41) Choose the correct statement regarding semen.

A) The fluid component of semen is a mixture of glandular secretions with a distinct ionic and nutrient composition.

B) Seminal fluid contains a prostatic enzyme, which functions in liquefying clotted semen.

C) Of the total volume of seminal fluid, the prostate contributes about 60 percent.

D) Seminal fluid contains an abundant amount of a waxy material called smegma.

E) A normal sperm count ranges from 5 million to 15 million spermatozoa per milliliter of semen.

42) The female structure that is derived from the same embryonic structures as the penis in males is the

A) vagina.

B) clitoris.

C) vestibule.

D) labia minora.

E) labia majora.

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

A) estrogen.

B) progesterone.

C) LH.

D) FSH.

E) gonadotropin.

44) The tubular structure of the uterus that projects a short distance into the vagina is called the

A) urethra.

B) ejaculatory duct.

C) cervix.

D) perimetrium.

E) isthmus.

45) Which structure(s) in the female has(have) the same embryological origin as the corpus spongiosum in males?

A) hymen

B) vestibular bulbs

C) clitoris

D) fornix

E) vagina

46) The shallow recess surrounding the cervical protrusion is known as the

A) isthmus.

B) fornix.

C) fundus.

D) body.

E) os.

47) The vestibule is

A) a central space surrounded by the labia minora.

B) the inner lining of the uterus.

C) the inferior portion of the uterus.

D) a muscular tube extending between the uterus and the external genitalia.

E) a tube that carries ova from the ovary to the uterus.

48) Which of the following is(are) described as an adipose-containing, fleshy structure that encircles and partially conceals external genital structures?

A) mons pubis

B) vestibule

C) clitoris

D) labia minora

E) labia majora

49) In the mammary glands, 15 to 30 of these expanded chambers open onto the surface of each nipple.

A) lobes

B) lobules

C) lactiferous ducts

D) lactiferous sinuses

E) suspensory ligaments

50) The anterior enlargement of erectile tissue in females is known as the

A) fornix.

B) vestibule.

C) hymen.

D) clitoris.

E) isthmus.