CH 28.1-28.2

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What is the hormone that directly stimulates testosterone production

LH

What is the term for the organs that produce gametes and hormones

gonads

Which reproductive gland encircles the urethra as it leaves the bladder and produces an acidic fluid that contributes to semen

prostate gland

The functions of the sustentacular cells (nurse cells) in the male include all of the following except

Secretion of testosterone

What is produced by spermiogenesis

Sperm

For a sperm to be able to fertilize an egg, it must undergo capacitation, which does not involve what process

Sperm mixing with secretions from the bulbourethral gland

Which of the following is accurate regarding the events of fertilization

Two haploid gametes combine to make the diploid zygote

Which of the following is not found in seminal fluids

smegma

The male gonad is the

testis

Which of the following structures are not found in the spermatic cord

Dartos muscle and cremaster muscle

For normal human reproduction to occur, which of the following organ systems would not necessarily have to function normally

Digestive system

The body of the spermatic cord is a structure that includes which of the following

Ductus deferens, blood vessels, nerves, and lymphatics

Which of the following do(es) NOT contribute to semen production

Endometrial glands

Which of the following is true regarding meiosis

Homologous chromosomes separate during meiosis I, and sister chromatids separate during meiosis II

Which of the following is not consistent with benign prostatic hyperplasia (BPH)

Occurs as estrogen levels drop

What is the function of the dartos and cremaster muscles

Regulating the temperature of the testes

Which of the following is not true of testosterone?

Testosterone is a protein.

Seminiferous tubules and newly produced sperm are separated from the general circulation and the immune system by all of the following except

blood brain barrier

Which of the following terms is not specifically used to describe egg and sperm

gonads

What hormone produced by the nurse cells depresses the formation of FSH and provides a negative feedback mechanism for the control of spermatogenesis

inhibin

Which hormone acts to reduce the rate at which the anterior pituitary produces FSH

inhibin

What is the function of the ducts of the reproductive systems

Receiving and transporting gametes

Which cells in the seminiferous tubules regularly undergo mitosis

Spermatogonia

Which of the following states the correct order in which are cells produced in spermatogenesis

Spermatogonium a primary spermatocyte a secondary spermatocyte a spermatid a sperm

Which of the following does not occur during spermiogenesis

The mitochondria and Golgi apparatus are packaged into the head of the sperm.

Which of the following statements about the bulbourethral glands is incorrect

They contribute approximately 25 percent of the semen volume.

The enzymes needed to bore into the corona radiata reside in which portion of the sperm?

acrosomal cap

Enzymes that help the sperm penetrate the ovum, or egg, are in the ________ of the sperm cell

acrosome

When sperm become motile and fully functional, they have undergone

capacitation

The secretions of the seminal vesicles are discharged into the _________________.

ejaculatory duct

The dense layer of connective tissue that directly covers the testes is the

tunica albuginea

The three masses of erectile tissue that compose the body of the penis are

two cylindrical corpora cavernosa and a slender corpus spongiosum

Which muscle is part of the spermatic cord

Cremaster muscle

The hormone that promotes spermatogenesis along the seminiferous tubules is

FSH

Which of the following is not a peripheral effect of testosterone

Facilitates both spermatogenesis and spermiogenesis

Which cells in the testes are responsible for producing testosterone and other androgens

Interstitial cells

Which of the following is not true of the epididymis

It connects the ductus deferens with the seminal vesicle.

Which statement about oogenesis mentions the one characteristic that is the same in spermatogenesis and oogenesis

Meiosis in oogenesis reduces the chromosome number by half

Which correctly describes mitosis and meiosis

Mitosis creates genetically identical cells, whereas meiosis creates genetically unique cells

Men over the age of 50 are periodically screened for prostate cancer by measuring the blood for elevated levels

PSA

What is the term for the human male gamete

Spermatozoon

The reproductive structures in the perineal region are called

external genitalia

What happens to the chromosome number as a result of meiosis

it is reduced by half

The female gonad is the

ovary

What structure is the female gonad?

ovary

Which of the following male reproductive structures is responsible for conducting semen into the vagina of the female

penis

The prostate, seminal vesicle, and bulbourethral glands do NOT

provide chemicals to make the female's vagina more acidic

The fleshy pouch that suspends the testes outside of the body cavity is the

scrotum

The external genitalia of the male include the

scrotum and the penis

The seminal vesicles __________.

secrete a fructose-rich, mucoid substance

The accessory organs in the male that secrete into the ejaculatory ducts and the urethra are the

seminal vesicles, prostate gland, and bulbo-urethral glands


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