Chapter 26 Flashcards

1
Q

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

A

testes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

In response to warmth, the scrotum __________.

A

increases its surface area

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

interstitial cells

A

interstitial cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

seminiferous tubules

A

site of sperm production in the testes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

tunica albuginea

A

ibrous capsule of the testes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

epididymis

A

. site of sperm storage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

pampiniform venous plexus

A

cools arterial blood to keep the testes below core temperature

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

The main component of semen is sperm.

A

false

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

he diploid chromosome number in humans is __________.

A

46

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Which of the following is true about meiosis?

A

Meiosis produces cells that have a haploid chromosome number.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

prophase I

A

crossovers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

metaphase I

A

Tetrads align along the cell’s equator.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

anaphase I

A

Homologous chromosomes separate from one another.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

telophase I

A

Two haploid daughter cells are formed.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

telophase II

A

Four genetically unique haploid cells are formed.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Conversion of haploid spermatids to spermatozoa is specifically called __________.

A

spermiogenesis

17
Q

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

18
Q

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

A

Gonadotropin-releasing hormone (GnRH); anterior pituitary

19
Q

Which of the following is NOT an effect of testosterone?

A

decreases sperm production

20
Q

The ovaries are situated retroperitoneally next to the kidneys.

21
Q

fallopian tubes

A

generally the site of fertilization of the ovulated oocyte

22
Q

fimbriae

A

finger-like projections that brush over the ovary

23
Q

uterus

A

receives, retains, and nourishes a fertilized ovum

24
Q

vagina

A

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