A&p Ii Final Exam Ch. 25

Front 1

Meiosis starts with a single diploid cell and produces

Back 1

four haploid cells.

Front 2

A cell preparing to undergo meiosis duplicates its chromosomes during

Back 2

interphase.

Front 3

During prophase I of meiosis

Back 3

homologous chromosomes stick together in pairs.

Front 4

The correct order of events during meiosis is

Back 4

prophase I, metaphase I, anaphase I, telophase I, cytokinesis, meiosis II.

Front 5

During meiosis, segments of nonsister chromatids can trade places. This recombination of maternal and paternal genetic material is a key feature of meiosis. During what phase of meiosis does recombination occur?

Back 5

prophase I.

Front 6

Mitosis produces cells that are ___________; meiosis produces cells that are ___________.

Back 6

diploid; haploid

Front 7

The primary sex organs are also called __________.

Back 7

gonads

Front 8

Synapsis and crossing over takes place during __________.

Back 8

prophase I of meiosis

Front 9

Two identical copies of the same chromosome are called __________.

Back 9

sister chromatids

Front 10

The mode of cell division that results in the formation of daughter cells that are genetically identical to the original cell is called _____.

Back 10

mitosis

Front 11

Complete this analogy: Testes are to gonads as sperm are to:

Back 11

gametes.

Front 12

The reduction in the number of chromosomes to half the normal count occurs during:

Back 12

meiosis.

Front 13

A parent cell has 28 chromosomes and completes meiosis. How many chromosomes result in each cell produced?

Back 13

14 chromosomes

Front 14

The fusion of sperm and egg is known as:

Back 14

fertilization.

Front 15

Meiosis is a special type of cell division that produces:

Back 15

gametes.

Front 16

Which structure is part of both the reproductive and the urinary system in males?

Back 16

urethra

Front 17

Which of the following glands produces the majority of the fluid in semen?

Back 17

seminal vesicles

Front 18

Where does sperm production occur within the testis?

Back 18

seminiferous tubules

Front 19

Which of the following male accessory sex glands produces a yellowish secretion containing fructose, prostaglandins, coagulating proteins and enzymes?

Back 19

seminal vesicle

Front 20

Semen is expelled from the body during:

Back 20

ejaculation

Front 21

The stem cells that give rise to new sperm are called __________.

Back 21

spermatogonia

Front 22

Which hormone is directly responsible for the development of secondary sex characteristics in males?

Back 22

testosterone

Front 23

The process of male gamete, or sperm cell, development is known as:

Back 23

spermatogenesis.

Front 24

How many spermatids result from one spermatogonium?

Back 24

4

Front 25

Spermiogenesis begins with a ________ and ends with a ________.

Back 25

spermatid, sperm

Front 26

Which of the following is the main hormone that regulates spermatogenesis?

Back 26

testosterone

Front 27

A male bodybuilder takes testosterone supplements to increase his muscle mass. After three weeks, which of the following do you expect to observe?

Back 27

Excess testosterone inhibits production of gonadotropin-releasing hormone (GnRH).

Front 28

At what point in life does spermatogenesis begin in a male?

Back 28

puberty

Front 29

The structures that catch the oocyte upon ovulation are the __________.

Back 29

fimbriae

Front 30

The innermost epithelial layer of the uterus is the __________.

Back 30

endometrium

Front 31

Where does fertilization usually occur?

Back 31

ampulla of the uterine tube

Front 32

Where should a fertilized ovum implant?

Back 32

uterus

Front 33

Which of the following is the most inferior portion of the uterus?

Back 33

cervix

Front 34

What portion of the uterus is composed of smooth muscle and contracts rhythmically during orgasm and childbirth?

Back 34

myometrium

Front 35

What part of the female reproductive system receives the penis during sexual intercourse?

Back 35

vagina

Front 36

Which of the following is the correct order of developing follicles and their remnants during the ovarian cycle?

Back 36

primordial follicle ( secondary follicle ( vesicular follicle ( corpus luteum

Front 37

In the female reproductive system, FSH stimulates __________.

Back 37

granulosa cells to produce estrogens

Front 38

All of the following are female secondary sex characteristics EXCEPT __________.

Back 38

enlarged larynx

Front 39

The process by which immature follicles degenerate and are resorbed during the follicular phase of the menstrual cycle is called __________.

Back 39

artesia

Front 40

Secondary oocytes form __________.

Back 40

between puberty and menopause

Front 41

The hormone produced by the corpus luteum that is the primary ovarian hormone after ovulation is __________.

Back 41

progesterone

Front 42

Which of the following can be fertilized?

Back 42

secondary oocyte

Front 43

Which follicle contains a secondary oocyte arrested in metaphase II?

Back 43

vesicular (tertiary) follicle

Front 44

Place these stages of the ovarian cycle in the correct order.
1) Corpus albicans
2) Vesicular (tertiary) follicle
3) Primary follicle
4) Ruptured follicle
5) Primordial follicle
6) Secondary follicle
7) Corpus luteum

Back 44

5, 3, 6, 2, 4, 7, 1

Front 45

Ovulation is triggered by a surge in:

Back 45

luteinizing hormone (LH).

Front 46

Which of the following is regulated by a positive feedback mechanism in females?

Back 46

ovulation

Front 47

Which portion of the uterus is shed during menstruation?

Back 47

stratum functionalis of the endometrium

Front 48

When menstruation has ceased for at least one year, what has occurred?

Back 48

female climacteric, or menopause

Front 49

What type of birth control may prevent pregnancy by manipulating the hormones and interfering with ovulation?

Back 49

hormonal method

Front 50

Which of the following is a barrier method of birth control?

Back 50

diaphragm

Front 51

The most common cause of cervical cancer is __________.

Back 51

HPV infection

Front 52

Which of the following is NOT a bacterial sexually transmitted infection (STI)?

Back 52

genital herpes

Front 53

What is the cause of trichomoniasis?

Back 53

parasite

Front 54

Which of the following may be prevented with a vaccine?

Back 54

human papillomavirus (HPV)