A&P II Homework V Questions

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1

Sperm are moved along the ductus deferens by...

peristaltic contractions

2

The organ that monitors and adjusts the composition of tubular fluid, recycles damaged spermatozoa, and is the site of sperm maturation is the...

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epididymis

3

The organ that carries sperm from the epididymis to the urethra is the...

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ductus deferens

4

What muscles move the testes toward the body?

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both the cremaster and the dartos muscles

5

The spermatic cord is...

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

6

Sperm production occurs in the...

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seminiferous tubules

7

When spermatogonia divide, the daughter cells are called...

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spermatocytes

8

The cells that are formed during spermatogenesis by the first meiosis are called...

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secondary spermatocytes

9

The organ that produces a secretion that contains fructose, prostaglandins, and fibrinogen is the....

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seminal gland (seminal vesicle)

10

The organ that surrounds the urethra and produces an alkaline secretion is the...

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prostate gland

11

The small paired structures at the base of the penis that secret a thick, alkaline mucus are the...

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bulbo-urethral glands

12

Semen contains all of the following except...

spermatogonia

13

The special type of cell division required to produce gametes is called...

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meiosis

14

The fold of skin that covers the glans penis is the....

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prepuce

15

The role of FSH in males is to...

initiate sperm production in the testes

16

The male reproductive system is most closely associated with which of the following systems?

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urinary

17

The delicate layer of serous membrane that covers the testis is called the...

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tunica vaginalis

18

A primary spermatocyte matures into _______ spermatids having ______ chromosomes.

four; 23

19

Interstitial cells...

  • are also called Leydig cells
  • respond to luteinizing hormone
  • produce testosterone
  • are located between seminiferous tubules
20

Testosterone is secreted by...

interstitial cells

21
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Endometrium

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consists of a functional zone and basilar zone

22

The round ligaments extend from the...

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lateral margins of the uterus, through the inguinal canal to the external genitalia

23

Each of the following statements concerning oogenesis is true except that...

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  • oogenesis begins before birth
  • ova develop from stem cells called oogonia
  • an ovum completes its last meiosis after it is fertilized
  • by the time of their birth, girls have already lost about 80 percent of their oocytes
24

The surge in luteinizing hormone that occurs during the middle of ovarian cycle triggers...

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ovulation

25

A rise in the blood levels of follicle-stimulating hormone at the beginning of the ovarian cycle is responsible for...

follicle maturation

26

During the proliferative phase of the menstrual cycle,

the functional zone of the endometrium is restored

27

The vagina is...

a muscular tube extending between the uterus and external genitalia

28

The space bounded by the labia minora is the

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vestibule

29

The pigmented skin that surrounds the nipple is the...

areola

30

Menstruation is triggered by a droping the levels of

progesterone

31

Which of the following is not an action of estrogen?

  • mimics the symptoms of menopause
32

The portion of the uterine tube that ends in fingerlike fimbriae is the...

infundibulum

33

The segment of the uterine tube where fertilization commonly occurs is the...

boundary between the ampulla and ismthmus

34

A sample of a woman's blood is analyzed for reproductive hormone levels. The results indicate a high level of progesterone, relatively high levels of inhibin, and low levels of FSH and LH. The female is most likely experiencing _______ of the uterine cycle.

the secretory phase

35

The gradual modification of anatomical structures during the period from conception to maturity is....

development

36

Contact of a sperm with the oocyte membrane causes...

oocyte activation

37

After fertilization, the first cell division is completed...

more than a day later

38

The site where fertilization normally occurs is in the...

upper one-third of the uterine tube

39

After ovulation, the layer of follicle cells that surround the unfertilized egg is called the...

corona radiata

40

The developmental period that is the period of all embryological

...