Question 1

Which of the following is an example of a Type IV allergy?

Accepted Answer

A)  itchy rash that follows contact with poison ivy 
B)  hay fever 
C)  anaphylaxis 
D)  cross reactions that occur following the transfusion of an incompatible blood type 
E)  phagocytosis cannot remove antigen-antibody complexes, leading to inflammation and tissue damage 
A)  itchy rash that follows contact with poison ivy 
B)  hay fever 
C)  anaphylaxis 
D)  cross reactions that occur following the transfusion of an incompatible blood type 
E)  phagocytosis cannot remove antigen-antibody complexes, leading to inflammation and tissue damage

Question 2

Which is the action of histamine?

Accepted Answer

A)  releases digestive enzymes that destroy the injured cells and then attacks the surrounding tissues 
B)  increases rate of metabolism 
C)  interferes with viral replication inside the cell 
D)  makes capillaries more permeable and speeds up blood flow through the area of damaged tissue 
E)  enhances phagocytosis 
A)  releases digestive enzymes that destroy the injured cells and then attacks the surrounding tissues 
B)  increases rate of metabolism 
C)  interferes with viral replication inside the cell 
D)  makes capillaries more permeable and speeds up blood flow through the area of damaged tissue 
E)  enhances phagocytosis

Question 3

Choose the correct paired interaction in order for T cell activation to occur.

Accepted Answer

A)  CD8 T cells; Class I MHC proteins 
B)  CD4 T cells; Class I MHC proteins 
C)  CD8 T cells; Class II MHC proteins 
D)  CD6 T cells; Class I MHC proteins 
E)  CD6 T cells; Class II MHC proteins 
A)  CD8 T cells; Class I MHC proteins 
B)  CD4 T cells; Class I MHC proteins 
C)  CD8 T cells; Class II MHC proteins 
D)  CD6 T cells; Class I MHC proteins 
E)  CD6 T cells; Class II MHC proteins

Question 4

In artificially induced active immunity,

Accepted Answer

A)  exposure to an antigen in the environment occurs naturally. 
B)  antibody production is stimulated under controlled conditions. 
C)  the body receives antibodies produced by another person. 
D)  antibodies are administered to prevent disease after exposure to the pathogen. 
E)  genes for antibodies are introduced into the body. 
A)  exposure to an antigen in the environment occurs naturally. 
B)  antibody production is stimulated under controlled conditions. 
C)  the body receives antibodies produced by another person. 
D)  antibodies are administered to prevent disease after exposure to the pathogen. 
E)  genes for antibodies are introduced into the body.

Question 5

The thymus gland is positioned

Accepted Answer

A)  posterior to the thyroid gland. 
B)  posterior to the sternum. 
C)  inferior to the heart. 
D)  posterior to the trachea. 
E)  in the inguinal region. 
A)  posterior to the thyroid gland. 
B)  posterior to the sternum. 
C)  inferior to the heart. 
D)  posterior to the trachea. 
E)  in the inguinal region.

Question 6

The major histocompatibility complex (MHC)

Accepted Answer

A)  kills the target cell by disrupting its metabolism. 
B)  produces antibodies in lymph glands. 
C)  is a group of genes that codes for CD4 markers. 
D)  is a membrane protein that can display foreign antigens. 
E)  is the antigen found on bacteria that stimulates an immune response. 
A)  kills the target cell by disrupting its metabolism. 
B)  produces antibodies in lymph glands. 
C)  is a group of genes that codes for CD4 markers. 
D)  is a membrane protein that can display foreign antigens. 
E)  is the antigen found on bacteria that stimulates an immune response.

Question 7

The spleen is

Accepted Answer

A)  embedded within the mucosa-associated lymphoid tissue. 
B)  wedged between the pancreas, the left kidney, and the diaphragm. 
C)  medial to the stomach and just inferior to the diaphragm. 
D)  attached to the lateral border of the stomach. 
E)  posterolateral to the liver. 
A)  embedded within the mucosa-associated lymphoid tissue. 
B)  wedged between the pancreas, the left kidney, and the diaphragm. 
C)  medial to the stomach and just inferior to the diaphragm. 
D)  attached to the lateral border of the stomach. 
E)  posterolateral to the liver.

Question 8

Opsonization,the process in which some pathogens are coated with antibodies and complement proteins,is representative of which antibody function?

Accepted Answer

A)  activation of complement 
B)  agglutination 
C)  neutralization 
D)  enhancement of phagocytosis 
E)  stimulation of inflammation 
A)  activation of complement 
B)  agglutination 
C)  neutralization 
D)  enhancement of phagocytosis 
E)  stimulation of inflammation

Question 9

Immunity that results from antibodies ingested from breast milk is which type of immunity?

Accepted Answer

A)  naturally acquired active immunity 
B)  naturally acquired passive immunity 
C)  artificially induced active immunity 
D)  artificially induced passive immunity 
E)  innate (nonspecific) immunity 
A)  naturally acquired active immunity 
B)  naturally acquired passive immunity 
C)  artificially induced active immunity 
D)  artificially induced passive immunity 
E)  innate (nonspecific) immunity

Question 10

Within lymph nodes,fixed macrophages and dendritic cells remove at least ________ percent of antigens arriving in lymph.

Accepted Answer

A)  10 
B)  25 
C)  50 
D)  80 
E)  99 
A)  10 
B)  25 
C)  50 
D)  80 
E)  99

Question 11

Which of the following stimulates the production of blood cells in red bone marrow and of lymphocytes in lymphoid tissues and organs?

Accepted Answer

A)  Il-1 
B)  TNFs 
C)  Tc cells 
D)  B cells 
E)  CSFs 
A)  Il-1 
B)  TNFs 
C)  Tc cells 
D)  B cells 
E)  CSFs

Question 12

Willy is allergic to ragweed pollen.He has read about a medication that blocks certain antibodies.Explain how this treatment can alleviate his allergy.

Accepted Answer

Allergies occur when antigens called all

Question 13

During the secondary response to antigens following a previous initial exposure,

Accepted Answer

A)  IgM molecules first appear in the bloodstream, followed by a slow rise in IgG. 
B)  an immediate rise in IgG concentrations occurs. 
C)  the antigen must first activate the appropriate B cells. 
D)  the antibody levels do not peak until one to two weeks after antigen exposure. 
E)  memory B cells do not differentiate into plasma cells. 
A)  IgM molecules first appear in the bloodstream, followed by a slow rise in IgG. 
B)  an immediate rise in IgG concentrations occurs. 
C)  the antigen must first activate the appropriate B cells. 
D)  the antibody levels do not peak until one to two weeks after antigen exposure. 
E)  memory B cells do not differentiate into plasma cells.

Question 14

The role of the spleen is slightly different from other lymph organs because it

Accepted Answer

A)  produces antibodies. 
B)  produces memory cells. 
C)  filters blood. 
D)  filters lymph. 
E)  contains lymphocytes. 
A)  produces antibodies. 
B)  produces memory cells. 
C)  filters blood. 
D)  filters lymph. 
E)  contains lymphocytes.

Question 15

Choose the most accurate characteristic of Class II MHC proteins.

Accepted Answer

A)  They dampen the responses of other T cells and of B cells. 
B)  They divide to produce memory cells and more active helper T cells. 
C)  They are found in the plasma membranes of all nucleated cells. 
D)  They consist of circulating proteins that assist antibodies in the destruction of pathogens. 
E)  They are found in the membranes of lymphocytes and antigen-presenting cells. 
A)  They dampen the responses of other T cells and of B cells. 
B)  They divide to produce memory cells and more active helper T cells. 
C)  They are found in the plasma membranes of all nucleated cells. 
D)  They consist of circulating proteins that assist antibodies in the destruction of pathogens. 
E)  They are found in the membranes of lymphocytes and antigen-presenting cells.

Question 16

Which are the primary cells of the lymphatic system?

Accepted Answer

A)  pyrogens 
B)  lymphocytes 
C)  mast cells 
D)  lymph nodes 
E)  phagocytes 
A)  pyrogens 
B)  lymphocytes 
C)  mast cells 
D)  lymph nodes 
E)  phagocytes

Question 17

Splenic blood vessels and lymphatic vessels connect with the spleen at the

Accepted Answer

A)  sinus. 
B)  medulla. 
C)  hilum. 
D)  cortex. 
E)  capsule. 
A)  sinus. 
B)  medulla. 
C)  hilum. 
D)  cortex. 
E)  capsule.

Question 18

Besides suppressor T cells,some ________ also help suppress immune function and shorten the duration of the immune response.

Accepted Answer

A)  interleukins 
B)  TNFs 
C)  phagocytic regulators 
D)  CSFs 
E)  interferons 
A)  interleukins 
B)  TNFs 
C)  phagocytic regulators 
D)  CSFs 
E)  interferons

Question 19

Which of the following immune cell populations targets foreign compounds or pathogens that have been coated with antibodies?

Accepted Answer

A)  Kupffer cells 
B)  neutrophils 
C)  monocytes 
D)  microglia 
E)  eosinophils 
A)  Kupffer cells 
B)  neutrophils 
C)  monocytes 
D)  microglia 
E)  eosinophils

Question 20

During inflammation,clotting does not occur at the actual site of injury due to the presence of

Accepted Answer

A)  pus. 
B)  pyrogens. 
C)  histamine. 
D)  heparin. 
E)  perforins. 
A)  pus. 
B)  pyrogens. 
C)  histamine. 
D)  heparin. 
E)  perforins.

Which of the following is an example of a Type IV allergy?

Which is the action of histamine?

Choose the correct paired interaction in order for T cell activation to occur.

In artificially induced active immunity,

The thymus gland is positioned

The major histocompatibility complex (MHC)

The spleen is

Opsonization,the process in which some pathogens are coated with antibodies and complement proteins,is representative of which antibody function?

Immunity that results from antibodies ingested from breast milk is which type of immunity?

Within lymph nodes,fixed macrophages and dendritic cells remove at least ________ percent of antigens arriving in lymph.

Which of the following stimulates the production of blood cells in red bone marrow and of lymphocytes in lymphoid tissues and organs?

Willy is allergic to ragweed pollen.He has read about a medication that blocks certain antibodies.Explain how this treatment can alleviate his allergy.

During the secondary response to antigens following a previous initial exposure,

The role of the spleen is slightly different from other lymph organs because it

Choose the most accurate characteristic of Class II MHC proteins.

Which are the primary cells of the lymphatic system?

Splenic blood vessels and lymphatic vessels connect with the spleen at the

Besides suppressor T cells,some ________ also help suppress immune function and shorten the duration of the immune response.

Which of the following immune cell populations targets foreign compounds or pathogens that have been coated with antibodies?

During inflammation,clotting does not occur at the actual site of injury due to the presence of

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

Cell Structure and Function

The Tissue Level of Organization

The Integumentary System

The Skeletal System

The Muscular System

The Nervous System

The General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: The Heart

The Cardiovascular System: Blood Vessels and Circulation

The Respiratory System

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Metabolism and Energetics

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Exam 14: The Lymphatic System and Immunity

Which of the following is an example of a Type IV allergy?

Which is the action of histamine?

Choose the correct paired interaction in order for T cell activation to occur.

In artificially induced active immunity,

The thymus gland is positioned

The major histocompatibility complex (MHC)

The spleen is

Opsonization,the process in which some pathogens are coated with antibodies and complement proteins,is representative of which antibody function?

Immunity that results from antibodies ingested from breast milk is which type of immunity?

Within lymph nodes,fixed macrophages and dendritic cells remove at least ________ percent of antigens arriving in lymph.

Which of the following stimulates the production of blood cells in red bone marrow and of lymphocytes in lymphoid tissues and organs?

Willy is allergic to ragweed pollen.He has read about a medication that blocks certain antibodies.Explain how this treatment can alleviate his allergy.

During the secondary response to antigens following a previous initial exposure,

The role of the spleen is slightly different from other lymph organs because it

Choose the most accurate characteristic of Class II MHC proteins.

Which are the primary cells of the lymphatic system?

Splenic blood vessels and lymphatic vessels connect with the spleen at the

Besides suppressor T cells,some ________ also help suppress immune function and shorten the duration of the immune response.

Which of the following immune cell populations targets foreign compounds or pathogens that have been coated with antibodies?

During inflammation,clotting does not occur at the actual site of injury due to the presence of

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

Cell Structure and Function

The Tissue Level of Organization

The Integumentary System

The Skeletal System

The Muscular System

The Nervous System

The General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: The Heart

The Cardiovascular System: Blood Vessels and Circulation

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

The Reproductive System

Development and Inheritance

Filters