Question 1

Passive immunity differs from active immunity in that passive immunity

Accepted Answer

A)  causes long-term immunity. 
B)  involves the administration of preformed antibodies. 
C)  results in the production of antibodies. 
D)  is not effective against a preexisting condition. 
E)  results in the production of memory cells. 
A)  causes long-term immunity. 
B)  involves the administration of preformed antibodies. 
C)  results in the production of antibodies. 
D)  is not effective against a preexisting condition. 
E)  results in the production of memory cells.

Question 2

Histamine is released by neutrophils to induce an inflammation response when tissues become damaged.

Accepted Answer

A) True 
 B)False

Question 3

The figure above illustrates antibody titers produced during a primary and secondary immune response. All of the following statements about the primary and secondary immune response are correct EXCEPT which one?

Accepted Answer

A)  Antibody is produced at a much higher rate during the secondary immune response. 
B)  The antibody level produced in the secondary response is three times greater than that produced during the primary immune response. 
C)  There is a lag time between antigen exposure and antibody production in the primary immune response that is not seen in the secondary immune response. 
D)  The difference between the two responses is due to the presence of memory cells during the secondary response. 
E)  Antibody levels stay elevated for a longer time following a secondary response. 
A)  Antibody is produced at a much higher rate during the secondary immune response. 
B)  The antibody level produced in the secondary response is three times greater than that produced during the primary immune response. 
C)  There is a lag time between antigen exposure and antibody production in the primary immune response that is not seen in the secondary immune response. 
D)  The difference between the two responses is due to the presence of memory cells during the secondary response. 
E)  Antibody levels stay elevated for a longer time following a secondary response.

Question 4

Which one of the following best explains why people get so many colds in their lifetime?

Accepted Answer

A)  The immune system has a hard time identifying the viruses that cause the colds. 
B)  The viruses that cause these colds constantly produce new antibodies, which cause the symptoms. 
C)  These individuals do not produce enough white blood cells. 
D)  The viruses that cause colds evolve rapidly, which results in a change in their antigenic structure. 
E)  The B cells of these individuals destroy their T cells. 
A)  The immune system has a hard time identifying the viruses that cause the colds. 
B)  The viruses that cause these colds constantly produce new antibodies, which cause the symptoms. 
C)  These individuals do not produce enough white blood cells. 
D)  The viruses that cause colds evolve rapidly, which results in a change in their antigenic structure. 
E)  The B cells of these individuals destroy their T cells.

Question 5

Any substance that produces an inappropriate response of the immune system is referred to as a(an)

Accepted Answer

A)  allergen. 
B)  antibody. 
C)  plasma cell. 
D)  allergy. 
E)  perforin. 
A)  allergen. 
B)  antibody. 
C)  plasma cell. 
D)  allergy. 
E)  perforin.

Question 6

Match each of the following T lymphocytes to its description.
-activate the immune system when an antigen reenters the body

Accepted Answer

A) helper T cells 
B) cytotoxic T cells 
C) memory T cells 
A) helper T cells 
B) cytotoxic T cells 
C) memory T cells

Question 7

A condition that results when the immune system produces antibodies and cytotoxic T cells against its own cells is a(n) ________ disorder.

Accepted Answer

The answer of A condition that results when the immune...

Question 8

Match each of the following disorders associated with the immune system to its description.
-a disease caused by HIV infection; results in irreparable damage to the immune system

Accepted Answer

A) acquired immunodeficiency syndrome (AIDS) 
B) severe combined immunodeficiency disease (SCI
D)  
C) rheumatoid arthritis 
D) allergy 
E) lupus erythematosus 
A) acquired immunodeficiency syndrome (AIDS) 
B) severe combined immunodeficiency disease (SCI
D)  
C) rheumatoid arthritis 
D) allergy 
E) lupus erythematosus

Question 9

All of the following are ways in which a mild fever participates as part of the body's second line of defense and aids the body EXCEPT

Accepted Answer

A)  increasing the metabolic rate of body cells. 
B)  speeding up defense reactions. 
C)  increasing the rate of tissue repair. 
D)  creating an inhospitable internal environment for pathogenic bacteria. 
E)  enhancing the secretion of antibodies by plasma cells. 
A)  increasing the metabolic rate of body cells. 
B)  speeding up defense reactions. 
C)  increasing the rate of tissue repair. 
D)  creating an inhospitable internal environment for pathogenic bacteria. 
E)  enhancing the secretion of antibodies by plasma cells.

Question 10

Viral infections can usually be treated with antibiotics.

Accepted Answer

A) True 
 B)False

Question 11

Prions are infectious proteins that cause normal proteins in the brain to misfold.

Accepted Answer

A) True 
 B)False

Question 12

Lupus erythematosus is an autoimmune disorder in which the body attacks

Accepted Answer

A)  its own connective tissue. 
B)  the brain. 
C)  the spleen. 
D)  its own antibodies. 
E)  heart tissue. 
A)  its own connective tissue. 
B)  the brain. 
C)  the spleen. 
D)  its own antibodies. 
E)  heart tissue.

Question 13

Bacterial infections are generally treated with ________.

Accepted Answer

The answer of Bacterial infections are generally treated with ________....

Question 14

Tears and saliva contain the enzyme dermicidin, which is effective in preventing bacteria from entering the human body.

Accepted Answer

A) True 
 B)False

Question 15

The human body's first exposure to an antigen generates a primary ________ response.

Accepted Answer

The answer of The human body's first exposure to an...

Question 16

Skin is able to prevent most microorganisms from entering the body by

Accepted Answer

A)  producing alkaline secretions. 
B)  having keratin in the uppermost layer. 
C)  production of antibodies. 
D)  the adhesion junction in the skin preventing bacteria from entering. 
E)  releasing macrophages on the skin surface. 
A)  producing alkaline secretions. 
B)  having keratin in the uppermost layer. 
C)  production of antibodies. 
D)  the adhesion junction in the skin preventing bacteria from entering. 
E)  releasing macrophages on the skin surface.

Question 17

All of the following are used in making monoclonal antibodies EXCEPT which one?

Accepted Answer

A)  mouse T cells from thymus 
B)  mouse B cells from spleen 
C)  specific antigen injected into mouse 
D)  myeloma (cancer) cells 
E)  cell culture media for hybridoma cells 
A)  mouse T cells from thymus 
B)  mouse B cells from spleen 
C)  specific antigen injected into mouse 
D)  myeloma (cancer) cells 
E)  cell culture media for hybridoma cells

Question 18

B lymphocytes mature in the ________.

Accepted Answer

The answer of B lymphocytes mature in the ________....

Question 19

The first type of white blood cell to arrive at the site of an infection is the eosinophil.

Accepted Answer

A) True 
 B)False

Question 20

All of the following represent physical and/or chemical barriers that form the body's first line of defense against pathogens EXCEPT which one?

Accepted Answer

A)  tears 
B)  resident bacteria 
C)  skin surface 
D)  earwax 
E)  antibodies 
A)  tears 
B)  resident bacteria 
C)  skin surface 
D)  earwax 
E)  antibodies

Exam 9: The Immune System and Mechanisms of Defense

Passive immunity differs from active immunity in that passive immunity

Histamine is released by neutrophils to induce an inflammation response when tissues become damaged.

The figure above illustrates antibody titers produced during a primary and secondary immune response. All of the following statements about the primary and secondary immune response are correct EXCEPT which one?

Which one of the following best explains why people get so many colds in their lifetime?

Any substance that produces an inappropriate response of the immune system is referred to as a(an)

Match each of the following T lymphocytes to its description. -activate the immune system when an antigen reenters the body

A condition that results when the immune system produces antibodies and cytotoxic T cells against its own cells is a(n) ________ disorder.

Match each of the following disorders associated with the immune system to its description. -a disease caused by HIV infection; results in irreparable damage to the immune system

All of the following are ways in which a mild fever participates as part of the body's second line of defense and aids the body EXCEPT

Viral infections can usually be treated with antibiotics.

Prions are infectious proteins that cause normal proteins in the brain to misfold.

Lupus erythematosus is an autoimmune disorder in which the body attacks

Bacterial infections are generally treated with ________.

Tears and saliva contain the enzyme dermicidin, which is effective in preventing bacteria from entering the human body.

The human body's first exposure to an antigen generates a primary ________ response.

Skin is able to prevent most microorganisms from entering the body by

All of the following are used in making monoclonal antibodies EXCEPT which one?

B lymphocytes mature in the ________.

The first type of white blood cell to arrive at the site of an infection is the eosinophil.

All of the following represent physical and/or chemical barriers that form the body's first line of defense against pathogens EXCEPT which one?

Human Biology, Science, and Society

The Chemistry of Living Things

Structure and Function of Cells

From Cells to Organ Systems

The Skeletal System

The Muscular System

Blood

Heart and Blood Vessels

The Respiratory System: Exchange of Gases

The Nervous System: Integration and Control

Sensory Mechanisms

The Endocrine System

The Digestive System and Nutrition

The Urinary System

Reproductive Systems

Cell Reproduction and Differentiation

Cancer: Uncontrolled Cell Division and Differentiation

Genetics and Inheritance

DNA Technology and Genetic Engineering

Development and Aging

Evolution and the Origins of Life

Ecosystems and Populations

Human Impacts, Biodiversity, and Environmental Issues

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