Chapter 26 Flashcards Preview

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Flashcards in Chapter 26 Deck (31):
1

Which of the following is considered a primary sex organ in males?

testes

2

In response to warmth, the scrotum __________.

increases its surface area

3

interstitial cells

interstitial cells

4

seminiferous tubules

site of sperm production in the testes

5

tunica albuginea

ibrous capsule of the testes

6

epididymis

. site of sperm storage

7

pampiniform venous plexus

cools arterial blood to keep the testes below core temperature

8

The main component of semen is sperm.

false

9

he diploid chromosome number in humans is __________.

46

10

Which of the following is true about meiosis?

Meiosis produces cells that have a haploid chromosome number.

11

prophase I

crossovers

12

metaphase I

Tetrads align along the cell's equator.

13

anaphase I

Homologous chromosomes separate from one another.

14

telophase I

Two haploid daughter cells are formed.

15

telophase II

Four genetically unique haploid cells are formed.

16

Conversion of haploid spermatids to spermatozoa is specifically called __________.

spermiogenesis

17

The area of the sperm cell that contains many mitochondria is the __________.

midpiece

18

_________ acts upon the __________ to encourage the release of follicle-stimulating hormone (FSH) and luteinizing hormone (LH).

Gonadotropin-releasing hormone (GnRH); anterior pituitary

19

Which of the following is NOT an effect of testosterone?

decreases sperm production

20

The ovaries are situated retroperitoneally next to the kidneys.

False

21

fallopian tubes

generally the site of fertilization of the ovulated oocyte

22

fimbriae

finger-like projections that brush over the ovary

23

uterus

receives, retains, and nourishes a fertilized ovum

24

vagina

thin walled structure that connects the uterus to the body exterior

25

ovaries

. house and form the female gametes

26

The __________ is shed during menstruation.

stratum functionalis

27

The __________ of the mammary glands are responsible for producing milk during lactation.

alveoli

28

The pH of the adult female vagina is normally __________.

acidic

29

Choose the FALSE statement about oogenesis.

In humans, the secondary oocyte must complete meiosis II before it can be fertilized.

30

__________ stimulates the anterior pituitary to release follicle-stimulating hormone (FSH) and luteinizing hormone (LH).

Gonadotropin-releasing hormone

31

The functional layer of the endometrium is shed in response to __________.

decreased progesterone levels