Question 1

What is the name of the toxin that has been altered so that it is harmless yet still antigenic?

Accepted Answer

A)  Vaccine 
B)  Antibody 
C)  Gamma globulin 
D)  Toxoid 
A)  Vaccine 
B)  Antibody 
C)  Gamma globulin 
D)  Toxoid

Question 2

Complement and interferons

Accepted Answer

A)  activate T cells. 
B)  are antibodies secreted by plasma cells. 
C)  are protective proteins that enhance the immune response to infection. 
D)  include histamine and leukotrienes that cause anaphylaxis. 
A)  activate T cells. 
B)  are antibodies secreted by plasma cells. 
C)  are protective proteins that enhance the immune response to infection. 
D)  include histamine and leukotrienes that cause anaphylaxis.

Question 3

Phagocytosis

Accepted Answer

A)  is a function only of the T cell. 
B)  is a form of specific immunity. 
C)  does not require a specific antigen. 
D)  is mediated through antibodies. 
A)  is a function only of the T cell. 
B)  is a form of specific immunity. 
C)  does not require a specific antigen. 
D)  is mediated through antibodies.

Question 4

HIV (human immunodeficiency virus)produces severe impairment of the immune system by attacking which cells?

Accepted Answer

A)  Plasma cells 
B)  Suppressor T cells 
C)  Helper T cells 
D)  Platelets 
A)  Plasma cells 
B)  Suppressor T cells 
C)  Helper T cells 
D)  Platelets

Question 5

Inflammation is

Accepted Answer

A)  a reaction that is classified as a specific immune response. 
B)  characterized by redness, heat, swelling, and pain. 
C)  known as cell-mediated immunity. 
D)  initiated only by a pathogen. 
A)  a reaction that is classified as a specific immune response. 
B)  characterized by redness, heat, swelling, and pain. 
C)  known as cell-mediated immunity. 
D)  initiated only by a pathogen.

Question 6

Which of the following is most related to the placental transfer of antibodies from the mother to the fetus?

Accepted Answer

A)  Naturally acquired active immunity 
B)  Naturally acquired passive immunity 
C)  Artificially acquired active immunity 
D)  Artificially acquired passive immunity 
A)  Naturally acquired active immunity 
B)  Naturally acquired passive immunity 
C)  Artificially acquired active immunity 
D)  Artificially acquired passive immunity

Question 7

What is the term that refers to the level of antibodies in your blood?

Accepted Answer

A)  T cell count 
B)  Titer 
C)  White blood cell count 
D)  Hematocrit 
A)  T cell count 
B)  Titer 
C)  White blood cell count 
D)  Hematocrit

Question 8

Which cell engages in cell-to-cell combat?

Accepted Answer

A)  Erythrocyte 
B)  Platelet 
C)  B cell 
D)  T cell 
A)  Erythrocyte 
B)  Platelet 
C)  B cell 
D)  T cell

Question 9

Which of the following is true of the B cell?

Accepted Answer

A)  Activated in response to a specific antigen 
B)  Engages in cell-mediated combat 
C)  Called a Kupffer cell when fixed within the hepatic sinusoids 
D)  All of the above are true. 
A)  Activated in response to a specific antigen 
B)  Engages in cell-mediated combat 
C)  Called a Kupffer cell when fixed within the hepatic sinusoids 
D)  All of the above are true.

Question 10

Which of the following is most associated with a low plasma level of antibodies?

Accepted Answer

A)  The "booster" response 
B)  The primary response 
C)  An autoimmune response 
D)  Anaphylaxis 
A)  The "booster" response 
B)  The primary response 
C)  An autoimmune response 
D)  Anaphylaxis

Question 11

If you had measles as a child,which of the following best describes your immunity to measles?

Accepted Answer

A)  Artificially acquired active immunity 
B)  Artificially acquired passive immunity 
C)  Naturally acquired passive immunity 
D)  Naturally acquired active immunity 
A)  Artificially acquired active immunity 
B)  Artificially acquired passive immunity 
C)  Naturally acquired passive immunity 
D)  Naturally acquired active immunity

Question 12

The redness and heat associated with inflammation

Accepted Answer

A)  are always caused by the growth of pathogens within the inflamed area. 
B)  are due to the release of histamine from injured tissue; it dilates blood vessels and increases blood flow to the inflamed area. 
C)  can be relieved by the application of heat over the inflamed area. 
D)  are indicative of an impending anaphylactic reaction. 
A)  are always caused by the growth of pathogens within the inflamed area. 
B)  are due to the release of histamine from injured tissue; it dilates blood vessels and increases blood flow to the inflamed area. 
C)  can be relieved by the application of heat over the inflamed area. 
D)  are indicative of an impending anaphylactic reaction.

Question 13

Which of the following describes the effects of phagocytosis?

Accepted Answer

A)  Release of histamine, a natural antimicrobial agent 
B)  Correction of hypoxemia by delivery of oxygen to oxygen-starved tissues 
C)  Ingestion and destruction of pathogens and other foreign substances 
D)  Activation of B and T cells 
A)  Release of histamine, a natural antimicrobial agent 
B)  Correction of hypoxemia by delivery of oxygen to oxygen-starved tissues 
C)  Ingestion and destruction of pathogens and other foreign substances 
D)  Activation of B and T cells

Question 14

Which group is incorrect?

Accepted Answer

A)  Mechanical barriers: skin, mucous membrane 
B)  Protective proteins: interferons, complement proteins 
C)  Nonspecific immunity: inflammation, NK cells, fever, T cells 
D)  Signs of inflammation: redness, heat, swelling, pain 
A)  Mechanical barriers: skin, mucous membrane 
B)  Protective proteins: interferons, complement proteins 
C)  Nonspecific immunity: inflammation, NK cells, fever, T cells 
D)  Signs of inflammation: redness, heat, swelling, pain

Question 15

Antibodies

Accepted Answer

A)  include IgG, IgM, and IgE. 
B)  are secreted by plasma cells. 
C)  react with antigens, causing agglutination. 
D)  All of the above are true. 
A)  include IgG, IgM, and IgE. 
B)  are secreted by plasma cells. 
C)  react with antigens, causing agglutination. 
D)  All of the above are true.

Question 16

What is the name of a severe hypersensitivity reaction?

Accepted Answer

A)  Cyanosis 
B)  Immunocompetence 
C)  Autoimmunity 
D)  Anaphylaxis 
A)  Cyanosis 
B)  Immunocompetence 
C)  Autoimmunity 
D)  Anaphylaxis

Question 17

Agglutination is the consequence of

Accepted Answer

A)  antigen-antibody interaction. 
B)  the binding of IgG antibodies to mast cells. 
C)  the effect of histamine on the smooth muscle of the lungs and blood vessels. 
D)  activation of blood coagulation factors. 
A)  antigen-antibody interaction. 
B)  the binding of IgG antibodies to mast cells. 
C)  the effect of histamine on the smooth muscle of the lungs and blood vessels. 
D)  activation of blood coagulation factors.

Question 18

The plasma cells

Accepted Answer

A)  are part of the T cell clone. 
B)  secrete antibodies. 
C)  are considered nonspecific immunity. 
D)  are the same as memory B cells. 
A)  are part of the T cell clone. 
B)  secrete antibodies. 
C)  are considered nonspecific immunity. 
D)  are the same as memory B cells.

Question 19

The Kupffer cells are fixed macrophages within the walls of the hepatic sinusoids and

Accepted Answer

A)  engage in phagocytosis of pathogens in the blood coming from the organs of digestion. 
B)  are the origin of the B and T cells. 
C)  produce antibodies in response to the antigens within the portal blood coming from the organs of digestion. 
D)  are the same as natural killer cells. 
A)  engage in phagocytosis of pathogens in the blood coming from the organs of digestion. 
B)  are the origin of the B and T cells. 
C)  produce antibodies in response to the antigens within the portal blood coming from the organs of digestion. 
D)  are the same as natural killer cells.

Question 20

The terms pyrexia,febrile,and pyrogenic all refer to

Accepted Answer

A)  seizures. 
B)  pathogens. 
C)  heat stroke. 
D)  fever. 
A)  seizures. 
B)  pathogens. 
C)  heat stroke. 
D)  fever.

Exam 21: Immune System

What is the name of the toxin that has been altered so that it is harmless yet still antigenic?

Complement and interferons

Phagocytosis

HIV (human immunodeficiency virus)produces severe impairment of the immune system by attacking which cells?

Inflammation is

Which of the following is most related to the placental transfer of antibodies from the mother to the fetus?

What is the term that refers to the level of antibodies in your blood?

Which cell engages in cell-to-cell combat?

Which of the following is true of the B cell?

Which of the following is most associated with a low plasma level of antibodies?

If you had measles as a child,which of the following best describes your immunity to measles?

The redness and heat associated with inflammation

Which of the following describes the effects of phagocytosis?

Which group is incorrect?

Antibodies

What is the name of a severe hypersensitivity reaction?

Agglutination is the consequence of

The plasma cells

The Kupffer cells are fixed macrophages within the walls of the hepatic sinusoids and

The terms pyrexia,febrile,and pyrogenic all refer to

Introduction to the Human Body

Basic Chemistry

Cells

Cell Metabolism

Microbiology Basics

Tissues and Membranes

Integumentary System and Body Temperature

Skeletal System

Muscular System

Nervous System: Nervous Tissue and Brain

Nervous System: Spinal Cord and Peripheral Nerves

Autonomic Nervous System

Sensory System

Endocrine System

Blood

Anatomy of the Heart

Function of the Heart

Anatomy of the Blood Vessels

Functions of the Blood Vessels

Lymphatic System

Respiratory System

Digestive System

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive Systems

Human Development and Heredity

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