Question 1

Macrophages

Accepted Answer

A)  are derived from basophils. 
B)  reduce the inflammatory response. 
C)  are responsible for most phagocytic activity in the late stages of an infection. 
D)  produce cytokines that aid in the destruction of antigens. 
E)  are the first at the site of infection. 
A)  are derived from basophils. 
B)  reduce the inflammatory response. 
C)  are responsible for most phagocytic activity in the late stages of an infection. 
D)  produce cytokines that aid in the destruction of antigens. 
E)  are the first at the site of infection.

Question 2

Transfusing a person with plasma proteins from a person or an animal that has been actively immunized against a specific antigen provides

Accepted Answer

A)  active immunity. 
B)  passive immunity. 
C)  no immunity. 
D)  autoimmunity. 
E)  natural immunity. 
A)  active immunity. 
B)  passive immunity. 
C)  no immunity. 
D)  autoimmunity. 
E)  natural immunity.

Question 3

Stimulating the proliferation of cytotoxic T cells to destroy cancer cells is an example of

Accepted Answer

A)  immunotherapy. 
B)  immunocompetence. 
C)  tolerance. 
D)  passive artificial acquired immunity. 
E)  passive natural acquired immunity. 
A)  immunotherapy. 
B)  immunocompetence. 
C)  tolerance. 
D)  passive artificial acquired immunity. 
E)  passive natural acquired immunity.

Question 4

Which of the following is true of adaptive immunity?

Accepted Answer

A)  It is present at birth. 
B)  Previous encounters with the foreign substance does not change the response. 
C)  The second response is faster and stronger than the first response. 
D)  Responses are general, not specific. 
A)  It is present at birth. 
B)  Previous encounters with the foreign substance does not change the response. 
C)  The second response is faster and stronger than the first response. 
D)  Responses are general, not specific.

Question 5

Match the appropriate characteristic with the type of immunity.
-B cells

Accepted Answer

A) innate immunity 
B) antibody-mediated immunity 
C) cell-mediated immunity 
D) both antibody and cell-mediated immunity 
E) innate immunity, antibody-mediated immunity and cell-mediated immunity 
A) innate immunity 
B) antibody-mediated immunity 
C) cell-mediated immunity 
D) both antibody and cell-mediated immunity 
E) innate immunity, antibody-mediated immunity and cell-mediated immunity

Question 6

Match the term or description to the type of hypersensitivity.
-allergic reaction

Accepted Answer

A) immediate hypersensitivity 
B) delayed hypersensitivity 
A) immediate hypersensitivity 
B) delayed hypersensitivity

Question 7

Match the cell of adaptive immunity with its function.
-plasma cell

Accepted Answer

A) quick and responsive to antigen, remembers previous exposure 
B) after activitaion, differentiates to become plasma cell or memory B cell 
C) produces antibodies 
D) destroys cells by lysis or by production of cytokines 
E) activates B and effector T cells 
A) quick and responsive to antigen, remembers previous exposure 
B) after activitaion, differentiates to become plasma cell or memory B cell 
C) produces antibodies 
D) destroys cells by lysis or by production of cytokines 
E) activates B and effector T cells

Question 8

Germinal centers are the sites of

Accepted Answer

A)  increased blood flow to the lymph nodes. 
B)  fluid production. 
C)  increased flow of lymph from infected tissues. 
D)  entrance of lymph into lymph nodes. 
E)  proliferation of lymphocytes in the lymph nodes. 
A)  increased blood flow to the lymph nodes. 
B)  fluid production. 
C)  increased flow of lymph from infected tissues. 
D)  entrance of lymph into lymph nodes. 
E)  proliferation of lymphocytes in the lymph nodes.

Question 9

The inflammatory response

Accepted Answer

A)  prevents the spread of an infection. 
B)  stimulates erythrocytes to leave the blood. 
C)  delays healing of damaged tissues. 
D)  depresses immunity. 
E)  is harmful and should be immediately reversed. 
A)  prevents the spread of an infection. 
B)  stimulates erythrocytes to leave the blood. 
C)  delays healing of damaged tissues. 
D)  depresses immunity. 
E)  is harmful and should be immediately reversed.

Question 10

A protein that helps to protect the body against viral infections is

Accepted Answer

A)  complement. 
B)  interferon. 
C)  lysozyme. 
D)  histamine. 
E)  kinin. 
A)  complement. 
B)  interferon. 
C)  lysozyme. 
D)  histamine. 
E)  kinin.

Question 11

As a result of opsonization,

Accepted Answer

A)  holes are produced in target cell membranes. 
B)  organ transplant rejection occurs. 
C)  antigens are more susceptible to phagocytosis. 
D)  antigens clump together. 
E)  inflammation, chemotaxis, and lysis occur. 
A)  holes are produced in target cell membranes. 
B)  organ transplant rejection occurs. 
C)  antigens are more susceptible to phagocytosis. 
D)  antigens clump together. 
E)  inflammation, chemotaxis, and lysis occur.

Question 12

Which of the following will increase your risk of contracting the HIV virus?

Accepted Answer

A)  use of a condom during intercourse 
B)  heat treatment of clotting factors prior to transfusion 
C)  use of contaminated needles 
D)  reduction in the number of sexual partners 
E)  abstinence 
A)  use of a condom during intercourse 
B)  heat treatment of clotting factors prior to transfusion 
C)  use of contaminated needles 
D)  reduction in the number of sexual partners 
E)  abstinence

Question 13

Lymph capillaries are found in the

Accepted Answer

A)  epidermis. 
B)  cornea. 
C)  bone marrow. 
D)  central nervous system. 
E)  dermis. 
A)  epidermis. 
B)  cornea. 
C)  bone marrow. 
D)  central nervous system. 
E)  dermis.

Question 14

Different T-cell receptors can respond to different antigens because of different

Accepted Answer

A)  variable regions in the structure of the receptors. 
B)  epitopes in the receptor's structure. 
C)  selection processes. 
D)  complement binding sites in the receptors. 
E)  antigenic determinants. 
A)  variable regions in the structure of the receptors. 
B)  epitopes in the receptor's structure. 
C)  selection processes. 
D)  complement binding sites in the receptors. 
E)  antigenic determinants.

Question 15

In systemic inflammation, pyrogens

Accepted Answer

A)  decrease phagocytosis. 
B)  decrease vasodilation. 
C)  increase neutrophil production. 
D)  stimulate fever production. 
E)  are chemotaxic factors. 
A)  decrease phagocytosis. 
B)  decrease vasodilation. 
C)  increase neutrophil production. 
D)  stimulate fever production. 
E)  are chemotaxic factors.

Question 16

Complement proteins

Accepted Answer

A)  can form holes in the plasma membrane of target cells. 
B)  are on the surface of macrophages. 
C)  are hormones found in the blood. 
D)  may cause the release of interferon. 
E)  do not attract neutrophils, monocytes, macrophages, or eosinophils. 
A)  can form holes in the plasma membrane of target cells. 
B)  are on the surface of macrophages. 
C)  are hormones found in the blood. 
D)  may cause the release of interferon. 
E)  do not attract neutrophils, monocytes, macrophages, or eosinophils.

Question 17

Interferon

Accepted Answer

A)  directly attacks viruses. 
B)  protects cells that have been invaded by viruses. 
C)  increases vascular permeability. 
D)  is not produced by most cells. 
E)  is a protein that interferes with virus production and infection. 
A)  directly attacks viruses. 
B)  protects cells that have been invaded by viruses. 
C)  increases vascular permeability. 
D)  is not produced by most cells. 
E)  is a protein that interferes with virus production and infection.

Question 18

-This diagram illustrates the effects of antibodies. What effect does "A" represent?

Accepted Answer

A)  activation of complement cascade 
B)  facilitation of phagocytosis 
C)  initiates release of inflammatory chemicals 
D)  binds antigens together 
E)  inactivation of antigens 
A)  activation of complement cascade 
B)  facilitation of phagocytosis 
C)  initiates release of inflammatory chemicals 
D)  binds antigens together 
E)  inactivation of antigens

Question 19

Natural Killer (NK) cells

Accepted Answer

A)  a type of macrophage. 
B)  are a type of plasma cell. 
C)  secrete enzymes that kill tumor or virus-infected cells. 
D)  are derived from B cells. 
E)  promote inflammation. 
A)  a type of macrophage. 
B)  are a type of plasma cell. 
C)  secrete enzymes that kill tumor or virus-infected cells. 
D)  are derived from B cells. 
E)  promote inflammation.

Question 20

The effects of cell-mediated immunity are the result of activities of

Accepted Answer

A)  B cells. 
B)  cytotoxic T cells. 
C)  macrophages. 
D)  dendritic cells. 
E)  helper T cells. 
A)  B cells. 
B)  cytotoxic T cells. 
C)  macrophages. 
D)  dendritic cells. 
E)  helper T cells.

Exam 22: Lymphatic System and Immunity

Macrophages

Transfusing a person with plasma proteins from a person or an animal that has been actively immunized against a specific antigen provides

Stimulating the proliferation of cytotoxic T cells to destroy cancer cells is an example of

Which of the following is true of adaptive immunity?

Match the appropriate characteristic with the type of immunity. -B cells

Match the term or description to the type of hypersensitivity. -allergic reaction

Match the cell of adaptive immunity with its function. -plasma cell

Germinal centers are the sites of

The inflammatory response

A protein that helps to protect the body against viral infections is

As a result of opsonization,

Which of the following will increase your risk of contracting the HIV virus?

Lymph capillaries are found in the

Different T-cell receptors can respond to different antigens because of different

In systemic inflammation, pyrogens

Complement proteins

Interferon

-This diagram illustrates the effects of antibodies. What effect does "A" represent?

Natural Killer (NK) cells

The effects of cell-mediated immunity are the result of activities of

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joints and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

Spinal Cord and Spinal Nerves

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: the Heart

Cardiovascular System: Blood Vessels and Circulation

Respiratory System

Digestive System

Nutrition, Metabolism, and Temperature Regulation

Urinary System

Water, Electrolytes, and Acidbase Balance

Reproductive System

Development, Growth, Aging, and Genetics

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