Ch. 28

e

A mature follicle releases an ovum in response to a surge in oxytocin. estrogen. follicle-stimulating hormone. progesterone. luteinizing hormone.

c

During the proliferative phase of the menstrual cycle, the endometrium finalizes the preparation for implantation. the corpus luteum is forming. the functional zone of the endometrium is restored. the fertilized ovum implants. the old functional layer is sloughed off.

e

During the secretory phase of the menstrual cycle the fertilized ovum implants. progesterone levels are high. the corpus luteum is formed. endometrial glands enlarge. All of the answers are correct.

d

Emission of semen depends on smooth muscle contraction in which of these organs? seminal vesicle prostate ampulla Emission of semen requires smooth muscle contraction in all of these organ

b

Follicle-stimulating hormone stimulates the thyroid follicles. stimulates maturation of primordial follicles in the ovary. stimulates ovulation. is important only in females. All of the answers are correct.

e

For erection to occur blood flow to the penis must increase. the sacral spinal cord must be intact. there must be sufficient blood hydrostatic pressure. nitric oxide must be present. All of the answers are correct.

b

Functions of the accessory glands of the male reproductive system include all of the following, except producing buffers. production of spermatozoa. propelling spermatozoa and fluids along the reproductive tract. meeting the nutrient needs of spermatozoa for motility. activating the spermatozoa.

a

Interstitial cells surrounding seminiferous tubules produce testosterone in response to __________. LH FSH GnRH a high protein diet and exercise

b

Semen contains all of the following, except prostaglandins. spermatogonia. fibrinogen. spermatozoa. seminal fluid.

d

Sperm develop from stem cells called spermatozoa. secondary spermatocytes. primary spermatocytes. spermatogonia. spermatids.

a

Sperm production occurs in the seminiferous tubules. seminal glands (seminal vesicles). rete testis. epididymis. ductus deferens.

a

Spermatozoa are functionally matured within the epididymis. ductus deferens. seminiferous tubules. rete testes. seminal gland (seminal vesicle).

d

Straight tubules originate at the seminiferous tubules and form a network of passageways called the vas deferens. epididymis. ductus deferens. rete testis. efferent ducts.

c

Testosterone is produced by __________. spermatogonia primary spermatocytes interstitial cells nurse cells

d

The __________ is the dense connective tissue that surrounds each testis. tunica vaginalis spermatic capsule median raphe tunica albuginea

b

The dominant ovarian hormone during the follicular phase is __________. relaxin estradiol inhibin progesterone

c

The erectile tissue that surrounds the urethra is the glans penis. corpus cavernosum. corpus spongiosum. membranous urethra. penile urethra.

b

The first haploid cell formed during spermatogenesis is the __________. spermatogonia secondary spermatocyte spermatid primary spermatocyte

a

The fold of skin that covers the glans penis is the prepuce. corpus spongiosum. corpus cavernosum. penile urethra. ejaculatory duct.

e

The granulosa cells of developing follicles secrete LH. GnRH. FSH. progesterone. estradiol.

a

The large and rapid rise of luteinizing hormone (LH) in the blood stream triggers __________. a. ovulation b. estrogen secretion c. follicle maturation d. menstruation

a

The lumen of the uterus is lined by the glandular __________. endometrium myometrium perimetrium mesometrium

c

The organ that produces a secretion that contains fructose, prostaglandins, and fibrinogen is the corpus cavernosum. prostate gland. seminal gland (seminal vesicle). preputial gland. bulbourethral gland.

e

The organ that provides mechanical protection and nutritional support for the developing embryo is the ovary. cervix. uterine tube. vagina. uterus.

d

The organ that transports the ovum to the uterus is the vagina. uterosacral ligament. infundibulum. uterine tube. myometrium.

b

The primary follicle develops from the ovarian hilum. primordial follicle. granulosa cells. ovarian follicles. ovarian stroma.

d

The principal hormone secreted by the corpus luteum is FSH. luteosterone. estrogen. progesterone. LH.

a

The process of spermiogenesis produces spermatozoa. primary spermatocytes. secondary spermatocytes. spermatogonia. spermatids.

e

The reproductive system nourishes gametes. produces gametes. stores gametes. transports gametes. All of the answers are correct.

e

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

d

The small paired structures at the base of the penis that secrete a thick, alkaline mucus are the prostate glands. seminal vesicles. Bartholin glands. bulbo-urethral glands. preputial glands.

a

The special type of cell division required to produce gametes is called meiosis. maturation. capacitation. fertilization. mitosis.

b

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

b

The surge in luteinizing hormone that occurs during the middle of the ovarian cycle triggers follicle maturation. ovulation. menopause. atresia. menstruation.

e

The uterine phase that develops because of a fall in progesterone levels is the secretory phase. the proliferative phase. the follicular phase. the luteal phase. the menses.

d

This causes a prominent bulge in the surface of the ovary. secondary follicle cortical gyrus follicular node tertiary follicle theca interna

a

What is the name of the structure that carries sperm from the epididymis to the internal pelvic cavity of a male? ductus deferens ureter urethra ejaculatory duct

e

When spermatogonia divide, the daughter cells are called spermatozoa. spermatogonia. spermatids. Sertoli cells. spermatocytes.

a

Which female reproductive structure is NOT found in the internal pelvic cavity of a female? labia minus and majus cervix uterus vagina

d

Which female reproductive structure secretes female sex hormones and produces oocytes? cervix vagina uterus ovaries

c

Which of the following does not occur after menopause? GnRH secretion increases ovulation ceases estrogen levels rise menstrual cycles cease FSH secretion increases

b

Which of the following is not an action of estrogen? stimulates bone growth mimics the symptoms of menopause maintains female secondary sex characteristics initiates repair of the endometrium maintains accessory reproductive organs

a

Which of the following male glands has both the urethra and the ejaculatory duct passing through it? prostate gland bulbo-urethral gland testes seminal vesicle

a

Which of the following male reproductive structures produces spermatozoa and androgen hormones (primarily testosterone)? testes penis epididymis prostate gland

d

Which of these characteristics is not shared between the male and female reproductive systems? the presence of gonads the production of gametes the experience of orgasm All of these are shared characteristics between the male and female reproductive systems.

c

Which of these reproductive system hormones is mismatched to its source? FSH; adenohypophysis inhibin; gonads oxytocin; adenohypophysis LH; adenohypophysis

b

Which tube is found anterior to the vagina? ureter urethra uterine tube rectum