question

The epithelium of the seminiferous tubules consists of

answer

spermatogenic cells and sustentacular cells.

question

Causes of erectile dysfunction include

answer

underlying disease, such as diabetes mellitus

question

The last fluid expelled from the urethra during ejaculation comes from the

answer

seminal vesicles.

question

The zona pellucida consists of

answer

glycoprotein.

question

The dimensions of a uterine tube are

answer

0.7 centimeters in diameter and about 10 centimeters long.

question

A woman going through menopause may take ______ to minimize the symptoms.

answer

hormone replacement therapy

question

A mammary gland contains ____ lobes

answer

fifteen to twenty

question

A hysterosalpinogram measures or shows

answer

whether or not a uterine tube is open.

question

Each epididymis emerges from the bottom of a testis.

answer

false

question

As many as twenty primary ovarian follicles may reach maturity simultaneously.

answer

False

question

The broad, suspensory, and ovarian ligaments hold an ovary in position.

answer

True

question

The development, maintenance, and regulation of the male and female reproductive systems are the functions of:

answer

reproductive hormones

question

Name the cells that produce androgens (including testosterone).

answer

interstitial cells of the testes

question

Identify the correct sequence for the steps of meiosis I.

answer

Prophase I-metaphase I-anaphase I-telophase I

question

The bulbourethral glands secrete

answer

a mucus-like fluid.

question

Semen

answer

is all of the above.

question

The hormone responsible for the development and maintenance of male secondary sex characteristics is

answer

testosterone.

question

Male secondary sex characterisitics include

answer

all of the above.

question

Which of the following terms is/are correctly defined?

answer

All of the above

question

In females, which structure is immediately anterior to the vagina?

answer

Urethra

question

Signs of menopause include

answer

shrinking of the vagina, uterus, and breasts.

question

A cause of female infertility is failure of ovulation due to hyposecretion of hormones from the

answer

anterior pituitary gland.

question

"You can't possibly have breast cancer," said Jim to his roommate Eliot, who was distraught after a visit to a doctor. "You're a man!" "No, Jim. A certain percentage of breast cancer cases are in men." That percentage is

answer

1.0

question

The structures of the female reproductive system that surround the openings to the urethra and vagina comprise the mons pubis.

answer

false

question

Two chromosomes that match each other gene for gene, with one coming from the mother and one from the father, are called:

answer

homologous chromosomes.

question

Indicate which male reproductive structures produce semen. Check all that apply.

answer

testes, bulbourethral glands, prostate gland, seminal vesicles

question

A diaphragm or a condom used with spermicide are examples of ________ methods of birth control.

answer

barrier

question

Of the various classes of birth control methods, the most effective is:

answer

surgical intervention.

question

The number of sperm cells that form from a primary spermatocyte is

answer

4

question

The structure of a testis can be described as composed of

answer

about 250 lobules, each of which contains 1 to 4 seminiferous tubules.

question

Which of the following correctly describes an erection?

answer

Parasympathetic neurons release nitric oxide causing dilation of small arteries in the penis.

question

A mammary gland contains ____ lobes.

answer

fifteen to twenty

question

The glands in a lobe of a breast

answer

drain into alveolar ducts, which drain into a lactiferous duct that leads to the nipple.

question

Which of the following is (are) forms of contraception?

answer

All of the above

question

Possible problems from donating eggs include

answer

all of the above.

question

Undescended testes cause infertility because

answer

sperm development is impeded by the higher internal body temperature.

question

In endometriosis,

answer

tissue resembling the inner uterine lining grows in the abdominal cavity.

question

A hysterosalpinogram measures or shows

answer

whether or not a uterine tube is open.

question

Ciliary action aids movement of an egg through a uterine tube.

answer

True

question

Indicate some of the functions of testosterone. (Check all that apply.)

answer

formation and maintenance of penis, scrotum, and accessory organs, causes descent of testes into scrotum, growth of hair, particularly on chest, face, axillary, and pubic region

question

Name the primary sex organs

answer

gonads (testes and ovaries)

question

The average length of the epididymis is

answer

6 meters.

question

The structure the sperm enters upon exiting the ductus deferens is the

answer

ejaculatory duct.

question

The inner mucosal layer of the uterine wall is the

answer

endometrium.

question

Primary oocyte production begins before birth.

answer

true

question

Endometriosis can result in the formation of fibrous tissue around the ovaries and can prevent ovulation or obstruct the uterine tubes.

answer

true

question

Birth control methods that involve the woman receiving a combination of estrogen and progestin (as the "pill" or as patch, ring, or injection) function as birth control by:

answer

preventing development, ovulation, or implantation of an oocyte.

question

Meiosis is necessary because

answer

otherwise the fertilized ovum will have too much genetic material.

question

The epithelium of the seminiferous tubules consists of

answer

spermatogenic cells and sustentacular cells.

question

Causes of erectile dysfunction include

answer

underlying disease, such as diabetes mellitus.

question

The average length of the epididymis is

answer

6 meters.

question

The dimensions of a uterine tube are

answer

0.7 centimeters in diameter and about 10 centimeters long.

question

Factors that may suggest prostate cancer include

answer

all of the above.

question

A hysterosalpinogram measures or shows

answer

whether or not a uterine tube is open.

question

The secretions of the prostate gland neutralize the acid in semen.

answer

true

question

Measles can inflame the testes, impairing fertility by destroying cells in the seminiferous tubules.

answer

false

question

As many as twenty primary ovarian follicles may reach maturity simultaneously.

answer

false

question

Which of the following structures is unpaired?

answer

Prostate gland

question

The bulbourethral glands secrete

answer

a mucus-like fluid.

question

The egg, or ovum, is more correctly called

answer

a secondary oocyte.

question

In the reproductive cycle, estrogen _____, whereas progesterone _____.

answer

stimulates uterine wall development; stimulates the uterine lining to become more glandular

question

A mammary gland contains ____ lobes.

answer

fifteen to twenty

question

The glands in a lobe of a breast

answer

drain into alveolar ducts, which drain into a lactiferous duct that leads to the nipple.

question

The testes originate from tissues posterior to the parietal pleura.

answer

false

question

The structures of the female reproductive system that surround the openings to the urethra and vagina comprise the mons pubis.

answer

false

question

Endometriosis can result in the formation of fibrous tissue around the ovaries and can prevent ovulation or obstruct the uterine tubes. correct

answer

true

question

The process of meiosis I during sperm development results in cells called:

answer

secondary spermatocytes.

question

Fertilization normally occurs in the

answer

uterine tube.

question

The hormone mainly responsible for the development and maintenance of female secondary sexual characteristics is

answer

estrogen.

question

In the reproductive cycle, estrogen _____, whereas progesterone _____.

answer

stimulates uterine wall development; stimulates the uterine lining to become more glandular

question

The testes originate from tissues posterior to the parietal pleura.

answer

false

question

Each epididymis emerges from the bottom of a testis.

answer

false

question

The primary organs of the female reproductive system are the uterus and vagina.

answer

false

question

An increase in the level of FSH at approximately day 14 causes ovulation.

answer

false

question

Endometriosis can result in the formation of fibrous tissue around the ovaries and can prevent ovulation or obstruct the uterine tubes.

answer

true

question

During the female reproductive cycle, the trigger for ovulation is:

answer

surge in blood levels of luteinizing hormone.

question

Undifferentiated spermatogenic cells are called

answer

spermatogonia.

question

The interstitial cells of the testes produce

answer

androgens.

question

The inner mucosal layer of the uterine wall is the

answer

endometrium.

question

A woman going through menopause may take ______ to minimize the symptoms

answer

hormone replacement therapy

question

The most commonly used oral contraceptives contain

answer

synthetic estrogen and progesterone

question

A cause of female infertility is failure of ovulation due to hyposecretion of hormones from the

answer

anterior pituitary gland

question

Define capacitation.

answer

Weakening of the acrosomal membrane, conferring on the sperm the ability to fertilize an egg.

question

During the female reproductive cycle, menstruation is triggered when:

answer

blood levels of estrogens and progesterone drop.

question

Of the various classes of birth control methods, the most effective is:

answer

surgical intervention.

question

A circumcision removes

answer

the prepuce.

question

Sperm cells mature in the

answer

epididymides.

question

The interstitial cells of the testes produce

answer

androgens.

question

Lulu is 53 and has not had her menstrual period in a year. Several times a day, she feels a tingling in her upper chest, and then heat washes over her, in an upwards direction. It is intensely uncomfortable for about 5 minutes, during which she is nearly overwhelmed with an urge to fling off her clothing. The cause of Lulu's hot flashes is

answer

an increase in gonadotropin concentration and a decrease in estrogen concentration.

question

In the reproductive cycle, estrogen _____, whereas progesterone _____.

answer

stimulates uterine wall development; stimulates the uterine lining to become more glandular

question

In endometriosis,

answer

tissue resembling the inner uterine lining grows in the abdominal cavity.

question

The ductus deferentia are muscular tubes, each about 25 centimeters long.

answer

false

question

Of the stages of spermatogenesis, which cells have 46 chromosomes?

answer

spermatogonia and primary spermatocytes

question

The secretion of the prostate gland is slightly _____, helping to neutralize the pH of the fluid from the epididymis and the fluids of the female reproductive tract.

answer

alkaline

question

In males, testosterone is converted to ______, which then stimulates cells of the prostate gland, seminal vesicles, and external accessory organs.

answer

dihydrotestosterone

question

Within the mammary glands, milk is produced by _____ glands.

answer

alveolar

question

The epididymis, coiled on the outer surface of the testis, becomes the

answer

ductus deferens.

question

Undifferentiated spermatogenic cells are called

answer

spermatogonia

question

The last fluid expelled from the urethra during ejaculation comes from the

answer

seminal vesicles.

question

A Pap smear is used to detect abnormal cells in the

answer

cervix.

question

The zona pellucida consists of

answer

glycoprotein.

question

In females, which structure is immediately anterior to the vagina?

answer

Urethra

question

Signs of menopause include

answer

shrinking of the vagina, uterus, and breasts.

question

In the reproductive cycle, estrogen _____, whereas progesterone _____.

answer

stimulates uterine wall development; stimulates the uterine lining to become more glandular

question

The glands in a lobe of a breast

answer

drain into alveolar ducts, which drain into a lactiferous duct that leads to the nipple.

question

Capacitation makes sperm tails whip more quickly.

answer

false

question

Ciliary action aids movement of an egg through a uterine tube.

answer

true

question

Of the stages of spermatogenesis, which cells have 46 chromosomes?

answer

spermatogonia and primary spermatocytes

question

A condition called _______, in which the bacteria spread throughout the reproductive organs, can result from gonorrheal or chlamydial infections.

answer

pelvic inflammatory disease

Chapter 22 A&P 139 – Flashcards

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