Question 1

Which of the following is an example of a positive feedback loop?

Accepted Answer

A)  The kidney retaining water when the organism becomes dehydrated 
B)  A hummingbird maintaining a constant internal body temperature 
C)  Stress altering the normal menstrual cycle, which delays menstruation, thereby causing more stress 
D)  A person altering her breathing rate to keep blood pH between 7.35 and 7.45 
A)  The kidney retaining water when the organism becomes dehydrated 
B)  A hummingbird maintaining a constant internal body temperature 
C)  Stress altering the normal menstrual cycle, which delays menstruation, thereby causing more stress 
D)  A person altering her breathing rate to keep blood pH between 7.35 and 7.45

Question 2

How do exocrine glands differ from endocrine glands?

Accepted Answer

Exocrine glands secrete substa

Question 3

The maintenance of internal conditions within narrow ranges is known as homeostasis.

Accepted Answer

A) True 
 B)False

Question 4

The_________  system is composed of the kidneys, ureters, bladder, and urethra.

Accepted Answer

A)  digestive 
B)  respiratory 
C)  urinary 
D)  circulatory 
E)  reproductive 
A)  digestive 
B)  respiratory 
C)  urinary 
D)  circulatory 
E)  reproductive

Question 5

The dermis of the skin is composed of stratified epithelium.

Accepted Answer

A) True 
 B)False

Question 6

The tissue in the photograph is

Accepted Answer

A)  stratified epithelium. 
B)  nerve tissue. 
C)  skeletal muscle. 
D)  connective tissue. 
E)  simple epithelium. 
A)  stratified epithelium. 
B)  nerve tissue. 
C)  skeletal muscle. 
D)  connective tissue. 
E)  simple epithelium.

Question 7

_________ glands are a form of epithelial tissue that secretes substances through a duct.

Accepted Answer

The answer of _________ glands are a form of epithelial...

Question 8

The integumentary system plays a role in temperature regulation.

Accepted Answer

A) True 
 B)False

Question 9

A calcium phosphate matrix is characteristic of_________  , a specialized connective tissue.

Accepted Answer

The answer of A calcium phosphate matrix is characteristic of_________...

Question 10

Glands that lack ducts and use the bloodstream to transport their products are called_________ glands.

Accepted Answer

The answer of Glands that lack ducts and use the...

Question 11

Blood is a type of _________ tissue.

Accepted Answer

A)  nerve 
B)  endothelial 
C)  epithelial 
D)  muscle 
E)  connective 
A)  nerve 
B)  endothelial 
C)  epithelial 
D)  muscle 
E)  connective

Question 12

What happens if homeostasis is NOT maintained?

Accepted Answer

A)  Organisms function better. 
B)  Cells begin dividing uncontrollably. 
C)  Cells lose the ability to carry out normal functions. 
D)  Organisms stop using negative feedback loops. 
E)  Cellular metabolism is unchanged. 
A)  Organisms function better. 
B)  Cells begin dividing uncontrollably. 
C)  Cells lose the ability to carry out normal functions. 
D)  Organisms stop using negative feedback loops. 
E)  Cellular metabolism is unchanged.

Question 13

In the description of homeostasis, the term dynamic constancy refers to

Accepted Answer

A)  a disregarded theory that suggested there were no external energy requirements to maintain cell homeostasis. 
B)  the use of ATP to initiate a cascade effect. 
C)  the fact that even though physical and chemical changes do occur, conditions are kept within a range. 
D)  the direct interaction of each positive feedback system with its corresponding negative feedback system. 
E)  a constant movement toward equilibrium. 
A)  a disregarded theory that suggested there were no external energy requirements to maintain cell homeostasis. 
B)  the use of ATP to initiate a cascade effect. 
C)  the fact that even though physical and chemical changes do occur, conditions are kept within a range. 
D)  the direct interaction of each positive feedback system with its corresponding negative feedback system. 
E)  a constant movement toward equilibrium.

Question 14

This feedback loop is an example of_________  feedback.

Accepted Answer

A)  positive 
B)  negative 
A)  positive 
B)  negative

Question 15

In addition to the nervous system, which vertebrate organ system controls physiological processes in animals?

Accepted Answer

A)  Reproductive 
B)  Endocrine 
C)  Respiratory 
D)  Skeletal 
E)  Muscular 
A)  Reproductive 
B)  Endocrine 
C)  Respiratory 
D)  Skeletal 
E)  Muscular

Question 16

Connective tissues are made up of cells surrounded by an extracellular matrix, the consistency of which can vary from a liquid to a solid.

Accepted Answer

A) True 
 B)False

Question 17

How are cardiac and smooth muscles similar?

Accepted Answer

A)  Both use cyclic adenosine monophosphate (cAMP) as an energy source. 
B)  Both are involuntary. 
C)  Both are typically under conscious control. 
D)  Both have only thin protein filaments. 
E)  Both are connected to bones. 
A)  Both use cyclic adenosine monophosphate (cAMP) as an energy source. 
B)  Both are involuntary. 
C)  Both are typically under conscious control. 
D)  Both have only thin protein filaments. 
E)  Both are connected to bones.

Question 18

Why do organisms need to maintain homeostasis?

Accepted Answer

Metabolic reactions work at optimal leve

Question 19

Which tissue is in direct contact with the external environment of an animal?

Accepted Answer

A)  Epithelial 
B)  Endothelial 
C)  Connective 
D)  Nerve 
E)  Muscle 
A)  Epithelial 
B)  Endothelial 
C)  Connective 
D)  Nerve 
E)  Muscle

Question 20

The lining of the trachea is formed from _________ tissue.

Accepted Answer

A)  undifferentiated 
B)  muscle 
C)  connective 
D)  nerve 
E)  epithelial 
A)  undifferentiated 
B)  muscle 
C)  connective 
D)  nerve 
E)  epithelial

Exam 32: Homeostasis and the Organization of the Animal Body

Which of the following is an example of a positive feedback loop?

How do exocrine glands differ from endocrine glands?

The maintenance of internal conditions within narrow ranges is known as homeostasis.

The_________ system is composed of the kidneys, ureters, bladder, and urethra.

The dermis of the skin is composed of stratified epithelium.

The tissue in the photograph is

_________ glands are a form of epithelial tissue that secretes substances through a duct.

The integumentary system plays a role in temperature regulation.

A calcium phosphate matrix is characteristic of_________ , a specialized connective tissue.

Glands that lack ducts and use the bloodstream to transport their products are called_________ glands.

Blood is a type of _________ tissue.

What happens if homeostasis is NOT maintained?

In the description of homeostasis, the term dynamic constancy refers to

This feedback loop is an example of_________ feedback.

In addition to the nervous system, which vertebrate organ system controls physiological processes in animals?

Connective tissues are made up of cells surrounded by an extracellular matrix, the consistency of which can vary from a liquid to a solid.

How are cardiac and smooth muscles similar?

Why do organisms need to maintain homeostasis?

Which tissue is in direct contact with the external environment of an animal?

The lining of the trachea is formed from _________ tissue.

An Introduction to Life on Earth

Atoms, Molecules, and Life

Biological Molecules

Cell Structure and Function

Cell Membrane Structure and Function

Energy Flow in the Life of a Cell

Capturing Solar Energy: Photosynthesis

Harvesting Energy: Glycolysis and Cellular Respiration

Cellular Reproduction

Meiosis: the Basis of Sexual Reproduction

Patterns of Inheritance

DNA: The Molecule of Heredity

Gene Expression and Regulation

Biotechnology

Principles of Evolution

How Populations Evolve

The Origin of Species

The History of Life

Systematics: Seeking Order Amid Diversity

The Diversity of Prokaryotes and Viruses

The Diversity of Protists

The Diversity of Plants

The Diversity of Fungi

Animal Diversity I: Invertebrates

Animal Diversity Ii: Vertebrates

Animal Behavior

Population Growth and Regulation

Community Interactions

Energy Flow and Nutrient Cycling in Ecosystems

Earths Diverse Ecosystems

Conserving Earths Biodiversity

Circulation

Respiration

Nutrition and Digestion

The Urinary System

Defenses Against Disease

Chemical Control of the Animal Body: the Endocrine System

The Nervous System

The Senses

Action and Support: the Muscles and Skeleton

Animal Reproduction

Animal Development

Plant Anatomy and Nutrient Transport

Plant Reproduction and Development

Plant Responses to the Environment

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