosterone; sustentocytes
Gonadotropin-releasing hormone
(GnRH); sustentocytes
Gonadotropin-releasing hormone (GnRH);
anterior pituitary
Testosterone; anterior pituitary
Gonadotropin-releasing hormone (GnRH); anterior pituitary
Which of the following is NOT an effect of testosterone?
maintains male libido
decreases sperm production
maintains
male secondary sex characteristics
stimulates maturation of male
sex organs
decreases sperm production
The ovaries are situated retroperitoneally next to the kidneys.
True
False
False
The __________ is shed during menstruation.
perimetrium
stratum basalis
myometrium
stratum functionalis
stratum functionalis
The __________ of the mammary glands are responsible for producing
milk during lactation.
lactiferous sinuses
alveoli
areolae
lactiferous ducts
alveoli
The pH of the adult female vagina is normally __________.
acidic
basic
neutral
alkaline
acidic
Choose the FALSE statement about oogenesis.
In
oogenesis, three polar bodies and one functional gamete are
produced.
Oogenesis occurs in the ovaries.
In humans, the
secondary oocyte must complete meiosis II before it can be
fertilized.
Primary oocytes are stalled in prophase I until puberty.
In humans, the secondary oocyte must complete meiosis II before it can be fertilized.
Which of the following are MISMATCHED?
follicular phase;
development of a secondary oocyte within a dominant follicle
luteal phase; characterized by decreased progesterone levels
ovarian cycle; monthly series of events associated with maturation of
an egg
ovulation; release of a secondary oocyte
luteal phase; characterized by decreased progesterone levels
__________ stimulates the anterior pituitary to release
follicle-stimulating hormone (FSH) and luteinizing hormone (LH).
Progesterone
Estrogen
Gonadotropin-releasing
hormone
Inhibin
Gonadotropin-releasing hormone
The functional layer of the endometrium is shed in response to
__________.
decreased progesterone levels
decreased
estrogen levels
increased progesterone levels
increased
estrogen levels
decreased progesterone levels
Which of the following is NOT an effect of estrogen?
helps to sustain the density of the skeleton
promotes the
development of secondary sex characteristics in females
promotes
oogenesis
promotes diuresis (water loss)
promotes diuresis (water loss)
Which of the following is FALSE regarding the female sexual
response?
The final phase of the female sexual response is
orgasm.
Female orgasm is not required for
conception.
Testosterone is the hormone that is primarily
responsible for female libido.
The female sexual response is
similar to that of males.
Testosterone is the hormone that is primarily responsible for female libido.
__________ is a sexually transmitted disease that is associated with
cervical cancer.
Trichomoniasis
Syphilis
Genital warts
Genital herpes
Genital warts
The __________ develop into the female duct system.
paramesonephric ducts
mesonephric ducts
gonadal
ridges
urethral folds
paramesonephric ducts