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Medicin: frågor i boken > Chapter 23: reproductive system > Flashcards

Chapter 23: reproductive system Flashcards

1
Q

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

A

b. stimulate spermatogenesis

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2
Q

Match the following:

sertori cells

A

……….: cells that support, protect and nourish developing spermatogonia

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3
Q

Match the following:

follicles

A

……….: contain developing oocytes

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4
Q

Match the following:

spermatogonia

A

……….: immature sperm cells

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5
Q

Match the following:

leydig cells

A

……….: cells that secrete testosterone

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6
Q

Match the following:

corpus luteum

A

……….: secretes progesterone and estrogens

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7
Q

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

A

e. affect semen clotting

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8
Q

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

A

d. gametes contain the haploid chromosome number

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9
Q

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

A

c. ovulation

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10
Q

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

A

c. drop in estrogens and progesterone

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11
Q

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

A

b. produce sperm

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12
Q

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

A

b. relaxation of smooth muscle in penile arteries

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13
Q

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

A

c. provide an acidic environment needed for fertilization

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14
Q

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

A

e. ductus (vas) deferens and epididymis

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15
Q

Place the following in the correct order for the pasage of sperm from the testes to the outside of the body

  1. urethra
  2. ductus (vas) deferens
  3. seminiferous tubules
  4. ejaculatory duct
  5. external urethral orifice
  6. 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

A

c. 3, 6, 2, 4, 1, 5

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16
Q

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

A

b. prostate

17
Q

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

a. peristaltic contractions of the uterine (fallopian) tubes

18
Q

Fertilization normally occurs in the…

a. vagina
b. cervix
c. uterus
d. ovary
e. uterine tube

A

e. uterine tube

19
Q

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

A

d. greater vestibular glands

20
Q

Ovarian follicles mature during…

a. the menstrual phase
b. ovulation
c. the postovulatory phase
d. the preovulatory phase
e. the luteal phase

A

d. the preovulatory phase

21
Q

Match the following with the right name:

……….: area between thighs and buttocks

A

perineum

22
Q

Match the following with the right name:

……….: contains modified sebaceous glands

A

areola

23
Q

Match the following with the right name:

……….: opening of the uterus to the vagina

A

cervix

24
Q

Match the following with the right name:

……….: opening of the vagina to the body’s exterior

A

vaginal orifice

25
Q

Match the following with the right name:

……….: external genitals of the female

A

vulva

26
Q

Match the following with the right name:

……….: erectile tissue

A

clitoris

27
Q

Match the following with the right name:

……….: milk-secreting glands

A

alveoli

28
Q

the portion of the uterus responsible for its contraction is the…

a. fundus
b. infundibulum
c. endometrium
d. myometrium
e. perineum

A

d. myometrium

29
Q

Match the following with the right function:

gonadotropin-releasing hormone (GnRH)

A

………: released by the hypothalamus to regulate the ovarian cycle

30
Q

Match the following with the right function:

follicle-stimulating hormone (FSH)

A

………: stimulates the initial secretion of estrogens by growing follicles

31
Q 
Match the following with the right function:
luteinizing hormone (LH)
A

………: stimulates ovulation

32
Q

Match the following with the right function:

estrogens

A

………: stimulates growth, development and maintenance of the female reproductive system

33
Q

Match the following with the right function:

progesterone

A

………: works with estrogens to prepare the uterus for implantation of a fertilized ovum

34
Q

Match the following with the right function:

relaxin

A

………: assists with labor by helping to dilate the cervix and increase flexibility of the pubic symphysis

35
Q

Match the following with the right function:

inhibin

A

………: inhibits release of FSH by the anterior pituitary

36
Q

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

A

e. inhibiting the secretion of LH and FSH from the pituitary gland

Medicin: frågor i boken (9 decks)

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