A&P 2 Ch. 27

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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


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