Question 1

The cell that dominates the deep cortical region of a lymph node is the ________ cell.

Accepted Answer

A) B 
B) T helper 
C) plasma 
D) cytotoxic T 
E) NK 
A) B 
B) T helper 
C) plasma 
D) cytotoxic T 
E) NK

Question 2

The process by which the surface of a microorganism is covered with antibodies and complement,rendering it more likely to be phagocytized,is called

Accepted Answer

A) neutralization. 
B) opsonization. 
C) agglutination. 
D) antigen presentation. 
E) sensitization. 
A) neutralization. 
B) opsonization. 
C) agglutination. 
D) antigen presentation. 
E) sensitization.

Question 3

Describe red pulp and white pulp found in the spleen.

Accepted Answer

A) Red pulp contains large numbers of red blood cells; white pulp resembles lymphoid nodules and contains lymphocytes. 
B) Red pulp resembles lymphoid nodules and contains lymphocytes; white pulp contains large numbers of red blood cells. 
C) Red pulp contains large amounts of red bone marrow; white pulp contains large amounts of yellow bone marrow. 
D) Red pulp is where red blood cells are stored; white pulp is the primary storage site for triglycerides and other lipids. 
E) Red pulp is where hemoglobin is produced and stored in the body; white pulp is where T and B lymphocytes are produced and stored in the body. 
A) Red pulp contains large numbers of red blood cells; white pulp resembles lymphoid nodules and contains lymphocytes. 
B) Red pulp resembles lymphoid nodules and contains lymphocytes; white pulp contains large numbers of red blood cells. 
C) Red pulp contains large amounts of red bone marrow; white pulp contains large amounts of yellow bone marrow. 
D) Red pulp is where red blood cells are stored; white pulp is the primary storage site for triglycerides and other lipids. 
E) Red pulp is where hemoglobin is produced and stored in the body; white pulp is where T and B lymphocytes are produced and stored in the body.

Question 4

What is the function of overlapping endothelial cells in lymphatic capillaries?

Accepted Answer

A) Overlapping endothelial cells strengthen the walls of the lymphatic capillaries so they are not distorted in tissues. 
B) Overlapping endothelial cells act as one-way valves that permit the entry of fluids and solutes but prevent their return to the intercellular spaces. 
C) Overlapping endothelial cells act as one-way valves that permit the exit of fluids and solutes but prevent their entry into the capillary. 
D) Overlapping endothelial cells allow large proteins to enter the lymphatic capillaries to be transported to the venous system. 
E) Overlapping endothelial cells produce tight junctions that prevent the movement of lymph into or out of the capillary. 
A) Overlapping endothelial cells strengthen the walls of the lymphatic capillaries so they are not distorted in tissues. 
B) Overlapping endothelial cells act as one-way valves that permit the entry of fluids and solutes but prevent their return to the intercellular spaces. 
C) Overlapping endothelial cells act as one-way valves that permit the exit of fluids and solutes but prevent their entry into the capillary. 
D) Overlapping endothelial cells allow large proteins to enter the lymphatic capillaries to be transported to the venous system. 
E) Overlapping endothelial cells produce tight junctions that prevent the movement of lymph into or out of the capillary.

Question 5

Which two cells coordinate adaptive immunity?

Accepted Answer

A) T cells and B cells 
B) B cells and natural killer cells 
C) T cells and natural killer cells 
D) acute lymphocytes and chronic lymphocytes 
E) cytotoxic T cells and helper T cells 
A) T cells and B cells 
B) B cells and natural killer cells 
C) T cells and natural killer cells 
D) acute lymphocytes and chronic lymphocytes 
E) cytotoxic T cells and helper T cells

Question 6

Figure 20-1
-Identify the area where dividing lymphocytes are found.

Accepted Answer

A) 2 
B) 4 
C) 5 
D) 1 
E) 3 
A) 2 
B) 4 
C) 5 
D) 1 
E) 3

Question 7

The merging of ________ forms the right lymphatic duct.

Accepted Answer

A) the right jugular,right subclavian,and right bronchomediastinal trunks 
B) the left jugular,right subclavian,and right bronchomediastinal trunks 
C) two great vessels 
D) the thoracic and mediastinal ducts 
E) superior and inferior lymphatic ducts 
A) the right jugular,right subclavian,and right bronchomediastinal trunks 
B) the left jugular,right subclavian,and right bronchomediastinal trunks 
C) two great vessels 
D) the thoracic and mediastinal ducts 
E) superior and inferior lymphatic ducts

Question 8

Describe immunodeficiency diseases.

Accepted Answer

A) Immunodeficiency diseases are conditions that result from the production of antibodies directed against normal antigens in the body. 
B) Immunodeficiency diseases are an inadequate immune responses due to problems with embryonic development of lymphoid organs and tissues,a viral infection,or treatment with or exposure to immunosuppressive agents. 
C) Immunodeficiency diseases are an immune response to a circulating antigen that stimulates mast cells throughout the body to release chemicals that prompt the inflammatory response. 
D) Immunodeficiency diseases are excessive immune reactions of antibodies to a virus-infected cell. 
E) Immunodeficiency diseases are excessive immune responses to an allergen,which is an antigen that triggers an allergic reaction. 
A) Immunodeficiency diseases are conditions that result from the production of antibodies directed against normal antigens in the body. 
B) Immunodeficiency diseases are an inadequate immune responses due to problems with embryonic development of lymphoid organs and tissues,a viral infection,or treatment with or exposure to immunosuppressive agents. 
C) Immunodeficiency diseases are an immune response to a circulating antigen that stimulates mast cells throughout the body to release chemicals that prompt the inflammatory response. 
D) Immunodeficiency diseases are excessive immune reactions of antibodies to a virus-infected cell. 
E) Immunodeficiency diseases are excessive immune responses to an allergen,which is an antigen that triggers an allergic reaction.

Question 9

Immunoglobulins that are primarily found in glandular secretions such as mucus,saliva,and tears are

Accepted Answer

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

Question 10

What is perforin?

Accepted Answer

A) a type of antibody synthesized by B cells 
B) a protein produced by NK cells 
C) a type of interferon 
D) a toxin expressed by some pathogens that is capable of damaging healthy cells 
E) a destructive enzyme secreted by sebaceous glands 
A) a type of antibody synthesized by B cells 
B) a protein produced by NK cells 
C) a type of interferon 
D) a toxin expressed by some pathogens that is capable of damaging healthy cells 
E) a destructive enzyme secreted by sebaceous glands

Question 11

Which cells can be activated by direct contact with virus-infected cells?

Accepted Answer

A) helper T and helper B cells 
B) memory T and memory B cells 
C) cytotoxic T and memory B cells 
D) cytotoxic T and natural killer cells 
E) helper T and plasma cells 
A) helper T and helper B cells 
B) memory T and memory B cells 
C) cytotoxic T and memory B cells 
D) cytotoxic T and natural killer cells 
E) helper T and plasma cells

Question 12

Lymphatic vessels are located in almost all portions of the body except the

Accepted Answer

A) CNS. 
B) periphery. 
C) renal arteries. 
D) groin. 
E) throat. 
A) CNS. 
B) periphery. 
C) renal arteries. 
D) groin. 
E) throat.

Question 13

The lobules of the thymus are divided by partitions called

Accepted Answer

A) fissures. 
B) septa. 
C) hilum. 
D) trabeculae. 
E) sutures. 
A) fissures. 
B) septa. 
C) hilum. 
D) trabeculae. 
E) sutures.

Question 14

Characteristics of specific defenses include all of the following except

Accepted Answer

A) versatility. 
B) tolerance. 
C) memory. 
D) specificity. 
E) intrinsic. 
A) versatility. 
B) tolerance. 
C) memory. 
D) specificity. 
E) intrinsic.

Question 15

Immunoglobulins that attach to and sensitize mast cells and basophils are

Accepted Answer

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

Question 16

Figure 20-1
-Identify the dominant cell type in the area labeled "2."

Accepted Answer

A) monocytes 
B) T lymphocytes 
C) B cells 
D) NK cells 
E) erythrocytes 
A) monocytes 
B) T lymphocytes 
C) B cells 
D) NK cells 
E) erythrocytes

Question 17

The lymphocytes are most important in

Accepted Answer

A) helping maintain normal blood volume. 
B) transporting gases to and away from lymph nodes. 
C) eliminating variations in the composition of interstitial fluid. 
D) transporting lipids from the digestive tract. 
E) fighting infection. 
A) helping maintain normal blood volume. 
B) transporting gases to and away from lymph nodes. 
C) eliminating variations in the composition of interstitial fluid. 
D) transporting lipids from the digestive tract. 
E) fighting infection.

Question 18

The site on an antibody that is specifically tailored to fit a specific antigen is called the

Accepted Answer

A) constant segment. 
B) variable segment. 
C) hapten. 
D) heavy chain. 
E) bond. 
A) constant segment. 
B) variable segment. 
C) hapten. 
D) heavy chain. 
E) bond.

Question 19

Lymphoid organs differ from lymphoid tissues in what way?

Accepted Answer

A) They contain T lymphocytes and lymphoid tissues do not. 
B) They are found in the digestive tract and lymphoid tissues are found in the thorax. 
C) They are surrounded by a fibrous capsule and lymphoid tissues are not. 
D) They cannot produce antibodies,whereas lymphoid tissues can. 
E) None of the answers is correct. 
A) They contain T lymphocytes and lymphoid tissues do not. 
B) They are found in the digestive tract and lymphoid tissues are found in the thorax. 
C) They are surrounded by a fibrous capsule and lymphoid tissues are not. 
D) They cannot produce antibodies,whereas lymphoid tissues can. 
E) None of the answers is correct.

Question 20

An inflammatory response is triggered when

Accepted Answer

A) red blood cells release pyrogens. 
B) T cells release interferon. 
C) mast cells release histamine and heparin. 
D) neutrophils phagocytize bacteria. 
E) blood flow to an area increases. 
A) red blood cells release pyrogens. 
B) T cells release interferon. 
C) mast cells release histamine and heparin. 
D) neutrophils phagocytize bacteria. 
E) blood flow to an area increases.

Exam 20: The Lymphatic System and Immunity

The cell that dominates the deep cortical region of a lymph node is the ________ cell.

The process by which the surface of a microorganism is covered with antibodies and complement,rendering it more likely to be phagocytized,is called

Describe red pulp and white pulp found in the spleen.

What is the function of overlapping endothelial cells in lymphatic capillaries?

Which two cells coordinate adaptive immunity?

Figure 20-1 -Identify the area where dividing lymphocytes are found.

The merging of ________ forms the right lymphatic duct.

Describe immunodeficiency diseases.

Immunoglobulins that are primarily found in glandular secretions such as mucus,saliva,and tears are

What is perforin?

Which cells can be activated by direct contact with virus-infected cells?

Lymphatic vessels are located in almost all portions of the body except the

The lobules of the thymus are divided by partitions called

Characteristics of specific defenses include all of the following except

Immunoglobulins that attach to and sensitize mast cells and basophils are

Figure 20-1 -Identify the dominant cell type in the area labeled "2."

The lymphocytes are most important in

The site on an antibody that is specifically tailored to fit a specific antigen is called the

Lymphoid organs differ from lymphoid tissues in what way?

An inflammatory response is triggered when

An Introduction to Anatomy and Physiology

Chemical Level of Organization

Cellular Level of Organization

Tissue Level of Organization

The Integumentary System

Bones and Bone Structure

The Skeleton

Joints

Skeletal Muscle Tissue

The Muscular System

Nervous Tissue

The Spinal Cord, spinal Nerves, and Spinal Reflexes

The Brain, cranial Nerves, and Sensory and Motor Pathways

The Autonomic Nervous System

The Special Senses

The Endocrine System

Blood

The Heart and Cardiovascular Function

Blood Vessels and Circulation

The Respiratory System

The Digestive System

Metabolism, nutrition, and Energetics

The Urinary System

Fluid,electrolyte,and Acid-Base Balance

The Reproductive System

Development and Inheritance

Filters