Question 1

Human fertility drugs taken by women increase the chance of multiple births, probably because they

Accepted Answer

A)  enhance implantation opportunities. 
B)  stimulate the development of many ovarian follicles. 
C)  mimic progesterone action in the uterus. 
D)  stimulate steroidogenesis. 
E)  delay parturition. 
A)  enhance implantation opportunities. 
B)  stimulate the development of many ovarian follicles. 
C)  mimic progesterone action in the uterus. 
D)  stimulate steroidogenesis. 
E)  delay parturition.

Question 2

Which of the following patterns of reproduction are found only among invertebrate animals?

Accepted Answer

A)  sexual and asexual reproduction 
B)  external and internal fertilization 
C)  hermaphroditism and parthenogenesis 
D)  pheromonal and hormonal coordination 
E)  fission and budding 
A)  sexual and asexual reproduction 
B)  external and internal fertilization 
C)  hermaphroditism and parthenogenesis 
D)  pheromonal and hormonal coordination 
E)  fission and budding

Question 3

Refer to the following figure, which diagrams the reproductive anatomy of the human female, to answer the following questions.
  
-In the above figure, which letter points to the oviduct?

Accepted Answer

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

Question 4

Environmental cues that influence the timing of reproduction generally do so by

Accepted Answer

A)  increasing the body temperature. 
B)  providing access to water for external fertilization. 
C)  increasing ambient temperature to that which is comfortable for sex. 
D)  direct effects on gonadal structures. 
E)  direct effects on hormonal control mechanisms. 
A)  increasing the body temperature. 
B)  providing access to water for external fertilization. 
C)  increasing ambient temperature to that which is comfortable for sex. 
D)  direct effects on gonadal structures. 
E)  direct effects on hormonal control mechanisms.

Question 5

-In the above figure, which letter points to the prostate gland?

Accepted Answer

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

Question 6

External chemical signals that coordinate potential reproductive partners are called

Accepted Answer

A)  hormones. 
B)  pheromones. 
C)  paracrine signals. 
D)  cytokines. 
E)  gametes. 
A)  hormones. 
B)  pheromones. 
C)  paracrine signals. 
D)  cytokines. 
E)  gametes.

Question 7

You observe vertebrate organisms with parthenogenetic reproduction, internal development of embryos, and the lack of parental care for its young. Based on this information, you should categorize these organisms as

Accepted Answer

A)  earthworms. 
B)  lizards. 
C)  birds. 
D)  frogs. 
E)  mammals. 
A)  earthworms. 
B)  lizards. 
C)  birds. 
D)  frogs. 
E)  mammals.

Question 8

For normal human fertilization to occur,

Accepted Answer

A)  many ova must be released. 
B)  the uterus must be enlarged. 
C)  only one sperm need penetrate one egg. 
D)  secretion of pituitary FSH and LH must decrease. 
E)  the secondary oocyte must implant in the uterus. 
A)  many ova must be released. 
B)  the uterus must be enlarged. 
C)  only one sperm need penetrate one egg. 
D)  secretion of pituitary FSH and LH must decrease. 
E)  the secondary oocyte must implant in the uterus.

Question 9

The "immunotolerance" of a pregnant woman toward her unborn child is the result of

Accepted Answer

A)  the tenacity with which the unborn child's immune system counteracts the woman's immune system. 
B)  the relative quiescence of a pregnant woman's immune system compared to when she was not pregnant. 
C)  the complete physical separation of her cells from those of the unborn child. 
D)  the unborn child having enough of the woman's identity so as to escape detection as foreign. 
E)  modern medical intervention during every pregnancy. 
A)  the tenacity with which the unborn child's immune system counteracts the woman's immune system. 
B)  the relative quiescence of a pregnant woman's immune system compared to when she was not pregnant. 
C)  the complete physical separation of her cells from those of the unborn child. 
D)  the unborn child having enough of the woman's identity so as to escape detection as foreign. 
E)  modern medical intervention during every pregnancy.

Question 10

So-called "combination" birth control pills function in contraception by

Accepted Answer

A)  inhibiting the release of GnRH, FSH, and LH. 
B)  irritating the uterine lining so as to prevent implantation. 
C)  causing spontaneous abortions. 
D)  blocking progesterone receptors, so that pregnancy cannot be maintained. 
E)  binding to and inactivating any sperm that enter the oviduct. 
A)  inhibiting the release of GnRH, FSH, and LH. 
B)  irritating the uterine lining so as to prevent implantation. 
C)  causing spontaneous abortions. 
D)  blocking progesterone receptors, so that pregnancy cannot be maintained. 
E)  binding to and inactivating any sperm that enter the oviduct.

Question 11

Asexual reproduction results in greater reproductive success than does sexual reproduction when

Accepted Answer

A)  pathogens are rapidly diversifying. 
B)  a species has accumulated numerous deleterious mutations. 
C)  there is some potential for rapid overpopulation. 
D)  a species is expanding into diverse geographic settings. 
E)  a species is in stable and favorable environments. 
A)  pathogens are rapidly diversifying. 
B)  a species has accumulated numerous deleterious mutations. 
C)  there is some potential for rapid overpopulation. 
D)  a species is expanding into diverse geographic settings. 
E)  a species is in stable and favorable environments.

Question 12

Among these contraception methods, the highest risk of accidental pregnancy accompanies

Accepted Answer

A)  the use of a diaphragm. 
B)  the use of a condom. 
C)  the practice of coitus interruptus. 
D)  a verified vasectomy. 
E)  the practice of the "rhythm method." 
A)  the use of a diaphragm. 
B)  the use of a condom. 
C)  the practice of coitus interruptus. 
D)  a verified vasectomy. 
E)  the practice of the "rhythm method."

Question 13

In male mammals, excretory and reproductive systems share

Accepted Answer

A)  the testes. 
B)  the urethra. 
C)  the seminal vesicle. 
D)  the vas deferens. 
E)  the prostate. 
A)  the testes. 
B)  the urethra. 
C)  the seminal vesicle. 
D)  the vas deferens. 
E)  the prostate.

Question 14

For lactation to take place, the synthesis of breast milk and its release from the mammary gland, respectively, are caused by

Accepted Answer

A)  testosterone and dihydrotestosterone. 
B)  estrogen and progesterone. 
C)  cortisol and testosterone. 
D)  prolactin and oxytocin. 
E)  luteinizing hormone and follicle-stimulating hormone. 
A)  testosterone and dihydrotestosterone. 
B)  estrogen and progesterone. 
C)  cortisol and testosterone. 
D)  prolactin and oxytocin. 
E)  luteinizing hormone and follicle-stimulating hormone.

Exam 46: Animal Reproduction

Human fertility drugs taken by women increase the chance of multiple births, probably because they

Which of the following patterns of reproduction are found only among invertebrate animals?

Refer to the following figure, which diagrams the reproductive anatomy of the human female, to answer the following questions. -In the above figure, which letter points to the oviduct?

Environmental cues that influence the timing of reproduction generally do so by

-In the above figure, which letter points to the prostate gland?

External chemical signals that coordinate potential reproductive partners are called

You observe vertebrate organisms with parthenogenetic reproduction, internal development of embryos, and the lack of parental care for its young. Based on this information, you should categorize these organisms as

For normal human fertilization to occur,

The "immunotolerance" of a pregnant woman toward her unborn child is the result of

So-called "combination" birth control pills function in contraception by

Asexual reproduction results in greater reproductive success than does sexual reproduction when

Among these contraception methods, the highest risk of accidental pregnancy accompanies

In male mammals, excretory and reproductive systems share

For lactation to take place, the synthesis of breast milk and its release from the mammary gland, respectively, are caused by

Introduction: Themes in the Study of Life

The Chemical Context of Life

Water and Life

Carbon and the Molecular Diversity of Life

The Structure and Function of Large Biological Molecules

A Tour of the Cell

Membrane Structure and Function

An Introduction to Metabolism

Cellular Respiration and Fermentation

Photosynthesis

Cell Communication

The Cell Cycle

Meiosis and Sexual Life Cycles

Mendel and the Gene Idea

The Chromosomal Basis of Inheritance

The Molecular Basis of Inheritance

From Gene to Protein

Regulation of Gene Expression

Viruses

Biotechnology

Genomes and Their Evolution

Descent with Modification: A Darwinian View of Life

The Evolution of Populations

The Origin of Species

The History of Life on Earth

Phylogeny and the Tree of Life

Bacteria and Archaea

Protists

Plant Diversity I: How Plants Colonized Land

Plant Diversity II: The Evolution of Seed Plants

Fungi

An Overview of Animal Diversity

An Introduction to Invertebrates

The Origin and Evolution of Vertebrates

Plant Structure, Growth, and Development

Resource Acquisition and Transport in Vascular Plants

Soil and Plant Nutrition

Angiosperm Reproduction and Biotechnology

Plant Responses to Internal and External Signals

Basic Principles of Animal Form and Function

Animal Nutrition

Circulation and Gas Exchange

The Immune System

Osmoregulation and Excretion

Hormones and the Endocrine System

Animal Development

Neurons, Synapses, and Signaling

Nervous Systems

Sensory and Motor Mechanisms

Animal Behavior

An Introduction to Ecology and the Biosphere

Population Ecology

Community Ecology

Ecosystems and Restoration Ecology

Conservation Biology and Global Change

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