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It is necessary for the testes to be kept below body temperature.

True

The Pap smear is a test to detect cancerous changes in cells of the cervix.

True

The adenohypophyseal hormone that triggers ovulation is estrogen.

False

The female hormone most responsible for triggering ovulation is FSH.

False

The male urethra serves the urinary system only.

False

Both tetrads and crossovers are seen during meiosis.

True

Failure to attain erection is called impotence.

True

Ovulation occurs near the end of the ovarian cycle.

False

The corpus luteum secretes progesterone only.

False

Female orgasm is required for conception.

False

The primary function of the testes is to produce testosterone.

False

The prostate atrophies as a man ages, and it usually causes no health problems.

False

The stage in meiosis where chromosomal exchange takes place is telophase.

False

The diamond-shaped area between the coccyx, pubic arch, and ischial tuberosities in the female is the vulva.

False

The soft mucosal lining of the uterus is the endometrium.

true

A scrotal muscle that contracts in response to cold environmental temperature is the cremaster.

true

The secretions of the bulbourethral glands neutralize traces of acidic urine in the urethra and serve as a lubricant during sexual intercourse.

True

The zona pellucida is formed as the follicle becomes a secondary follicle.

true

The molecule that enhances the ability of testosterone to promote spermatogenesis is inhibin.

false

The hormone oxytocin combines with enzymes in semen to enhance sperm motility.

False

When a couple is having difficulty conceiving a child, it is necessary to investigate the sperm of the male.

true

The amount of testosterone and sperm produced by the testes is dependent on the influence of FSH alone.

false

Ovarian follicles contain mature eggs.

false

Sexually transmitted diseases are the most important cause of reproductive disorders.

true

Pain during ovulation is called dysmenorrhea.

false

A human egg or sperm contains 23 pairs of chromosomes.

True

The dartos and cremaster muscles are important to the integrity of the male reproductive system. Which of the following is true about the role they play?

They regulate the temperature of the testes

Which of the following constitutes the female counterpart of the male scrotum?

labia majora

Human egg and sperm are similar in that ________.

they have the same number of chromosomes

The constancy of the chromosome number from one cell generation to the next is maintained through ________.

Meiosis

Fertilization generally occurs in the ________.

fallopian tubes

Spermiogenesis involves _.

the formation of a functional sperm by the stripping away of superfluous cytoplasm

All of the following can be considered male secondary sex characteristics except the ________.

development of testes as opposed to ovaries

In humans, separation of the cells at the two-cell state following fertilization may lead to the production of twins, which in this case would be ________.

Identical

Characteristics of the mature sperm include ________.

the presence of Y chromosomes in approximately half the sperm

Functions of testosterone include ________.

facilitation of muscle and skeletal growth in mass

Effects of estrogen include ________.

growth of the breasts at puberty

The ability of sperm cells to move along the ductus deferens is due to ________.

peristaltic contractions

Secretion of progesterone stimulates ________.

preparation of the mammary glands for lactation

Which of the following statements about sperm is not true?

The sperm midpiece consists of Golgi bodies spiraled tightly around the contractile filaments of the tail

The cells that produce testosterone in the testis are called ________.

interstitial cells

The testicular cells that construct the blood-testis barrier are the ________.

sustentacular cells

Erection of the penis results from ________.

a parasympathetic reflex

Which is not a part of the proliferative phase of the female menstrual cycle?

corpus luteum

Select the correct statement about the testis.

The testis is surrounded by the tunica vaginalis

Select the correct statement about male sexual response.

Erection is the result of vascular spaces in the erectile tissues filling with blood

The ovaries ________.

are surrounded by the tunica albuginea

Select the correct statement about mammary glands.

The breasts of most nonpregnant females are composed of fat and connective tissue

The ability of a male to ejaculate is due to the action of ________.

the bulbospongiosus muscles

During the secretory phase of the menstrual cycle ________.

progesterone levels are at their highest

Select the correct statement about the uterine cycle.

If fertilization occurs, the corpus luteum is maintained by a hormone secreted by the developing embryo

What mechanism divides the testes into lobules?

septal extensions of the tunica albuginea

Which of the following statements is true concerning the mammary glands of both males and females?

The mammary glands are modified sweat glands that are actually part of the integumentary system

Normally menstruation occurs when ________.

blood levels of estrogen and progesterone decrease

The basic difference between spermatogenesis and oogenesis is that ________.

in oogenesis, one mature ovum is produced, and in spermatogenesis four mature sperm are produced from the parent cell

Occasionally three polar bodies are found clinging to the mature ovum. One came from an unequal division of the ovum, but from where did the other two arise?

The first polar body has also divided to produce two polar bodies

Which of the following will occur after ovulation?

endometrium enters its secretory phase

The seminal vesicles ________.

produce a yellowish fluid rich in fructose

Spermatogenesis ________.

involves a kind of cell division limited to the gametes

The most important risk for testicular cancer in young males is ________.

nondescent of the testes

The brain-testicular axis ________.

involves FSH and LH release

Select the correct statement about testosterone control.

GnRh from the hypothalamus causes FSH and LH release from the anterior pituitary

Which of the following is a correct statement about uterine tubes?

The infundibulum is the funnel-shaped region near the ovary

Select the correct statement about the hormonal events of the ovarian cycle.

High estrogen levels result in a surge of LH release

Which of these statements about sexually transmitted diseases is false?

Syphilis is caused by a virus that may lead to death if untreated

Which of the following statements about spermatogenesis is not true?

Each spermatid forms two sperm.

A boy who has not passed through puberty sustains an injury to his anterior pituitary such that FSH is no longer released, but LH is normal. After he grows to maturity, one would expect that he would ________.

be sterile

Which of the following statements about the female reproductive process is not true?

Rebuilding the endometrium is under the control of prolactin

A low secretion of luteinizing hormone (LH) in the normal male adult would cause ________.

decreased testosterone secretion

All of the following statements referring to the uterine cycle are true except ________.

FSH and LH directly promote development of the uterine endometrium

Which of the following glands are responsible for 60% of the synthesis of semen?

seminal vesicles

Which of the following phases or processes in the monthly reproductive cycle of the female occur simultaneously?

regression of the corpus luteum and a decrease in ovarian progesterone secretion

The duct system of the male reproductive system includes ________.

ductus deferens, a duct that runs from the epididymis up into the pelvic cavity

An ovulating oocyte is actually activated by hormones about ________ days before ovulation.

110

Prostate cancer is _______.

sometimes a slow-growing cancer that may never represent a threat to the patient

Which of the following hormones controls the release of anterior pituitary gonadotropins?

GnRH

The primary function of the uterus is to ________.

receive, retain, and nourish a fertilized ovum

The corpus luteum is ________.

the ruptured follicle following the ejection of an oocyte from the ovary

The structures that receive the ovulated oocyte, providing a site for fertilization, are called ________.

fallopian tubes

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