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The role of FSH in males is to
A) initiate sperm production in the testes.
B) stimulate the interstitial cells to produce testosterone.
C) influence sexual behaviors and sex drive.
D) develop and maintain secondary sex characteristics.
E) stimulate the nurse cells to produce inhibin.

A) initiate sperm production in the testes

A rise in the blood levels of follicle-stimulating hormone at the beginning of the ovarian cycle is responsible for
A) menstruation.
B) menopause.
C) follicle maturation.
D) ovulation.
E) atresia.

C) follicle maturation

The inferior portion of the uterus that projects into the vagina is the
A) body.
B) isthmus.
C) fundus.
D) cervix.
E) fornix.

D) cervix

A primary spermatocyte matures into ________ spermatids having ________ chromosomes.
A) four; 23
B) millions of; 23
C) four; 46
D) millions of; 46
E) one; 46

A) four; 23

The spermatic cord is
A) a dense layer of connective tissue that surrounds the testis.
B) the external marking of the boundary between the two chambers of the scrotum.
C) a layer of smooth muscle in the skin of the scrotal sac.
D) a narrow opening that links the scrotal chamber with the peritoneal cavity.
E) a bundle of tissue that contains the ductus deferens, blood vessels, nerves, and lymphatics that serve the testis.

E) a bundle of tissue that contains the ductus deferens, blood vessels, nerves, and lymphatics that serve the testis.

The pituitary hormone that stimulates the interstitial cells to secrete testosterone is
B) LH.
E) GH.


During the menses
A) a new uterine lining is formed.
B) the corpus luteum is most active.
C) the old functional layer is sloughed off.
D) progesterone levels are high.
E) secretory glands and blood vessels develop in the endometrium.

C) the old functional layer is sloughed off.

The organ that provides mechanical protection and nutritional support for the developing embryo is the
A) ovary.
B) uterine tube.
C) uterus.
D) vagina.
E) cervix.

C) uterus

Each of the following statements concerning oogenesis is true, except that
A) by the time of their birth, girls have already lost about 80 percent of their oocytes.
B) about half the oogonia complete mitosis between birth and puberty.
C) oogenesis begins before birth.
D) ova develop from stem cells called oogonia.
E) an ovum completes its last meiosis after it is fertilized.

B) about half the oogonia complete mitosis between birth and puberty

Sperm production occurs in the
A) epididymis.
B) seminal glands (seminal vesicles).
C) seminiferous tubules.
D) ductus deferens.
E) rete testis.

C) seminiferous tubules

The vulva includes all of the following, except the
A) labia majora.
B) clitoris.
C) labia minora.
D) mons pubis.
E) vagina.

E) vagina

Inward projections of the tunica albuginea, known as septa, divide the testis into
A) straight tubules.
B) the epididymis and the testis proper.
C) seminiferous tubules.
D) lobules.
E) rete testorum

D) lobules.

The special type of cell division required to produce gametes is called
A) mitosis.
B) maturation.
C) capacitation.
D) fertilization.
E) meiosis.

E) meiosis.

The portion of the uterine tube that ends in fingerlike fimbriae is the
A) proximal segment.
B) distal segment.
C) infundibulum.
D) isthmus.
E) ampulla.

C) infundibulum.

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
A) 4, 1, 2, 3
B) 4, 3, 1, 2
C) 4, 1, 3, 2
D) 1, 3, 4, 2
E) 1, 4, 3, 2

C) 4, 1, 3, 2

The nurse cells of the seminiferous tubules do all of the following, except that they
A) secrete androgen-binding protein.
B) maintain the blood-testis barrier.
C) secrete inhibin.
D) support spermiogenesis.
E) secrete testosterone.

E) secrete testosterone

During meiosis I, maternal and paternal chromosomes fuse together during the process called ________ to form a ________.
A) synapsis; chromatid
B) synapsis; tetrad
C) synapsis; spermatid
D) prophase I; chromatid
E) metaphase II; tetrad

B) synapsis; tetrad

Interstitial cells produce
A) androgen-binding protein.
B) androgens.
C) sperm.
D) nutrients.
E) inhibin.

B) androgens.

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