Question 1

Why does the risk of cancer increase in AIDS patients?

Accepted Answer

A) Suppressor T cell activity resets the normal immune response. 
B) Immune surveillance is depressed. 
C) Cell-mediated immunity is enhanced. 
D) There is an increase in the circulating antibody levels. 
E) The virus enters human leukocytes by receptor-mediated endocytosis. 
A) Suppressor T cell activity resets the normal immune response. 
B) Immune surveillance is depressed. 
C) Cell-mediated immunity is enhanced. 
D) There is an increase in the circulating antibody levels. 
E) The virus enters human leukocytes by receptor-mediated endocytosis.

Question 2

The white pulp of the spleen contains large numbers of

Accepted Answer

A) red blood cells and platelets as well as vast stores of iron. 
B) lymphocytes,which initiate immune responses. 
C) eosinophils,which engage in immune surveillance. 
D) lymphocytes,which act as stationary phagocytes. 
E) antibodies that remain in reserve for the next antigen encounter. 
A) red blood cells and platelets as well as vast stores of iron. 
B) lymphocytes,which initiate immune responses. 
C) eosinophils,which engage in immune surveillance. 
D) lymphocytes,which act as stationary phagocytes. 
E) antibodies that remain in reserve for the next antigen encounter.

Question 3

IgD antibodies

Accepted Answer

A) decline in levels as IgG production accelerates. 
B) are important in the allergic response. 
C) are the anti-Rh antibodies produced by Rh-negative mothers. 
D) attack bacteria insensitive to IgG. 
E) bind antigens in the extracellular fluid to B cells. 
A) decline in levels as IgG production accelerates. 
B) are important in the allergic response. 
C) are the anti-Rh antibodies produced by Rh-negative mothers. 
D) attack bacteria insensitive to IgG. 
E) bind antigens in the extracellular fluid to B cells.

Question 4

IgG antibodies

Accepted Answer

A) are found in glandular secretions. 
B) bind antigens in the extracellular fluid to B cells. 
C) stimulate the release of histamine and other inflammatory chemicals. 
D) are the first antibody type secreted,following initial exposure to an antigen. 
E) can also cross the placenta and provide passive immunity to the fetus. 
A) are found in glandular secretions. 
B) bind antigens in the extracellular fluid to B cells. 
C) stimulate the release of histamine and other inflammatory chemicals. 
D) are the first antibody type secreted,following initial exposure to an antigen. 
E) can also cross the placenta and provide passive immunity to the fetus.

Question 5

Which of the following occurs in exocrine secretions and functions to attack pathogens before they enter body tissues?

Accepted Answer

A) IgA 
B) IgD 
C) IgE 
D) IgF 
E) IgM 
A) IgA 
B) IgD 
C) IgE 
D) IgF 
E) IgM

Question 6

The specificity of an antibody molecule depends on the structure of which of the following?

Accepted Answer

A) the constant segments of the light and heavy chains 
B) the constant and variable segments of the light and heavy chains 
C) the variable segments of the light and heavy chains 
D) the variable segments of the light chains only 
E) the constant segments of the heavy chains only 
A) the constant segments of the light and heavy chains 
B) the constant and variable segments of the light and heavy chains 
C) the variable segments of the light and heavy chains 
D) the variable segments of the light chains only 
E) the constant segments of the heavy chains only

Question 7

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.

Question 8

________ are clusters of lymphoid nodules located beneath the epithelial lining of the intestines.

Accepted Answer

A) Adenoids 
B) Lingual tonsils 
C) Palatine tonsils 
D) Vermiform appendices 
E) Peyer patches 
A) Adenoids 
B) Lingual tonsils 
C) Palatine tonsils 
D) Vermiform appendices 
E) Peyer patches

Question 9

Which of the following indicates that the immune system has achieved versatility?

Accepted Answer

A) Millions of NK cells are produced to ensure efficient immune surveillance. 
B) Lymphocytes,which are sensitive to an antigen,undergo repeated cell divisions. 
C) Production of many normal B cells and T cells,which will attack "self" antigens,occurs. 
D) Lymphocyte cell divisions produce two cell types: one group,which will attack specific antigens,and another group,which will remain inactive until exposed to the same antigen later. 
E) Millions of different lymphocyte populations are produced,each with different antigen receptors. 
A) Millions of NK cells are produced to ensure efficient immune surveillance. 
B) Lymphocytes,which are sensitive to an antigen,undergo repeated cell divisions. 
C) Production of many normal B cells and T cells,which will attack "self" antigens,occurs. 
D) Lymphocyte cell divisions produce two cell types: one group,which will attack specific antigens,and another group,which will remain inactive until exposed to the same antigen later. 
E) Millions of different lymphocyte populations are produced,each with different antigen receptors.

Question 10

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 11

Lymph differs from plasma in that

Accepted Answer

A) lymph contains more protein than plasma. 
B) lymph contains white blood cells,whereas plasma does not. 
C) plasma contains more protein than lymph. 
D) lymph contains electrolytes and plasma does not. 
E) There is no difference; lymph and plasma are the same. 
A) lymph contains more protein than plasma. 
B) lymph contains white blood cells,whereas plasma does not. 
C) plasma contains more protein than lymph. 
D) lymph contains electrolytes and plasma does not. 
E) There is no difference; lymph and plasma are the same.

Question 12

What does label B represent?

Accepted Answer

A) disulfide bond 
B) variable segment 
C) light chain 
D) heavy chain 
E) constant segments of light and heavy chains 
A) disulfide bond 
B) variable segment 
C) light chain 
D) heavy chain 
E) constant segments of light and heavy chains

Question 13

The group of lymphoid stem cells that migrates to the thymus and divides repeatedly produces which type(s)of lymphocytes?

Accepted Answer

A) B cells 
B) T cells 
C) NK cells 
D) T cells and B cells 
E) B cells and NK cells 
A) B cells 
B) T cells 
C) NK cells 
D) T cells and B cells 
E) B cells and NK cells

Question 14

Which of the following illustrates how the lymphatic system integrates with the endocrine system?

Accepted Answer

A) secretion of thymosins from the thymus gland 
B) effects of pyrogens on the hypothalamus 
C) secretion of histamine and heparin from mast cells 
D) formation of pus during inflammation 
E) presence of IgA in glandular secretions 
A) secretion of thymosins from the thymus gland 
B) effects of pyrogens on the hypothalamus 
C) secretion of histamine and heparin from mast cells 
D) formation of pus during inflammation 
E) presence of IgA in glandular secretions

Question 15

The ability of certain phagocytes to move through the wall of a capillary is called

Accepted Answer

A) inflammation. 
B) diapedesis. 
C) chemotaxis. 
D) necrosis. 
E) immunological escape. 
A) inflammation. 
B) diapedesis. 
C) chemotaxis. 
D) necrosis. 
E) immunological escape.

Question 16

Major events produced by inflammation include

Accepted Answer

A) redness,swelling,heat,and pain. 
B) redness,pus,fever,and rapid heart rate. 
C) tears,swelling,pain,and fever. 
D) swelling,redness,tissue damage,and altered pH. 
E) heat,pain,fever,and activation of the complement system. 
A) redness,swelling,heat,and pain. 
B) redness,pus,fever,and rapid heart rate. 
C) tears,swelling,pain,and fever. 
D) swelling,redness,tissue damage,and altered pH. 
E) heat,pain,fever,and activation of the complement system.

Question 17

Immunoglobulins that are the first antibody type to be produced and secreted,following initial exposure to an antigen,are the ________ antibodies.

Accepted Answer

A) IgE 
B) IgG 
C) IgM 
D) IgD 
E) IgA 
A) IgE 
B) IgG 
C) IgM 
D) IgD 
E) IgA

Question 18

What does label G represent?

Accepted Answer

A) disulfide bond 
B) variable segment 
C) light chain 
D) heavy chain 
E) constant segments of light and heavy chains 
A) disulfide bond 
B) variable segment 
C) light chain 
D) heavy chain 
E) constant segments of light and heavy chains

Question 19

A child develops symptoms of chicken pox,produces antibodies against its specific antigens,and recovers from the illness.Later as an adult,he is immune to another exposure to the chicken pox virus.This is an example of which type of immunity?

Accepted Answer

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

Question 20

The red pulp of the spleen contains large quantities of

Accepted Answer

A) lymphocytes. 
B) neutrophils. 
C) red blood cells. 
D) platelets. 
E) fibrous connective tissue. 
A) lymphocytes. 
B) neutrophils. 
C) red blood cells. 
D) platelets. 
E) fibrous connective tissue.

Why does the risk of cancer increase in AIDS patients?

The white pulp of the spleen contains large numbers of

IgD antibodies

IgG antibodies

Which of the following occurs in exocrine secretions and functions to attack pathogens before they enter body tissues?

The specificity of an antibody molecule depends on the structure of which of the following?

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

________ are clusters of lymphoid nodules located beneath the epithelial lining of the intestines.

Which of the following indicates that the immune system has achieved versatility?

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

Lymph differs from plasma in that

What does label B represent?

The group of lymphoid stem cells that migrates to the thymus and divides repeatedly produces which type(s)of lymphocytes?

Which of the following illustrates how the lymphatic system integrates with the endocrine system?

The ability of certain phagocytes to move through the wall of a capillary is called

Major events produced by inflammation include

Immunoglobulins that are the first antibody type to be produced and secreted,following initial exposure to an antigen,are the ________ antibodies.

What does label G represent?

A child develops symptoms of chicken pox,produces antibodies against its specific antigens,and recovers from the illness.Later as an adult,he is immune to another exposure to the chicken pox virus.This is an example of which type of immunity?

The red pulp of the spleen contains large quantities 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

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Exam 14: The Lymphatic System and Immunity

Why does the risk of cancer increase in AIDS patients?

The white pulp of the spleen contains large numbers of

IgD antibodies

IgG antibodies

Which of the following occurs in exocrine secretions and functions to attack pathogens before they enter body tissues?

The specificity of an antibody molecule depends on the structure of which of the following?

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

________ are clusters of lymphoid nodules located beneath the epithelial lining of the intestines.

Which of the following indicates that the immune system has achieved versatility?

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

Lymph differs from plasma in that

What does label B represent?

The group of lymphoid stem cells that migrates to the thymus and divides repeatedly produces which type(s)of lymphocytes?

Which of the following illustrates how the lymphatic system integrates with the endocrine system?

The ability of certain phagocytes to move through the wall of a capillary is called

Major events produced by inflammation include

Immunoglobulins that are the first antibody type to be produced and secreted,following initial exposure to an antigen,are the ________ antibodies.

What does label G represent?

A child develops symptoms of chicken pox,produces antibodies against its specific antigens,and recovers from the illness.Later as an adult,he is immune to another exposure to the chicken pox virus.This is an example of which type of immunity?

The red pulp of the spleen contains large quantities 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