Question 1

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.

Question 2

Immunoglobulins that are found on the surface of B cells and may activate antibody production are

Accepted Answer

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

Question 3

During a primary humoral response to antigens, all of the following occur, except

Accepted Answer

A)  the antigen must activate appropriate B cells. 
B)  B cells may take time to develop into plasma cells and memory cells. 
C)  antibody levels do not peak until 1 to 2 weeks after the initial exposure. 
D)  neutrophils invade the surrounding areas, releasing chemotactic substances. 
E)  the first immunoglobulins to appear in circulation are of the IgM type. 
A)  the antigen must activate appropriate B cells. 
B)  B cells may take time to develop into plasma cells and memory cells. 
C)  antibody levels do not peak until 1 to 2 weeks after the initial exposure. 
D)  neutrophils invade the surrounding areas, releasing chemotactic substances. 
E)  the first immunoglobulins to appear in circulation are of the IgM type.

Question 4

The process by which antibodies bind to the antigen on the surface of cells, forming large immune complexes, is called ________.

Accepted Answer

The answer of The process by which antibodies bind to...

Question 5

Plasma contains ________ special complement proteins that form the complement system.

Accepted Answer

A)  3 
B)  5 
C)  7 
D)  9 
E)  11 
A)  3 
B)  5 
C)  7 
D)  9 
E)  11

Question 6

Each of the following is a physical barrier to infection, except

Accepted Answer

A)  body hair. 
B)  epithelium. 
C)  secretions. 
D)  complement. 
E)  basement membranes. 
A)  body hair. 
B)  epithelium. 
C)  secretions. 
D)  complement. 
E)  basement membranes.

Question 7

Stem cells that will form T cells develop in the

Accepted Answer

A)  bone marrow. 
B)  liver. 
C)  spleen. 
D)  thymus. 
E)  kidneys. 
A)  bone marrow. 
B)  liver. 
C)  spleen. 
D)  thymus. 
E)  kidneys.

Question 8

Which of the following statements about MHC proteins is not True ?

Accepted Answer

A)  bind complement 
B)  allow the body to differentiate its own cells from foreign cells 
C)  function in antigen presentation 
D)  fall into two major classes 
E)  are found on all nucleated cells 
A)  bind complement 
B)  allow the body to differentiate its own cells from foreign cells 
C)  function in antigen presentation 
D)  fall into two major classes 
E)  are found on all nucleated cells

Question 9

Histamine increases blood flow and vascular permeability. This would account for all of the following changes that occur during inflammation, except

Accepted Answer

A)  redness of the inflamed tissue. 
B)  chemotaxis of phagocytes. 
C)  heat of the inflamed tissue. 
D)  movement of defense proteins and cells into the interstitial space. 
E)  swelling of the inflamed tissue. 
A)  redness of the inflamed tissue. 
B)  chemotaxis of phagocytes. 
C)  heat of the inflamed tissue. 
D)  movement of defense proteins and cells into the interstitial space. 
E)  swelling of the inflamed tissue.

Question 10

Figure 19-1 The Structure of a Lymph Node
Use Figure 19-1 to answer the following questions:
-Identify the structure labeled "6."

Accepted Answer

A)  medulla 
B)  capsule 
C)  cortex 
D)  trabeculae 
E)  cortical sinus 
A)  medulla 
B)  capsule 
C)  cortex 
D)  trabeculae 
E)  cortical sinus

Question 11

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 12

The primary function of the lymphoid system is

Accepted Answer

A)  circulation of nutrients. 
B)  the transport of hormones. 
C)  defending the body against both environmental hazards and internal threats. 
D)  the production and distribution of plasma proteins. 
E)  both the transport of hormones and the production and distribution of plasma proteins. 
A)  circulation of nutrients. 
B)  the transport of hormones. 
C)  defending the body against both environmental hazards and internal threats. 
D)  the production and distribution of plasma proteins. 
E)  both the transport of hormones and the production and distribution of plasma proteins.

Question 13

The cells responsible for the production of circulating immunoglobulins are ________ cells.

Accepted Answer

A)  NK 
B)  plasma 
C)  helper T 
D)  thymus 
E)  liver 
A)  NK 
B)  plasma 
C)  helper T 
D)  thymus 
E)  liver

Question 14

A measure of antibody level in the plasma is the ________.

Accepted Answer

The answer of A measure of antibody level in the...

Question 15

The binding of an antigen to an antibody can result in

Accepted Answer

A)  neutralization of the antigen. 
B)  agglutination or precipitation. 
C)  complement activation and opsonization. 
D)  all of the above 
E)  none of the above 
A)  neutralization of the antigen. 
B)  agglutination or precipitation. 
C)  complement activation and opsonization. 
D)  all of the above 
E)  none of the above

Question 16

The release of endogenous pyrogen (or interleukin-1) by active macrophages would

Accepted Answer

A)  cause inflammation. 
B)  produce a fever. 
C)  activate complement. 
D)  opsonize pathogens. 
E)  activate antibodies. 
A)  cause inflammation. 
B)  produce a fever. 
C)  activate complement. 
D)  opsonize pathogens. 
E)  activate antibodies.

Question 17

A crime scene investigator found that a biological fluid sample contains a large amount of IgA-type antibody. This fluid is probably

Accepted Answer

A)  blood. 
B)  lymph. 
C)  serum. 
D)  tears. 
E)  interstitial. 
A)  blood. 
B)  lymph. 
C)  serum. 
D)  tears. 
E)  interstitial.

Question 18

B cells are primarily activated by the activities of

Accepted Answer

A)  antigens. 
B)  antibodies. 
C)  helper T cells. 
D)  macrophages. 
E)  plasma cells. 
A)  antigens. 
B)  antibodies. 
C)  helper T cells. 
D)  macrophages. 
E)  plasma cells.

Question 19

Newborns gain their immunity initially from

Accepted Answer

A)  early immunizations. 
B)  contact with viruses and bacteria. 
C)  antibodies passed across the placenta from the mother. 
D)  contact with siblings. 
E)  breast milk. 
A)  early immunizations. 
B)  contact with viruses and bacteria. 
C)  antibodies passed across the placenta from the mother. 
D)  contact with siblings. 
E)  breast milk.

Question 20

________ cells enable the immune system to respond quickly and robustly if the same antigen is encountered a second time.

Accepted Answer

The answer of ________ cells enable the immune system to...

Exam 19: The Lymphatic System and Immunity

An inflammatory response is triggered when

Immunoglobulins that are found on the surface of B cells and may activate antibody production are

During a primary humoral response to antigens, all of the following occur, except

The process by which antibodies bind to the antigen on the surface of cells, forming large immune complexes, is called ________.

Plasma contains ________ special complement proteins that form the complement system.

Each of the following is a physical barrier to infection, except

Stem cells that will form T cells develop in the

Which of the following statements about MHC proteins is not True ?

Histamine increases blood flow and vascular permeability. This would account for all of the following changes that occur during inflammation, except

Figure 19-1 The Structure of a Lymph Node Use Figure 19-1 to answer the following questions: -Identify the structure labeled "6."

The lymphocytes are most important in

The primary function of the lymphoid system is

The cells responsible for the production of circulating immunoglobulins are ________ cells.

A measure of antibody level in the plasma is the ________.

The binding of an antigen to an antibody can result in

The release of endogenous pyrogen (or interleukin-1) by active macrophages would

A crime scene investigator found that a biological fluid sample contains a large amount of IgA-type antibody. This fluid is probably

B cells are primarily activated by the activities of

Newborns gain their immunity initially from

________ cells enable the immune system to respond quickly and robustly if the same antigen is encountered a second time.

An Introduction to Anatomy and Physiology

Chemical Level of Organization

Cellular Level of Organization

Tissue Level of Organization

The Integumentary System

Osseous Tissue and Bone Structure

The Skeleton

Articulations

Skeletal Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, Spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

The Autonomic Nervous System

The Special Senses

The Endocrine System

Blood and Blood Vessels

The Heart and Cardiovascular Function

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

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