Question 1

The serum used for emergency treatment of snakebites stimulates __________ immunity.

Accepted Answer

A)  artificial passive
B)  artificial active
C)  natural passive
D)  natural active
E)  artificial specificF) None of the above
G) D) and E) A

Question 2

Which of the following is not an example of lymphatic tissue?

Accepted Answer

A)  Peyer patches
B)  MALT
C)  Lymphatic nodules
D)  Macrophages
E)  Diffuse lymphatic tissueF) All of the above
G) C) and E)

Question 3

The majority of T cells of the naive lymphocyte pool wait for the encounter with foreign antigens in the __________.

Accepted Answer

A)  plasma
B)  thymus
C)  lymphatic tissues
D)  lymph
E)  blood plasmaF) A) and E)
G) A) and B)

Question 4

__________ are antimicrobial proteins.

Accepted Answer

A)  Bradykinins
B)  Interferons
C)  Cytokines
D)  Kinins
E)  ProstaglandinsF) A) and D)
G) B) and D)

Question 5

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) A) and D)
G) A) and C)

Question 6

Lymphatic vessels recover about __________ of the fluid filtered by capillaries.

Accepted Answer

A)  5%
B)  15%
C)  25%
D)  50%
E)  85%F) A) and D)
G) A) and C)

Question 7

Which of the following does(do) not belong to the second line of defense?

Accepted Answer

A)  The macrophage system
B)  Natural killer cells
C)  Inflammation
D)  The gastric juices
E)  Interferon and the complement systemF) A) and B)
G) A) and C)

Question 8

Autoimmune diseases are disorders in which the immune system fails to distinguish __________ from foreign ones.

Accepted Answer

A)  self-immunoglobulins
B)  self-antibodies
C)  self-antigens
D)  self-interleukins
E)  self-complement proteinsF) B) and D)
G) A) and E)

Question 9

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) C) and D)
G) A) and D)

Question 10

Lymph originates in blood capillaries that pick up tissue fluid.

Accepted Answer

A) True 
 B)False

Question 11

Before B cells secrete antibodies,they differentiate into _________.

Accepted Answer

A)  stem cells
B)  antigen-presenting cells
C)  plasma cells
D)  T cells
E)  macrophagesF) None of the above
G) A) and E)

Question 12

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) B) and D)
G) C) and E) B

Question 13

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) B) and C)
G) D) and E)

Question 14

Which class of immunoglobulin provides passive immunity to the newborn?

Accepted Answer

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

Question 15

A(n) __________ is the region of the molecule that is recognized by antibodies.

Accepted Answer

A)  epitope
B)  antigen
C)  hapten
D)  major histocompatibility complex (MH
C)  
E)  antibody monomerF) A) and E)
G) A) and B)

Question 16

__________ lacks the capacity to remember a pathogen or react differently to it in the future,whereas __________ utilizes memory cells to adapt to a given pathogen and ward it off more easily in the future.

Accepted Answer

A)  Nonspecific resistance; cytotoxicity
B)  Adaptive immunity; nonspecific resistance
C)  A natural killer cell; a cytoxic T cell
D)  Nonspecific resistance; adaptive immunity
E)  Adaptive immunity; specific immunityF) B) and E)
G) A) and B)

Question 17

Most common allergies are the result of __________.

Accepted Answer

A)  autoimmune diseases
B)  type IV (delayed)  hypersensitivity
C)  type III (immune complex)  hypersensitivity
D)  type II (antibody-dependent cytotoxic)  hypersensitivity
E)  type I (acute)  hypersensitivityF) None of the above
G) B) and E) E

Question 18

The __________ show(s) a remarkable degree of degeneration (involution) with age.

Accepted Answer

A)  lymph nodes
B)  thymus
C)  spleen
D)  pharyngeal tonsils
E)  appendixF) A) and E)
G) A) and B)

Question 19

Interleukins are chemical signals by which immune cells communicate with each other.

Accepted Answer

A) True 
 B)False

Question 20

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

Accepted Answer

A) True 
 B)False

Exam 21: The Lymphatic and Immune Systems

The serum used for emergency treatment of snakebites stimulates __________ immunity.

Correct AnswerverifiedA

Which of the following is not an example of lymphatic tissue?

Correct AnswerverifiedShow Answer

The majority of T cells of the naive lymphocyte pool wait for the encounter with foreign antigens in the __________.

Correct AnswerverifiedShow Answer

__________ are antimicrobial proteins.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Lymphatic vessels recover about __________ of the fluid filtered by capillaries.

Correct AnswerverifiedShow Answer

Which of the following does(do) not belong to the second line of defense?

Correct AnswerverifiedShow Answer

Autoimmune diseases are disorders in which the immune system fails to distinguish __________ from foreign ones.

Correct AnswerverifiedShow Answer

Which of these cellular agents does not participate in inflammation?

Correct AnswerverifiedShow Answer

Lymph originates in blood capillaries that pick up tissue fluid.

Correct AnswerverifiedShow Answer

Before B cells secrete antibodies,they differentiate into _________.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedB

The human immunodeficiency virus (HIV) targets mainly __________.

Correct AnswerverifiedShow Answer

Which class of immunoglobulin provides passive immunity to the newborn?

Correct AnswerverifiedShow Answer

A(n) __________ is the region of the molecule that is recognized by antibodies.

Correct AnswerverifiedShow Answer

__________ lacks the capacity to remember a pathogen or react differently to it in the future,whereas __________ utilizes memory cells to adapt to a given pathogen and ward it off more easily in the future.

Correct AnswerverifiedShow Answer

Most common allergies are the result of __________.

Correct AnswerverifiedE

The __________ show(s) a remarkable degree of degeneration (involution) with age.

Correct AnswerverifiedShow Answer

Interleukins are chemical signals by which immune cells communicate with each other.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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A

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B

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lacks the capacity to remember a pathogen or react differently to it in the future,whereas utilizes memory cells to adapt to a given pathogen and ward it off more easily in the future.

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E

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