Chapter 23: reproductive system Flashcards
The role of FSH in the male reproductive system is to…
a. convert testosterone into dihydrotestosterone
b. stimulate spermatogenesis
c. inhibit GnRH
d. stimulate the secretion of testosterone
e. influence the development of male secondary sexual characteristics
b. stimulate spermatogenesis
Match the following:
sertori cells
……….: cells that support, protect and nourish developing spermatogonia
Match the following:
follicles
……….: contain developing oocytes
Match the following:
spermatogonia
……….: immature sperm cells
Match the following:
leydig cells
……….: cells that secrete testosterone
Match the following:
corpus luteum
……….: secretes progesterone and estrogens
Secretions from the seminal vesicles…
a. appear milky
b. inhibit testosterone release
c. help lubricate the end of the penis
d. contribute to semen’s acidity
e. affect semen clotting
e. affect semen clotting
Which of the following is true?
a. meiosis is the process by which somatic (body) cells divide
b. the haploid chromosome number is symbolized by 2n
c. meiosis II results in diploid spermatocytes and oocytes
d. gametes contain the haploid chromosome number
e. gametes contain 46 chromosomes in their nuclei
d. gametes contain the haploid chromosome number
The uterus is the site of all of the following except…
a. menstrual fluids
b. implantation of a fertilized ovum
c. ovulation
d. labor
e. development of the fetus
c. ovulation
Menstruation is triggered by a
a. rapid rise in lutenizing hormone (LH)
b. rapid fall in lutenizing hormone (LH)
c. drop in estrogens and progesterone
d. rise in estrogens and progesterone
e. rise in inhibin
c. drop in estrogens and progesterone
an inflammation of the seminiferous tubules would interfere with the ability to…
a. secrete testosterone
b. produce sperm
c. secrete LH
d. make semen alkaline
e. regulate the temperature in the scrotum
b. produce sperm
What causes erection of the penis?
a. sympathetic nerve impulses
b. relaxation of smooth muscle in penile arteries
c. dilation of penile veins
d. peristaltic contractions
e. all of the above
b. relaxation of smooth muscle in penile arteries
Which of the following is NOT a function of semen?
a. transport sperm
b. lubricate the reproductive tract
c. provide an acidic environment needed for fertilization
d. provide nourishment for sperm
e. produce antibiotics to destroy some bacteria
c. provide an acidic environment needed for fertilization
Prior to ejaculation, sperm are stored in the…
a. spermatic cord
b. scrotum
c. seminal vesicles
d. ejaculatory ducts
e. ductus (vas) deferens and epididymis
e. ductus (vas) deferens and epididymis
Place the following in the correct order for the pasage of sperm from the testes to the outside of the body
- urethra
- ductus (vas) deferens
- seminiferous tubules
- ejaculatory duct
- external urethral orifice
- epididymis
a. 6, 3, 2, 4, 1, 5
b. 3, 2, 6, 4, 1, 5
c. 3, 6, 2, 4, 1, 5
d. 3, 6, 2, 4, 5, 1
e. 2, 4, 6, 1, 3, 5
c. 3, 6, 2, 4, 1, 5
In males, the gland that surrounds the urethra at the base of the urinary bladder is the…
a. glans penis
b. prostate
c. seminal vesicle
d. bulbourethral gland
e. greater vestibular gland
b. prostate
An oocyte is moved toward the uterus by…
a. peristaltic contractions of the uterine (fallopian) tubes
b. contraction of the uterus
c. gravity
d. swimming
e. flagella
a. peristaltic contractions of the uterine (fallopian) tubes
Fertilization normally occurs in the…
a. vagina
b. cervix
c. uterus
d. ovary
e. uterine tube
e. uterine tube
In the female reproductive system, lubricating mucus is produced by the…
a. vulva
b. hymen
c. mons pubis
d. greater vestibular glands
e. labia minora
d. greater vestibular glands
Ovarian follicles mature during…
a. the menstrual phase
b. ovulation
c. the postovulatory phase
d. the preovulatory phase
e. the luteal phase
d. the preovulatory phase
Match the following with the right name:
……….: area between thighs and buttocks
perineum
Match the following with the right name:
……….: contains modified sebaceous glands
areola
Match the following with the right name:
……….: opening of the uterus to the vagina
cervix
Match the following with the right name:
……….: opening of the vagina to the body’s exterior
vaginal orifice
Match the following with the right name:
……….: external genitals of the female
vulva
Match the following with the right name:
……….: erectile tissue
clitoris
Match the following with the right name:
……….: milk-secreting glands
alveoli
the portion of the uterus responsible for its contraction is the…
a. fundus
b. infundibulum
c. endometrium
d. myometrium
e. perineum
d. myometrium
Match the following with the right function:
gonadotropin-releasing hormone (GnRH)
………: released by the hypothalamus to regulate the ovarian cycle
Match the following with the right function:
follicle-stimulating hormone (FSH)
………: stimulates the initial secretion of estrogens by growing follicles
Match the following with the right function: luteinizing hormone (LH)
………: stimulates ovulation
Match the following with the right function:
estrogens
………: stimulates growth, development and maintenance of the female reproductive system
Match the following with the right function:
progesterone
………: works with estrogens to prepare the uterus for implantation of a fertilized ovum
Match the following with the right function:
relaxin
………: assists with labor by helping to dilate the cervix and increase flexibility of the pubic symphysis
Match the following with the right function:
inhibin
………: inhibits release of FSH by the anterior pituitary
Birth control pills are a combination of ovarian hormones that prevent pregnancy by…
a. neutralizing the pH of the vagina
b. inhibiting motility of the sperm
c. causing early ovulation, before the follicle is mature
d. preventing sperm from entering the uterus
e. inhibiting the secretion of LH and FSH from the pituitary gland
e. inhibiting the secretion of LH and FSH from the pituitary gland
