Question 1

One of the major differences between the sexual responses of men and women is

Accepted Answer

A)  the increase in blood pressure in men. 
B)  the increase in heart rate in women. 
C)  the presence of a refractory period in women. 
D)  the presence of a refractory period in men after orgasm. 
E)  the increase in muscle tension in men. 
A)  the increase in blood pressure in men. 
B)  the increase in heart rate in women. 
C)  the presence of a refractory period in women. 
D)  the presence of a refractory period in men after orgasm. 
E)  the increase in muscle tension in men. D

Question 2

Use the following to answer questions:
Match the cell states listed below with the description of a cell in each question that follows. Each item may be used once, more than once, or not at all. 
-Cell resulting from the second meiotic division

Accepted Answer

A)  Oogonia 
B)  Spermatogonia 
C)  Spermatid 
D)  Primary spermatocyte 
E)  Secondary spermatocyte 
A)  Oogonia 
B)  Spermatogonia 
C)  Spermatid 
D)  Primary spermatocyte 
E)  Secondary spermatocyte C

Question 3

If the hypothalamus in a human male does not produce GnRH in normal amounts,

Accepted Answer

A)  he makes functional sperm but is unable to ejaculate. 
B)  his sperm lack functional flagella. 
C)  the fluid needed to lubricate his urethra for sperm travel is defective. 
D)  his semen lacks the fructose fuel needed for the sperm to swim. 
E)  his Leydig cells do not make the testosterone needed to stimulate spermatogenesis. 
A)  he makes functional sperm but is unable to ejaculate. 
B)  his sperm lack functional flagella. 
C)  the fluid needed to lubricate his urethra for sperm travel is defective. 
D)  his semen lacks the fructose fuel needed for the sperm to swim. 
E)  his Leydig cells do not make the testosterone needed to stimulate spermatogenesis. E

Question 4

In the early 1900s, oyster fishermen cut starfish into pieces and threw them back into the sea to kill predators of the oysters. This practice led to an explosion in the starfish population because

Accepted Answer

A)  other starfish ate the pieces and were able to increase their reproductive output. 
B)  several pieces from each original starfish regenerated into a new individual. 
C)  removing competition from the weak starfish that were caught allowed stronger starfish to increase their reproductive output. 
D)  the oyster population grew in response to this new supply of food, allowing the population of their predators to increase as well. 
E)  None of the above 
A)  other starfish ate the pieces and were able to increase their reproductive output. 
B)  several pieces from each original starfish regenerated into a new individual. 
C)  removing competition from the weak starfish that were caught allowed stronger starfish to increase their reproductive output. 
D)  the oyster population grew in response to this new supply of food, allowing the population of their predators to increase as well. 
E)  None of the above

Question 5

Use the following to answer questions:
Match the cell states listed below with the description of a cell in each question that follows. Each item may be used once, more than once, or not at all. 
-First haploid germ cell produced in spermatogenesis

Accepted Answer

A)  Oogonia 
B)  Spermatogonia 
C)  Spermatid 
D)  Primary spermatocyte 
E)  Secondary spermatocyte 
A)  Oogonia 
B)  Spermatogonia 
C)  Spermatid 
D)  Primary spermatocyte 
E)  Secondary spermatocyte

Question 6

The intrauterine device is a means of birth control that prevents

Accepted Answer

A)  ovulation. 
B)  fertilization. 
C)  implantation. 
D)  ejaculation. 
E)  sperm from reaching the egg. 
A)  ovulation. 
B)  fertilization. 
C)  implantation. 
D)  ejaculation. 
E)  sperm from reaching the egg.

Question 7

Unlike spermatogenesis, oogenesis in humans

Accepted Answer

A)  is continuous over the life of the woman. 
B)  begins prenatally. 
C)  produces four haploid gametes. 
D)  occurs at a rapid rate. 
E)  results in swimming cells. 
A)  is continuous over the life of the woman. 
B)  begins prenatally. 
C)  produces four haploid gametes. 
D)  occurs at a rapid rate. 
E)  results in swimming cells.

Question 8

Following fertilization, human chorionic gonadotropin secreted by the _______ keeps the corpus luteum functional.

Accepted Answer

blastocyst

Question 9

During oogenesis in mammals, the second meiotic division occurs

Accepted Answer

A)  in the formation of the primary oocyte. 
B)  in the formation of the secondary oocyte. 
C)  before ovulation. 
D)  after fertilization. 
E)  after implantation. 
A)  in the formation of the primary oocyte. 
B)  in the formation of the secondary oocyte. 
C)  before ovulation. 
D)  after fertilization. 
E)  after implantation.

Question 10

Which birth control method prevents ovulation?

Accepted Answer

A)  Vasectomy 
B)  Intrauterine device 
C)  Condom 
D)  Rhythm method 
E)  Birth control pill 
A)  Vasectomy 
B)  Intrauterine device 
C)  Condom 
D)  Rhythm method 
E)  Birth control pill

Question 11

What characteristic is shared by the processes of budding and regeneration?

Accepted Answer

A)  Both can lead to the production of a new individual through mitotic growth. 
B)  Both use meiosis to replace lost tissue. 
C)  Both can lead to the production of a new individual through meiotic growth. 
D)  Both serve as a trigger for the sexual phase of reproduction. 
E)  Both occur only in the apical meristem of plants. 
A)  Both can lead to the production of a new individual through mitotic growth. 
B)  Both use meiosis to replace lost tissue. 
C)  Both can lead to the production of a new individual through meiotic growth. 
D)  Both serve as a trigger for the sexual phase of reproduction. 
E)  Both occur only in the apical meristem of plants.

Question 12

Which of the following birth control methods does not prevent fertilization?

Accepted Answer

A)  Mifepristone 
B)  Coitus interruptus 
C)  Birth control pill 
D)  Condom 
E)  Diaphragm 
A)  Mifepristone 
B)  Coitus interruptus 
C)  Birth control pill 
D)  Condom 
E)  Diaphragm

Question 13

Which of the following is not included in fertilization?

Accepted Answer

A)  Sperm activation 
B)  Species-specific binding of sperm to egg 
C)  Endocytosis of sperm head and neck 
D)  Digestion of a path through the protective coverings of the egg 
E)  Fusion of sperm and egg plasma membranes 
A)  Sperm activation 
B)  Species-specific binding of sperm to egg 
C)  Endocytosis of sperm head and neck 
D)  Digestion of a path through the protective coverings of the egg 
E)  Fusion of sperm and egg plasma membranes

Question 14

A species in which the individual possesses both male and female reproductive systems is termed

Accepted Answer

A)  dioecious. 
B)  parthenogenetic. 
C)  hermaphroditic. 
D)  monoecious. 
E)  ovoviviparous. 
A)  dioecious. 
B)  parthenogenetic. 
C)  hermaphroditic. 
D)  monoecious. 
E)  ovoviviparous.

Question 15

The end result of spermatogenesis is the production of four haploid spermatids. The end result of oogenesis is the production of

Accepted Answer

A)  four haploid ootids. 
B)  two haploid ootids. 
C)  one diploid ootid. 
D)  two diploid ootids. 
E)  one haploid ootid. 
A)  four haploid ootids. 
B)  two haploid ootids. 
C)  one diploid ootid. 
D)  two diploid ootids. 
E)  one haploid ootid.

Question 16

New follicles do not mature as long as the corpus luteum is maintained because

Accepted Answer

A)  the hormones released from the corpus luteum inhibit gonadotropin release. 
B)  the hormones released from the corpus luteum inhibit ovarian secretion. 
C)  the ovary receives negative feedback from the endometrial lining of the uterus. 
D)  the ovary receives negative feedback as long as the egg is viable. 
E)  new follicle development depends upon the hormones released from the corpus luteum. 
A)  the hormones released from the corpus luteum inhibit gonadotropin release. 
B)  the hormones released from the corpus luteum inhibit ovarian secretion. 
C)  the ovary receives negative feedback from the endometrial lining of the uterus. 
D)  the ovary receives negative feedback as long as the egg is viable. 
E)  new follicle development depends upon the hormones released from the corpus luteum.

Question 17

Some species of mites and scorpions use indirect fertilization, excreting a gelatinous container of sperm called a(n)

Accepted Answer

A)  spermatophore. 
B)  spermatogonium. 
C)  spermatid. 
D)  cloaca. 
E)  amplexus. 
A)  spermatophore. 
B)  spermatogonium. 
C)  spermatid. 
D)  cloaca. 
E)  amplexus.

Question 18

Which of the following is the most effective form of birth control?

Accepted Answer

A)  Vasectomy 
B)  Condom 
C)  Intrauterine device 
D)  Rhythm method 
E)  Birth control pill 
A)  Vasectomy 
B)  Condom 
C)  Intrauterine device 
D)  Rhythm method 
E)  Birth control pill

Question 19

Use the following to answer questions:
Match the cell states listed below with the description of a cell in each question that follows. Each item may be used once, more than once, or not at all. 
-The cell type that differentiates into a sperm cell at the end of spermatogenesis

Accepted Answer

A)  Oogonia 
B)  Spermatogonia 
C)  Spermatid 
D)  Primary spermatocyte 
E)  Secondary spermatocyte 
A)  Oogonia 
B)  Spermatogonia 
C)  Spermatid 
D)  Primary spermatocyte 
E)  Secondary spermatocyte

Question 20

Which of the following statements is true of events during childbirth?

Accepted Answer

A)  Progesterone inhibits and estrogen stimulates contractions of uterine muscle. 
B)  Mechanical stimuli increase the release of oxytocin by the posterior pituitary. 
C)  Both hormonal and mechanical stimuli contribute to the onset of labor. 
D)  The onset of labor is marked by increased oxytocin secretion by the pituitaries of
Both mother and fetus. 
E)  All of the above 
A)  Progesterone inhibits and estrogen stimulates contractions of uterine muscle. 
B)  Mechanical stimuli increase the release of oxytocin by the posterior pituitary. 
C)  Both hormonal and mechanical stimuli contribute to the onset of labor. 
D)  The onset of labor is marked by increased oxytocin secretion by the pituitaries of
Both mother and fetus. 
E)  All of the above

Exam 43: Animal Reproduction

One of the major differences between the sexual responses of men and women is

Use the following to answer questions: Match the cell states listed below with the description of a cell in each question that follows. Each item may be used once, more than once, or not at all. -Cell resulting from the second meiotic division

If the hypothalamus in a human male does not produce GnRH in normal amounts,

In the early 1900s, oyster fishermen cut starfish into pieces and threw them back into the sea to kill predators of the oysters. This practice led to an explosion in the starfish population because

Use the following to answer questions: Match the cell states listed below with the description of a cell in each question that follows. Each item may be used once, more than once, or not at all. -First haploid germ cell produced in spermatogenesis

The intrauterine device is a means of birth control that prevents

Unlike spermatogenesis, oogenesis in humans

Following fertilization, human chorionic gonadotropin secreted by the _______ keeps the corpus luteum functional.

During oogenesis in mammals, the second meiotic division occurs

Which birth control method prevents ovulation?

What characteristic is shared by the processes of budding and regeneration?

Which of the following birth control methods does not prevent fertilization?

Which of the following is not included in fertilization?

A species in which the individual possesses both male and female reproductive systems is termed

The end result of spermatogenesis is the production of four haploid spermatids. The end result of oogenesis is the production of

New follicles do not mature as long as the corpus luteum is maintained because

Some species of mites and scorpions use indirect fertilization, excreting a gelatinous container of sperm called a(n)

Which of the following is the most effective form of birth control?

Use the following to answer questions: Match the cell states listed below with the description of a cell in each question that follows. Each item may be used once, more than once, or not at all. -The cell type that differentiates into a sperm cell at the end of spermatogenesis

Which of the following statements is true of events during childbirth?

Studying Life

Small Molecules and the Chemistry of Life

Proteins, Carbohydrates, and Lipids

Nucleic Acids and the Origin of Life

Cells: the Working Units of Life

Cell Membranes

Cell Signaling and Communication

Energy, Enzymes, and Metabolism

Pathways That Harvest Chemical Energy

Photosynthesis: Energy From Sunlight

The Cell Cycle and Cell Division

Inheritance, Genes, and Chromosomes

Dna and Its Role in Heredity

From Dna to Protein: Gene Expression

Gene Mutation and Molecular Medicine

Regulation of Gene Expression

Genomes

Recombinent Dna and Biotechnology

Differential Gene Expression in Development

Development and Evolutionary Change

Evidence and Mechanisms of Evolution

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Species and Their Formation

Evolution of Genes and Genomes

The History of Life on Earth

Bacteria and Archaea: the Prokaryotic Domains

The Origin and Diversification of Eukaryotes

Plants Without Seeds: From Water to Land

The Evolution of Seed Plants

Fungi: Recyclers, Pathogens, Parasites, and Plant Partners

Animal Origins and the Evolution of Body Plans

Protostome Animals

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Reproduction in Flowering Plants

Plant Responses to Environmental Challenges

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Animal Hormones

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The Mammalian Nervous System: Structure and Higher Function

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Gas Exchange in Animals

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