Deck 41: Animal Reproductive System

Question 1

The ____ carries sperm away from the epididymis.  

A) vas deferens
B) urethra
C) seminal vesicle
D) ejaculatory duct
E) prostate

Answer 1

A

Question 2

Spermatogenesis is governed by _____.  

A) GnRH
B) luteinizing hormone only
C) luteinizing hormone and follicle-stimulating hormone
D) Follicle-stimulating hormone only
E) GnRH, luteinizing hormone, and Sertoli cells

Answer 2

C

Question 3

The position of gonads varies in different animal groups.An octopus has gonads _____.  

A) on the back of its head
B) at the ends of its arms
C) in the abdominal cavity
D) in the coelom
E) on its penis

Answer 3

A

Question 4

Figure 41.10
Use the figure above to answer the following question.
The secondary spermatocyte is indicated by the letter(s)____.  

A) A
B) B
C) C
D) D
E) B, C, and D

Question 5

A hermaphrodite is described by all of the following,except which statement?  

A) An animal that can produce both eggs and sperm
B) An animal that develops from unfertilized eggs
C) An animal that can self-fertilize
D) An animal that switches from one sex to another over the course of its lifetime
E) An animal that produces both eggs and sperm but may require a partner for reproduction

Question 6

The cervix is attached to the ____.  

A) labium minor
B) ovary
C) clitoris
D) oviduct
E) vagina

Question 7

Which term below refers to a recurring cyclic variation in sexual receptivity in most female mammals?  

A) Ovarian cycle
B) Menstrual cycle
C) Estrous cycle
D) Hormonal cycle
E) Oogenic cycle

Question 8

What is the last structure that a sperm travels through as it leaves the body?  

A) Ureter
B) Urethra
C) Vas deferens
D) Ejaculatory duct
E) Epididymis

Question 9

Which mode of reproduction is utilized by most aquatic invertebrates,fish,and amphibians?  

A) Asexual reproduction
B) Pathenogenesis
C) External fertilization
D) Internal fertilization
E) Hermaphroditism

Question 10

What is an oocyte?  

A) Haploid animal egg
B) Immature sperm
C) Polar body arising from mitosis of the egg
D) Immature, diploid animal egg
E) Haploid germ cell

Question 11

The oviduct empties directly into the ____.  

A) ovaries
B) uterus
C) vagina
D) cervix
E) follicle

Question 12

Sperm production is called ____.  

A) parthenogenesis
B) spermatocytosis
C) oocytosis
D) oogenesis
E) spermatogenesis

Question 13

Animal egg production is called ____.  

A) spermatogenesis
B) oogenesis
C) oocytosis
D) spermatocytosis
E) cytokinesis

Question 14

Testosterone _____.  

A) stimulates oogenesis
B) promotes deviant sexual behavior
C) halts the growth of secondary sexual characteristics
D) is responsible for the development of the female genitalia
E) is responsible for the development of the male genitalia

Question 15

The process of gamete formation is accomplished by ____.  

A) oocytosis
B) fertilization
C) meiosis and mitosis
D) mitosis only
E) meiosis only

Question 16

Figure 41.10
Use the figure above to answer the following question.
A germ cell is indicated by the letter(s)____.  

A) A
B) B
C) C
D) D
E) B, C, and D

Question 17

Which hormone is responsible for the development of female secondary sex characteristics?  

A) Testosterone
B) Estrogen only
C) Progesterone only
D) Estrogen and progesterone
E) Human chorionic gonadotropin

Question 18

Figure 41.1A

The organism shown above is using which of the following types of reproduction?  

A) Asexual budding
B) Sexual production of eggs
C) Hermaphroditic cofertilization
D) Fragmentation
E) Parallel fertilization

Question 19

Aside from the genetic material,which cell component from the sperm has a function in the fertilized egg?  

A) Mitochondria
B) Ribosome
C) Lysosome
D) Centriole
E) RNA

Question 20

What is the function of yolk?  

A) Cushions the developing embryo
B) Nourishes the developing embryo
C) Becomes part of the egg placental membrane
D) Provides respiratory surface for the developing embryo
E) Connects the maternal and embryonic circulatory systems

Question 21

Figure 41.6
Use the figure above showing cyclic events in a human ovary to answer the following question.
A primary oocyte is indicated by the letter ____.  

A) A
B) B
C) C
D) D
E) E

Question 22

An intrauterine device works to prevent pregnancy by _____.  

A) changing the pH of the uterus so sperm cannot live
B) changing the chemistry of the uterus so sperm cannot live
C) interfering with sperm movement or implantation
D) killing sperm
E) preventing ovulation

Question 23

Figure 41.6
Use the figure above showing cyclic events in a human ovary to answer the following question.
Ovulation is indicated by the letter ____.  

A) A
B) B
C) C
D) D
E) E

Question 24

During menstruation,cells in the uterine lining secrete ____,which initiates contractions of the uterus.  

A) prostaglandins
B) the corpus luteum
C) estrogen
D) progesterone
E) follicle-stimulating hormone

Question 25

Which birth control method is the most effective in protecting against sexually transmitted diseases?  

A) Abstinence
B) The Pill
C) Condoms
D) An IUD
E) The rhythm method

Question 26

The emergency contraceptive pill (morning after pill)is most effective when taken __________.

A) Immediately after intercourse
B) Up to three days after intercourse
C) Within a week of intercourse
D) Daily
E) Once a week

Question 27

Which statement is true about syphilis?  

A) It often harms the joints and skin.
B) It damages the liver, bones, and brain.
C) It has no cure.
D) It causes a compromised immune system.
E) It is the main cause of eye infections in babies during birth.

Question 28

Figure 41.13A

The disease acquired from the mother during childbirth shown in the above infant photograph is caused by ____.  

A) syphilis
B) gonorrhea
C) chlamydia
D) HPV
E) AIDS

Question 29

Which statement is true regarding trichomoniasis infection?  

A) It is the least curable STD.
B) It is caused by a protozoan.
C) It cannot cause infertility.
D) It has obvious symptoms.
E) It typically goes away on its own.

Question 30

A male gamete is called a(n)__________ and a female gamete is called a(n)__________.

Question 31

A woman is considered to have reached menopause when ____.  

A) her menstrual cycles have diminished
B) her follicles are depleted
C) her follicles have regenerated
D) her eggs are mature
E) her eggs dissolve

Question 32

Oral contraceptives work by _____.  

A) changing the pH of the uterus so sperm cannot live
B) changing the temperature of the uterus so sperm cannot live
C) blocking the entrance to the uterus
D) killing sperm
E) preventing ovulation

Question 33

Which symptom is indicative of premenstrual syndrome?  

A) Drowsiness
B) Headaches
C) Water loss
D) Fibroids
E) Muscle soreness

Question 34

During menopause,____.  

A) estrogen levels rise
B) menstruation increases
C) ovulation ceases
D) women experience chills
E) weight loss is typical

Question 35

The corpus luteum secretes some ____ and a lot of ____ which readies the uterus for pregnancy.

A) luteinizing hormone; follicle-stimulating hormone
B) Follicle-stimulating hormone; luteinizing hormone
C) GnRH; progesterone
D) estrogen; progesterone
E) progesterone; estrogen

Question 36

Which event occurs during the luteal phase of the menstrual cycle?  

A) The corpus luteum forms.
B) A zona pellucida forms around the oocyte.
C) An oocyte completes meiosis I.
D) Estrogen levels increase.
E) Testosterone levels increase.

Question 37

Which contraceptive approach is least effective?  

A) Abstinence
B) Tubal ligation
C) Vasectomy
D) Hormonal implant
E) Rhythm method

Question 38

Figure 41.6
Use the figure above showing cyclic events in a human ovary to answer the following question.
The corpus luteum is indicated by the letter ____.  

A) A
B) B
C) C
D) D
E) E

Question 39

Animals that reproduce sexually and have both male and female organs are known as __________.

Question 40

When taking oral contraceptives,what is least likely to occur?  

A) Weight gain
B) Headaches
C) Nausea
D) Risk of breast cancer
E) Muscle soreness

Question 41

Choose the one most appropriate answer for each.
a.Acts to trigger ovulation in females
b.Structures that secrete fructose-rich fluid used as sperm energy source
c.Forms as an outgrowth of the yolk sac; becomes part of umbilical cord and urinary bladder
d.A drug that causes severely deformed arms and legs in developing embryos
e.Sperm enter this coiled duct on its way to vas deferens
f.Opening between uterus and vagina
g.Organ that supplies the mammalian embryo/fetus with nutrients and removes wastes
h.Connects epididymis with ejaculatory duct
i.Hormone that stimulates smooth muscle contractions in male and female reproductive tracts
j.Cap over the head of a sperm; contains lytic enzymes to penetrate egg membranes
k.Inner cell mass plus trophoblast; attaches to uterine wall
l.Testosterone-secreting cells in the testis
m.Sensitive to sexual stimulation; develops from same embryonic tissues as does the penis in males
n.The uterine lining
o.Stimulates maturation of an ovarian follicle
Cervix

Question 42

Choose the one most appropriate answer for each.
a.Disorder in which uterine tissue grows outside the uterus, interfering with reproduction
b.Sloughing off of endometrium stops permanently
c.Product of oogenesis but does not play a role in human reproduction
d.Mature egg
e.Site of fertilization in humans
f.The release of a secondary oocyte from the ovary
g.The release of seminal fluid from the male reproductive tract
h.A 100-percent-effective method of preventing conception
i.A highly unreliable form of birth control that involves rinsing out the vagina
j.The periodic elimination of the uterine lining
k.Characterized by involuntary muscle contractions, release of oxytocin and endorphins
l.Hormonal disorder that prevents ovulation and is a main cause of female infertility
m.Sperm and egg cannot meet because a section of oviduct is missing
n.Cutting and tying of vas deferentia to effect male sterility
Douching

Question 43

Choose the one most appropriate answer for each.
a.Disorder in which uterine tissue grows outside the uterus, interfering with reproduction
b.Sloughing off of endometrium stops permanently
c.Product of oogenesis but does not play a role in human reproduction
d.Mature egg
e.Site of fertilization in humans
f.The release of a secondary oocyte from the ovary
g.The release of seminal fluid from the male reproductive tract
h.A 100-percent-effective method of preventing conception
i.A highly unreliable form of birth control that involves rinsing out the vagina
j.The periodic elimination of the uterine lining
k.Characterized by involuntary muscle contractions, release of oxytocin and endorphins
l.Hormonal disorder that prevents ovulation and is a main cause of female infertility
m.Sperm and egg cannot meet because a section of oviduct is missing
n.Cutting and tying of vas deferentia to effect male sterility
Ovum

Question 44

Choose the one most appropriate answer for each.
a.Disorder in which uterine tissue grows outside the uterus, interfering with reproduction
b.Sloughing off of endometrium stops permanently
c.Product of oogenesis but does not play a role in human reproduction
d.Mature egg
e.Site of fertilization in humans
f.The release of a secondary oocyte from the ovary
g.The release of seminal fluid from the male reproductive tract
h.A 100-percent-effective method of preventing conception
i.A highly unreliable form of birth control that involves rinsing out the vagina
j.The periodic elimination of the uterine lining
k.Characterized by involuntary muscle contractions, release of oxytocin and endorphins
l.Hormonal disorder that prevents ovulation and is a main cause of female infertility
m.Sperm and egg cannot meet because a section of oviduct is missing
n.Cutting and tying of vas deferentia to effect male sterility
Abstinence

Question 45

Choose the one most appropriate answer for each.
a.Disorder in which uterine tissue grows outside the uterus, interfering with reproduction
b.Sloughing off of endometrium stops permanently
c.Product of oogenesis but does not play a role in human reproduction
d.Mature egg
e.Site of fertilization in humans
f.The release of a secondary oocyte from the ovary
g.The release of seminal fluid from the male reproductive tract
h.A 100-percent-effective method of preventing conception
i.A highly unreliable form of birth control that involves rinsing out the vagina
j.The periodic elimination of the uterine lining
k.Characterized by involuntary muscle contractions, release of oxytocin and endorphins
l.Hormonal disorder that prevents ovulation and is a main cause of female infertility
m.Sperm and egg cannot meet because a section of oviduct is missing
n.Cutting and tying of vas deferentia to effect male sterility
Ovulation

Question 46

Choose the one most appropriate answer for each.
a.Disorder in which uterine tissue grows outside the uterus, interfering with reproduction
b.Sloughing off of endometrium stops permanently
c.Product of oogenesis but does not play a role in human reproduction
d.Mature egg
e.Site of fertilization in humans
f.The release of a secondary oocyte from the ovary
g.The release of seminal fluid from the male reproductive tract
h.A 100-percent-effective method of preventing conception
i.A highly unreliable form of birth control that involves rinsing out the vagina
j.The periodic elimination of the uterine lining
k.Characterized by involuntary muscle contractions, release of oxytocin and endorphins
l.Hormonal disorder that prevents ovulation and is a main cause of female infertility
m.Sperm and egg cannot meet because a section of oviduct is missing
n.Cutting and tying of vas deferentia to effect male sterility
Ejaculation

Question 47

Choose the one most appropriate answer for each.
a.Disorder in which uterine tissue grows outside the uterus, interfering with reproduction
b.Sloughing off of endometrium stops permanently
c.Product of oogenesis but does not play a role in human reproduction
d.Mature egg
e.Site of fertilization in humans
f.The release of a secondary oocyte from the ovary
g.The release of seminal fluid from the male reproductive tract
h.A 100-percent-effective method of preventing conception
i.A highly unreliable form of birth control that involves rinsing out the vagina
j.The periodic elimination of the uterine lining
k.Characterized by involuntary muscle contractions, release of oxytocin and endorphins
l.Hormonal disorder that prevents ovulation and is a main cause of female infertility
m.Sperm and egg cannot meet because a section of oviduct is missing
n.Cutting and tying of vas deferentia to effect male sterility
Menopause

Question 48

During the luteal phase,a(n)__________ forms from follicle cells that surround the egg.

Question 49

Choose the one most appropriate answer for each.
a.Disorder in which uterine tissue grows outside the uterus, interfering with reproduction
b.Sloughing off of endometrium stops permanently
c.Product of oogenesis but does not play a role in human reproduction
d.Mature egg
e.Site of fertilization in humans
f.The release of a secondary oocyte from the ovary
g.The release of seminal fluid from the male reproductive tract
h.A 100-percent-effective method of preventing conception
i.A highly unreliable form of birth control that involves rinsing out the vagina
j.The periodic elimination of the uterine lining
k.Characterized by involuntary muscle contractions, release of oxytocin and endorphins
l.Hormonal disorder that prevents ovulation and is a main cause of female infertility
m.Sperm and egg cannot meet because a section of oviduct is missing
n.Cutting and tying of vas deferentia to effect male sterility
Orgasm

Question 50

Choose the one most appropriate answer for each.
a.Acts to trigger ovulation in females
b.Structures that secrete fructose-rich fluid used as sperm energy source
c.Forms as an outgrowth of the yolk sac; becomes part of umbilical cord and urinary bladder
d.A drug that causes severely deformed arms and legs in developing embryos
e.Sperm enter this coiled duct on its way to vas deferens
f.Opening between uterus and vagina
g.Organ that supplies the mammalian embryo/fetus with nutrients and removes wastes
h.Connects epididymis with ejaculatory duct
i.Hormone that stimulates smooth muscle contractions in male and female reproductive tracts
j.Cap over the head of a sperm; contains lytic enzymes to penetrate egg membranes
k.Inner cell mass plus trophoblast; attaches to uterine wall
l.Testosterone-secreting cells in the testis
m.Sensitive to sexual stimulation; develops from same embryonic tissues as does the penis in males
n.The uterine lining
o.Stimulates maturation of an ovarian follicle
Acrosome

Question 51

__________ released by the hypothalamus causes the pituitary gland to secrete __________ and follicle-stimulating hormone (FSH).

Question 52

Choose the one most appropriate answer for each.
a.Disorder in which uterine tissue grows outside the uterus, interfering with reproduction
b.Sloughing off of endometrium stops permanently
c.Product of oogenesis but does not play a role in human reproduction
d.Mature egg
e.Site of fertilization in humans
f.The release of a secondary oocyte from the ovary
g.The release of seminal fluid from the male reproductive tract
h.A 100-percent-effective method of preventing conception
i.A highly unreliable form of birth control that involves rinsing out the vagina
j.The periodic elimination of the uterine lining
k.Characterized by involuntary muscle contractions, release of oxytocin and endorphins
l.Hormonal disorder that prevents ovulation and is a main cause of female infertility
m.Sperm and egg cannot meet because a section of oviduct is missing
n.Cutting and tying of vas deferentia to effect male sterility
Oviduct

Question 53

Choose the one most appropriate answer for each.
a.Disorder in which uterine tissue grows outside the uterus, interfering with reproduction
b.Sloughing off of endometrium stops permanently
c.Product of oogenesis but does not play a role in human reproduction
d.Mature egg
e.Site of fertilization in humans
f.The release of a secondary oocyte from the ovary
g.The release of seminal fluid from the male reproductive tract
h.A 100-percent-effective method of preventing conception
i.A highly unreliable form of birth control that involves rinsing out the vagina
j.The periodic elimination of the uterine lining
k.Characterized by involuntary muscle contractions, release of oxytocin and endorphins
l.Hormonal disorder that prevents ovulation and is a main cause of female infertility
m.Sperm and egg cannot meet because a section of oviduct is missing
n.Cutting and tying of vas deferentia to effect male sterility
Menstruation

Question 54

Choose the one most appropriate answer for each.
a.Disorder in which uterine tissue grows outside the uterus, interfering with reproduction
b.Sloughing off of endometrium stops permanently
c.Product of oogenesis but does not play a role in human reproduction
d.Mature egg
e.Site of fertilization in humans
f.The release of a secondary oocyte from the ovary
g.The release of seminal fluid from the male reproductive tract
h.A 100-percent-effective method of preventing conception
i.A highly unreliable form of birth control that involves rinsing out the vagina
j.The periodic elimination of the uterine lining
k.Characterized by involuntary muscle contractions, release of oxytocin and endorphins
l.Hormonal disorder that prevents ovulation and is a main cause of female infertility
m.Sperm and egg cannot meet because a section of oviduct is missing
n.Cutting and tying of vas deferentia to effect male sterility
Polar body

Question 55

Choose the one most appropriate answer for each.
a.Disorder in which uterine tissue grows outside the uterus, interfering with reproduction
b.Sloughing off of endometrium stops permanently
c.Product of oogenesis but does not play a role in human reproduction
d.Mature egg
e.Site of fertilization in humans
f.The release of a secondary oocyte from the ovary
g.The release of seminal fluid from the male reproductive tract
h.A 100-percent-effective method of preventing conception
i.A highly unreliable form of birth control that involves rinsing out the vagina
j.The periodic elimination of the uterine lining
k.Characterized by involuntary muscle contractions, release of oxytocin and endorphins
l.Hormonal disorder that prevents ovulation and is a main cause of female infertility
m.Sperm and egg cannot meet because a section of oviduct is missing
n.Cutting and tying of vas deferentia to effect male sterility
Tubal ligation

Question 56

________________are special reproductive organs inside which gamete production occurs.

Question 57

Choose the one most appropriate answer for each.
a.Disorder in which uterine tissue grows outside the uterus, interfering with reproduction
b.Sloughing off of endometrium stops permanently
c.Product of oogenesis but does not play a role in human reproduction
d.Mature egg
e.Site of fertilization in humans
f.The release of a secondary oocyte from the ovary
g.The release of seminal fluid from the male reproductive tract
h.A 100-percent-effective method of preventing conception
i.A highly unreliable form of birth control that involves rinsing out the vagina
j.The periodic elimination of the uterine lining
k.Characterized by involuntary muscle contractions, release of oxytocin and endorphins
l.Hormonal disorder that prevents ovulation and is a main cause of female infertility
m.Sperm and egg cannot meet because a section of oviduct is missing
n.Cutting and tying of vas deferentia to effect male sterility
Endometriosis

Question 58

Choose the one most appropriate answer for each.
a.Disorder in which uterine tissue grows outside the uterus, interfering with reproduction
b.Sloughing off of endometrium stops permanently
c.Product of oogenesis but does not play a role in human reproduction
d.Mature egg
e.Site of fertilization in humans
f.The release of a secondary oocyte from the ovary
g.The release of seminal fluid from the male reproductive tract
h.A 100-percent-effective method of preventing conception
i.A highly unreliable form of birth control that involves rinsing out the vagina
j.The periodic elimination of the uterine lining
k.Characterized by involuntary muscle contractions, release of oxytocin and endorphins
l.Hormonal disorder that prevents ovulation and is a main cause of female infertility
m.Sperm and egg cannot meet because a section of oviduct is missing
n.Cutting and tying of vas deferentia to effect male sterility
Vasectomy

Question 59

Choose the one most appropriate answer for each.
a.Disorder in which uterine tissue grows outside the uterus, interfering with reproduction
b.Sloughing off of endometrium stops permanently
c.Product of oogenesis but does not play a role in human reproduction
d.Mature egg
e.Site of fertilization in humans
f.The release of a secondary oocyte from the ovary
g.The release of seminal fluid from the male reproductive tract
h.A 100-percent-effective method of preventing conception
i.A highly unreliable form of birth control that involves rinsing out the vagina
j.The periodic elimination of the uterine lining
k.Characterized by involuntary muscle contractions, release of oxytocin and endorphins
l.Hormonal disorder that prevents ovulation and is a main cause of female infertility
m.Sperm and egg cannot meet because a section of oviduct is missing
n.Cutting and tying of vas deferentia to effect male sterility
Polycystic ovarian syndrome

Question 60

Low sperm count may result in an insufficient amount of enzyme to clear a path through the ____to the egg plasma membrane.

Question 61

Respond to the following statements in reference to the five stages or structures involved in the development of the human egg. Answers may be used more than once or not at all.
a.Oogonium
b.Primary oocyte
c.Secondary oocyte
d.Polar body
e.Corpus luteum
Human females are born with about 2 million of these cells that entered meiosis but stopped in prophase I.

Question 62

Respond to the following statements in reference to the five stages of sperm development listed below. Answers may be used more than once or not at all.
a.Spermatogonium
b.Secondary spermatocyte
c.Primary spermatocyte
d.Spermatid
e.Sperm
The male sex cell is fully formed at this stage of development.

Question 63

Respond to the following statements in reference to the five stages of sperm development listed below. Answers may be used more than once or not at all.
a.Spermatogonium
b.Secondary spermatocyte
c.Primary spermatocyte
d.Spermatid
e.Sperm
This is a diploid mitotic product that then undergoes meiosis.

Question 64

Choose the one most appropriate answer for each.
a.Acts to trigger ovulation in females
b.Structures that secrete fructose-rich fluid used as sperm energy source
c.Forms as an outgrowth of the yolk sac; becomes part of umbilical cord and urinary bladder
d.A drug that causes severely deformed arms and legs in developing embryos
e.Sperm enter this coiled duct on its way to vas deferens
f.Opening between uterus and vagina
g.Organ that supplies the mammalian embryo/fetus with nutrients and removes wastes
h.Connects epididymis with ejaculatory duct
i.Hormone that stimulates smooth muscle contractions in male and female reproductive tracts
j.Cap over the head of a sperm; contains lytic enzymes to penetrate egg membranes
k.Inner cell mass plus trophoblast; attaches to uterine wall
l.Testosterone-secreting cells in the testis
m.Sensitive to sexual stimulation; develops from same embryonic tissues as does the penis in males
n.The uterine lining
o.Stimulates maturation of an ovarian follicle
Placenta

Question 65

Choose the one most appropriate answer for each.
a.Acts to trigger ovulation in females
b.Structures that secrete fructose-rich fluid used as sperm energy source
c.Forms as an outgrowth of the yolk sac; becomes part of umbilical cord and urinary bladder
d.A drug that causes severely deformed arms and legs in developing embryos
e.Sperm enter this coiled duct on its way to vas deferens
f.Opening between uterus and vagina
g.Organ that supplies the mammalian embryo/fetus with nutrients and removes wastes
h.Connects epididymis with ejaculatory duct
i.Hormone that stimulates smooth muscle contractions in male and female reproductive tracts
j.Cap over the head of a sperm; contains lytic enzymes to penetrate egg membranes
k.Inner cell mass plus trophoblast; attaches to uterine wall
l.Testosterone-secreting cells in the testis
m.Sensitive to sexual stimulation; develops from same embryonic tissues as does the penis in males
n.The uterine lining
o.Stimulates maturation of an ovarian follicle
Seminal vesicles

Question 66

Respond to the following statements in reference to the five stages of sperm development listed below. Answers may be used more than once or not at all.
a.Spermatogonium
b.Secondary spermatocyte
c.Primary spermatocyte
d.Spermatid
e.Sperm
This continues to undergo mitosis throughout the reproductive life of the male.

Question 67

Respond to the following statements in reference to the five stages or structures involved in the development of the human egg. Answers may be used more than once or not at all.
a.Oogonium
b.Primary oocyte
c.Secondary oocyte
d.Polar body
e.Corpus luteum
This cell becomes the mature egg only after fertilization in humans.

Question 68

Respond to the following statements in reference to the five stages of sperm development listed below. Answers may be used more than once or not at all.
a.Spermatogonium
b.Secondary spermatocyte
c.Primary spermatocyte
d.Spermatid
e.Sperm
This represents the product of the first meiotic division.

Question 69

Choose the one most appropriate answer for each.
a.Acts to trigger ovulation in females
b.Structures that secrete fructose-rich fluid used as sperm energy source
c.Forms as an outgrowth of the yolk sac; becomes part of umbilical cord and urinary bladder
d.A drug that causes severely deformed arms and legs in developing embryos
e.Sperm enter this coiled duct on its way to vas deferens
f.Opening between uterus and vagina
g.Organ that supplies the mammalian embryo/fetus with nutrients and removes wastes
h.Connects epididymis with ejaculatory duct
i.Hormone that stimulates smooth muscle contractions in male and female reproductive tracts
j.Cap over the head of a sperm; contains lytic enzymes to penetrate egg membranes
k.Inner cell mass plus trophoblast; attaches to uterine wall
l.Testosterone-secreting cells in the testis
m.Sensitive to sexual stimulation; develops from same embryonic tissues as does the penis in males
n.The uterine lining
o.Stimulates maturation of an ovarian follicle
Oxytocin

Question 70

Choose the one most appropriate answer for each.
a.Acts to trigger ovulation in females
b.Structures that secrete fructose-rich fluid used as sperm energy source
c.Forms as an outgrowth of the yolk sac; becomes part of umbilical cord and urinary bladder
d.A drug that causes severely deformed arms and legs in developing embryos
e.Sperm enter this coiled duct on its way to vas deferens
f.Opening between uterus and vagina
g.Organ that supplies the mammalian embryo/fetus with nutrients and removes wastes
h.Connects epididymis with ejaculatory duct
i.Hormone that stimulates smooth muscle contractions in male and female reproductive tracts
j.Cap over the head of a sperm; contains lytic enzymes to penetrate egg membranes
k.Inner cell mass plus trophoblast; attaches to uterine wall
l.Testosterone-secreting cells in the testis
m.Sensitive to sexual stimulation; develops from same embryonic tissues as does the penis in males
n.The uterine lining
o.Stimulates maturation of an ovarian follicle
Clitoris

Question 71

Choose the one most appropriate answer for each.
a.Acts to trigger ovulation in females
b.Structures that secrete fructose-rich fluid used as sperm energy source
c.Forms as an outgrowth of the yolk sac; becomes part of umbilical cord and urinary bladder
d.A drug that causes severely deformed arms and legs in developing embryos
e.Sperm enter this coiled duct on its way to vas deferens
f.Opening between uterus and vagina
g.Organ that supplies the mammalian embryo/fetus with nutrients and removes wastes
h.Connects epididymis with ejaculatory duct
i.Hormone that stimulates smooth muscle contractions in male and female reproductive tracts
j.Cap over the head of a sperm; contains lytic enzymes to penetrate egg membranes
k.Inner cell mass plus trophoblast; attaches to uterine wall
l.Testosterone-secreting cells in the testis
m.Sensitive to sexual stimulation; develops from same embryonic tissues as does the penis in males
n.The uterine lining
o.Stimulates maturation of an ovarian follicle
FSH

Question 72

Respond to the following statements in reference to the five stages or structures involved in the development of the human egg. Answers may be used more than once or not at all.
a.Oogonium
b.Primary oocyte
c.Secondary oocyte
d.Polar body
e.Corpus luteum
This diploid germ cell produces primary oocytes by mitosis.

Question 73

Choose the one most appropriate answer for each.
a.Acts to trigger ovulation in females
b.Structures that secrete fructose-rich fluid used as sperm energy source
c.Forms as an outgrowth of the yolk sac; becomes part of umbilical cord and urinary bladder
d.A drug that causes severely deformed arms and legs in developing embryos
e.Sperm enter this coiled duct on its way to vas deferens
f.Opening between uterus and vagina
g.Organ that supplies the mammalian embryo/fetus with nutrients and removes wastes
h.Connects epididymis with ejaculatory duct
i.Hormone that stimulates smooth muscle contractions in male and female reproductive tracts
j.Cap over the head of a sperm; contains lytic enzymes to penetrate egg membranes
k.Inner cell mass plus trophoblast; attaches to uterine wall
l.Testosterone-secreting cells in the testis
m.Sensitive to sexual stimulation; develops from same embryonic tissues as does the penis in males
n.The uterine lining
o.Stimulates maturation of an ovarian follicle
LH

Question 74

Choose the one most appropriate answer for each.
a.Acts to trigger ovulation in females
b.Structures that secrete fructose-rich fluid used as sperm energy source
c.Forms as an outgrowth of the yolk sac; becomes part of umbilical cord and urinary bladder
d.A drug that causes severely deformed arms and legs in developing embryos
e.Sperm enter this coiled duct on its way to vas deferens
f.Opening between uterus and vagina
g.Organ that supplies the mammalian embryo/fetus with nutrients and removes wastes
h.Connects epididymis with ejaculatory duct
i.Hormone that stimulates smooth muscle contractions in male and female reproductive tracts
j.Cap over the head of a sperm; contains lytic enzymes to penetrate egg membranes
k.Inner cell mass plus trophoblast; attaches to uterine wall
l.Testosterone-secreting cells in the testis
m.Sensitive to sexual stimulation; develops from same embryonic tissues as does the penis in males
n.The uterine lining
o.Stimulates maturation of an ovarian follicle
Leydig cells

Question 75

Choose the one most appropriate answer for each.
a.Acts to trigger ovulation in females
b.Structures that secrete fructose-rich fluid used as sperm energy source
c.Forms as an outgrowth of the yolk sac; becomes part of umbilical cord and urinary bladder
d.A drug that causes severely deformed arms and legs in developing embryos
e.Sperm enter this coiled duct on its way to vas deferens
f.Opening between uterus and vagina
g.Organ that supplies the mammalian embryo/fetus with nutrients and removes wastes
h.Connects epididymis with ejaculatory duct
i.Hormone that stimulates smooth muscle contractions in male and female reproductive tracts
j.Cap over the head of a sperm; contains lytic enzymes to penetrate egg membranes
k.Inner cell mass plus trophoblast; attaches to uterine wall
l.Testosterone-secreting cells in the testis
m.Sensitive to sexual stimulation; develops from same embryonic tissues as does the penis in males
n.The uterine lining
o.Stimulates maturation of an ovarian follicle
Endometrium

Question 76

Choose the one most appropriate answer for each.
a.Acts to trigger ovulation in females
b.Structures that secrete fructose-rich fluid used as sperm energy source
c.Forms as an outgrowth of the yolk sac; becomes part of umbilical cord and urinary bladder
d.A drug that causes severely deformed arms and legs in developing embryos
e.Sperm enter this coiled duct on its way to vas deferens
f.Opening between uterus and vagina
g.Organ that supplies the mammalian embryo/fetus with nutrients and removes wastes
h.Connects epididymis with ejaculatory duct
i.Hormone that stimulates smooth muscle contractions in male and female reproductive tracts
j.Cap over the head of a sperm; contains lytic enzymes to penetrate egg membranes
k.Inner cell mass plus trophoblast; attaches to uterine wall
l.Testosterone-secreting cells in the testis
m.Sensitive to sexual stimulation; develops from same embryonic tissues as does the penis in males
n.The uterine lining
o.Stimulates maturation of an ovarian follicle
Vas deferens

Question 77

Choose the one most appropriate answer for each.
a.Acts to trigger ovulation in females
b.Structures that secrete fructose-rich fluid used as sperm energy source
c.Forms as an outgrowth of the yolk sac; becomes part of umbilical cord and urinary bladder
d.A drug that causes severely deformed arms and legs in developing embryos
e.Sperm enter this coiled duct on its way to vas deferens
f.Opening between uterus and vagina
g.Organ that supplies the mammalian embryo/fetus with nutrients and removes wastes
h.Connects epididymis with ejaculatory duct
i.Hormone that stimulates smooth muscle contractions in male and female reproductive tracts
j.Cap over the head of a sperm; contains lytic enzymes to penetrate egg membranes
k.Inner cell mass plus trophoblast; attaches to uterine wall
l.Testosterone-secreting cells in the testis
m.Sensitive to sexual stimulation; develops from same embryonic tissues as does the penis in males
n.The uterine lining
o.Stimulates maturation of an ovarian follicle
Epididymis

Question 78

Respond to the following statements in reference to the five stages or structures involved in the development of the human egg. Answers may be used more than once or not at all.
a.Oogonium
b.Primary oocyte
c.Secondary oocyte
d.Polar body
e.Corpus luteum
This cell is the first sex cell stage to be in the haploid state.

Question 79

Respond to the following statements in reference to the five stages of sperm development listed below. Answers may be used more than once or not at all.
a.Spermatogonium
b.Secondary spermatocyte
c.Primary spermatocyte
d.Spermatid
e.Sperm
Haploid cells resulting from meiosis II of a secondary spermatocyte.

Question 80

Respond to the following statements in reference to the five stages or structures involved in the development of the human egg. Answers may be used more than once or not at all.
a.Oogonium
b.Primary oocyte
c.Secondary oocyte
d.Polar body
e.Corpus luteum
This cell contains a haploid set of chromosomes but will never be fertilized; often disintegrates and is reabsorbed in the body.