Question 1

Which of the following is something antibodies do not do?

Accepted Answer

A)   Link antigen molecules together
B)   Neutralize antigens by binding to regions of an antigen that can be pathogenic
C)   Bind to enemy cells,thus changing their shape so their complement-binding sites are exposed
D)   Differentiate into memory antibodies,which upon reexposure to the same pathogen would mount a quicker attack
E)   Bind antigen molecules of two or more enemy cells and stick them togetherF) B) and E)
G) B) and D)

Question 2

Which of these cellular agents does not participate in inflammation?

Accepted Answer

A)   Cytotoxic T cells
B)   Macrophage
C)   Eosinophils
D)   Neutrophils
E)   Endothelial cellsF) A) and E)
G) B) and D)

Question 3

One group of proteolytic enzymes secreted by natural killer (NK) cells is __________.

Accepted Answer

A)   selectins
B)   cytokines
C)   granzymes
D)   perforins
E)   interferonsF) A) and E)
G) None of the above

Question 4

One characteristic of the immune response is specificity.This means that __________.

Accepted Answer

A)   immunity starts in defined organs in the body
B)   immunity starts in specialized tissues in the body
C)   immunity is carried on by a specific group of cells of the immune system
D)   immunity is directed against a particular pathogen
E)   immunity is carried on by a specific group of tissues of the immune systemF) A) and C)
G) C) and E)

Question 5

A pyrogen is a substance that causes __________.

Accepted Answer

A)   inflammation
B)   opsonization
C)   complement fixation
D)   cytolysis
E)   feverF) A) and B)
G) C) and D)

Question 6

Antigen-presenting cells usually display processed antigens to T cells in the _____________.

Accepted Answer

A)   blood plasma
B)   lymph nodes
C)   thymus
D)   red bone marrow
E)   liverF) A) and C)
G) C) and D)

Question 7

Any disease causing agent is a pathogen.

Accepted Answer

A) True 
 B)False

Question 8

Bronchoconstriction,dyspnea,and widespread vasodilation are all characteristics of __________.

Accepted Answer

A)   local anaphylaxis
B)   anaphylactic shock
C)   autoimmune disease
D)   an HIV infection
E)   AIDSF) B) and E)
G) A) and B)

Question 9

The human immunodeficiency virus (HIV) targets mainly __________.

Accepted Answer

A)   helper T cells
B)   B cells
C)   plasma cells
D)   cytotoxic T cells
E)   natural killer cellsF) C) and D)
G) All of the above

Question 10

The __________ tonsils are the largest,and their surgical removal (tonsillectomy) used to be one of the most common surgical procedures performed in children.

Accepted Answer

A)   adenoid
B)   lingual
C)   palatine
D)   pharyngeal
E)   nasopharyngealF) A) and E)
G) C) and D)

Question 11

Helper T cells respond only to epitopes attached to MHC proteins.

Accepted Answer

A) True 
 B)False

Question 12

___________ employ a "respiratory burst" to produce bactericidal chemicals such as hydrogen peroxide (H2O2) and hypochlorite (HClO) .

Accepted Answer

A)   Neutrophils
B)   Basophils
C)   Cytotoxic T cells
D)   Natural killer cells
E)   Suppressor T cellsF) B) and E)
G) A) and E)

Question 13

T cells achieve immunocompetence in the __________.

Accepted Answer

A)   bone marrow
B)   bloodstream
C)   spleen
D)   thymus
E)   liverF) A) and E)
G) A) and C)

Question 14

Helper T (TH) cells recognize antigens when they are bound to a(n) __________.

Accepted Answer

A)   hapten
B)   immunoglobulin
C)   natural killer cell
D)   major histocompatibility complex (MH
C)  protein
E)   basophilF) A) and D)
G) A) and B)

Question 15

Complement C3b protein coats bacteria and stimulates phagocytosis by __________ during a process called __________.

Accepted Answer

A)   lymphocytes and monocytes;opsonization
B)   neutrophils and macrophages;cytolysis
C)   mast cells and basophils;opsonization
D)   mast cells and basophils;cytolysis
E)   neutrophils and macrophages;opsonizationF) A) and B)
G) C) and D)

Question 16

Cellular (cell-mediated) immunity is effective against __________.

Accepted Answer

A)   allergens
B)   venoms
C)   cancer cells
D)   extracellular viruses
E)   toxinsF) B) and D)
G) B) and C)

Question 17

Which class of immunoglobulin provides passive immunity to the newborn?

Accepted Answer

A)   IgD
B)   IgE
C)   IgM
D)   IgA
E)   IgGF) A) and D)
G) B) and C)

Question 18

Pyrogens act by increasing the set point for body temperature in the thalamus.

Accepted Answer

A) True 
 B)False

Question 19

Beta cell destruction that causes type 1 diabetes mellitus is a(n) __________.

Accepted Answer

A)   anaphylactic hypersensitivity
B)   type IV (delayed) hypersensitivity
C)   type III (immune complex) hypersensitivity
D)   type II (antibody-dependent cytotoxic) hypersensitivity
E)   type I (acute) hypersensitivityF) A) and C)
G) B) and C)

Question 20

The first of a series of neutrophil behaviors in inflammation is __________.

Accepted Answer

A)   chemotaxis
B)   margination
C)   diapedesis
D)   phagocytosis
E)   opsonizationF) A) and C)
G) All of the above

Exam 21: The Lymphatic and Immune Systems

___________ employ a "respiratory burst" to produce bactericidal chemicals such as hydrogen peroxide (H2O2) and hypochlorite (HClO) .

Correct AnswerverifiedShow Answer

One group of proteolytic enzymes secreted by natural killer (NK) cells is __________.

Correct AnswerverifiedShow Answer

Which of the following is something antibodies do not do?

Correct AnswerverifiedShow Answer

Which of these cellular agents does not participate in inflammation?

Correct AnswerverifiedShow Answer

Antigen-presenting cells usually display processed antigens to T cells in the _____________.

Correct AnswerverifiedShow Answer

Bronchoconstriction,dyspnea,and widespread vasodilation are all characteristics of __________.

Correct AnswerverifiedShow Answer

Cellular (cell-mediated) immunity is effective against __________.

Correct AnswerverifiedShow Answer

Helper T cells respond only to epitopes attached to MHC proteins.

Correct AnswerverifiedShow Answer

Pyrogens act by increasing the set point for body temperature in the thalamus.

Correct AnswerverifiedShow Answer

Helper T (TH) cells recognize antigens when they are bound to a(n) __________.

Correct AnswerverifiedShow Answer

Beta cell destruction that causes type 1 diabetes mellitus is a(n) __________.

Correct AnswerverifiedShow Answer

The human immunodeficiency virus (HIV) targets mainly __________.

Correct AnswerverifiedShow Answer

Complement C3b protein coats bacteria and stimulates phagocytosis by __________ during a process called __________.

Correct AnswerverifiedShow Answer

Which class of immunoglobulin provides passive immunity to the newborn?

Correct AnswerverifiedShow Answer

A pyrogen is a substance that causes __________.

Correct AnswerverifiedShow Answer

Any disease causing agent is a pathogen.

Correct AnswerverifiedShow Answer

T cells achieve immunocompetence in the __________.

Correct AnswerverifiedShow Answer

The __________ tonsils are the largest,and their surgical removal (tonsillectomy) used to be one of the most common surgical procedures performed in children.

Correct AnswerverifiedShow Answer

The first of a series of neutrophil behaviors in inflammation is __________.

Correct AnswerverifiedShow Answer

One characteristic of the immune response is specificity.This means that __________.

Correct AnswerverifiedShow Answer

___________ employ a "respiratory burst" to produce bactericidal chemicals such as hydrogen peroxide (H₂O₂) and hypochlorite (HClO) .

Correct Answer
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Helper T (T_H) cells recognize antigens when they are bound to a(n) __________.

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Complement C3b protein coats bacteria and stimulates phagocytosis by during a process called .

Correct Answer
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