Question 1

Positive selection of lymphocytes refers to the

Accepted Answer

A)  processing of an antigen by a macrophage. 
B)  proliferation of natural killer cells. 
C)  production of antigen-specific antibodies. 
D)  survival of pre-B and pre-T cells that are capable of an immune response. 
E)  replication of memory cells. 
A)  processing of an antigen by a macrophage. 
B)  proliferation of natural killer cells. 
C)  production of antigen-specific antibodies. 
D)  survival of pre-B and pre-T cells that are capable of an immune response. 
E)  replication of memory cells.

Question 2

Which is the proper order of events in cell-mediated immunity? (1) cloning of cytotoxic T cells and memory T cells
(2) antigen presented to T lymphocyte
(3) activation of T lymphocytes
(4) cytotoxic T cells attack target cells

Accepted Answer

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

Question 3

Cytotoxic T cells recognize

Accepted Answer

A)  receptors on B cells 
B)  fragments of self proteins of infected cells 
C)  viral antigens and class I MHC 
D)  viral antigens and class II MHC 
E)  all of these 
A)  receptors on B cells 
B)  fragments of self proteins of infected cells 
C)  viral antigens and class I MHC 
D)  viral antigens and class II MHC 
E)  all of these

Question 4

Cytotoxic T-cells attack

Accepted Answer

A)  viruses. 
B)  bacteria. 
C)  cells that display foreign proteins on their surface. 
D)  cells that display normal proteins on their surface. 
E)  viruses and bacteria. 
A)  viruses. 
B)  bacteria. 
C)  cells that display foreign proteins on their surface. 
D)  cells that display normal proteins on their surface. 
E)  viruses and bacteria.

Question 5

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 6

Foreign substances that elicit an immune response are termed

Accepted Answer

A)  aliens. 
B)  antigens. 
C)  antibodies. 
D)  viruses. 
E)  bacteria. 
A)  aliens. 
B)  antigens. 
C)  antibodies. 
D)  viruses. 
E)  bacteria.

Question 7

The ability for adaptive immunity to improve the immune response to a particular pathogen over subsequent exposures is referred to as

Accepted Answer

A)  specificity. 
B)  memory. 
C)  resistance. 
D)  adaptability. 
E)  hypersensitivity. 
A)  specificity. 
B)  memory. 
C)  resistance. 
D)  adaptability. 
E)  hypersensitivity.

Question 8

IgE molecules attach to

Accepted Answer

A)  mast cells via their variable region 
B)  mast cells by their constant region 
C)  T helper cells by their variable region 
D)  plasma cells by their constant region 
A)  mast cells via their variable region 
B)  mast cells by their constant region 
C)  T helper cells by their variable region 
D)  plasma cells by their constant region

Question 9

Cytotoxic T-cells interact with Class II major histocompatibility complex (MHC) proteins.

Accepted Answer

A) True 
 B)False

Question 10

The sequence for the processing of proteins produced within the cell is...

Accepted Answer

A)  Proteins are broken into fragments, transported to the rough endoplasmic reticulum, fuse with a Golgi vesicle containing class II MHCs, and this complex is transported to the plasma membrane. 
B)  Proteins are broken into fragments within a vesicle, which fuses with a Golgi vesicle containing class I MHCs, and this complex is transported to the plasma membrane. 
C)  Proteins are broken into fragments within a vesicle, which fuses with a Golgi vesicle containing class II MHCs, and this complex is transported to the plasma membrane. 
D)  Proteins are broken into fragments, transported to the rough endoplasmic reticulum, combined with class II MHCs, move to the Golgi apparatus, then to the plasma membrane. 
E)  Proteins are broken into fragments, transported to the rough endoplasmic reticulum, combined with class I MHCs, move to the Golgi apparatus, then to the plasma membrane. 
A)  Proteins are broken into fragments, transported to the rough endoplasmic reticulum, fuse with a Golgi vesicle containing class II MHCs, and this complex is transported to the plasma membrane. 
B)  Proteins are broken into fragments within a vesicle, which fuses with a Golgi vesicle containing class I MHCs, and this complex is transported to the plasma membrane. 
C)  Proteins are broken into fragments within a vesicle, which fuses with a Golgi vesicle containing class II MHCs, and this complex is transported to the plasma membrane. 
D)  Proteins are broken into fragments, transported to the rough endoplasmic reticulum, combined with class II MHCs, move to the Golgi apparatus, then to the plasma membrane. 
E)  Proteins are broken into fragments, transported to the rough endoplasmic reticulum, combined with class I MHCs, move to the Golgi apparatus, then to the plasma membrane.

Question 11

What is the nonspecific lymphocyte that kills tumor cells and virus infected cells?

Accepted Answer

A)  Macrophages 
B)  Natural killer cells 
C)  Eosinophils 
D)  Basophils 
A)  Macrophages 
B)  Natural killer cells 
C)  Eosinophils 
D)  Basophils

Question 12

Lymph

Accepted Answer

A)  Is found only when there is a pathological condition that allows it to leak from capillaries 
B)  Is excess interstitial fluid 
C)  Is filtered by the spleen 
D)  Is synthesized by the lymphoid organs 
E)  All choices are correct 
A)  Is found only when there is a pathological condition that allows it to leak from capillaries 
B)  Is excess interstitial fluid 
C)  Is filtered by the spleen 
D)  Is synthesized by the lymphoid organs 
E)  All choices are correct

Question 13

A person with type AB blood may receive

Accepted Answer

A)  type A blood 
B)  type B blood 
C)  type AB blood 
D)  type O blood 
E)  all of these 
A)  type A blood 
B)  type B blood 
C)  type AB blood 
D)  type O blood 
E)  all of these

Question 14

Histamine is released from mast cells.

Accepted Answer

A) True 
 B)False

Question 15

The secondary immune response to a previously encountered pathogen is swifter and stronger than the primary immune response.

Accepted Answer

A) True 
 B)False

Question 16

In IgE mediated hypersensitivity, all of the following are needed except

Accepted Answer

A)  antigen presenting cell 
B)  B cell 
C)  IgE antibody 
D)  mast cell 
E)  neutrophil 
A)  antigen presenting cell 
B)  B cell 
C)  IgE antibody 
D)  mast cell 
E)  neutrophil

Question 17

Foreign antigens presented on class I MHC molecules

Accepted Answer

A)  stimulate other immune system cells to respond to the antigen. 
B)  stimulate macrophages to respond to the antigen. 
C)  stimulate cell destruction by macrophages. 
D)  stimulate cell destruction by activated T-cells. 
E)  are not recognized by the T-cells and do not stimulate cell destruction. 
A)  stimulate other immune system cells to respond to the antigen. 
B)  stimulate macrophages to respond to the antigen. 
C)  stimulate cell destruction by macrophages. 
D)  stimulate cell destruction by activated T-cells. 
E)  are not recognized by the T-cells and do not stimulate cell destruction.

Question 18

Bacterial cells

Accepted Answer

A)  have one identifiable antigen that binds antibody 
B)  have two epitopes per cell 
C)  have many different epitopes, which each bind to specific antibodies 
D)  have many different epitopes, which all bind to the same antibody 
E)  are not antigenic 
A)  have one identifiable antigen that binds antibody 
B)  have two epitopes per cell 
C)  have many different epitopes, which each bind to specific antibodies 
D)  have many different epitopes, which all bind to the same antibody 
E)  are not antigenic

Question 19

A T helper cell must become activated before it can stimulate a B cell to produce antibody.

Accepted Answer

A)  True 
B)  False 
A)  True 
B)  False

Question 20

Complement factors are named in the order in which they function.

Accepted Answer

A)  True 
B)  False 
A)  True 
B)  False

Positive selection of lymphocytes refers to the

Which is the proper order of events in cell-mediated immunity? (1) cloning of cytotoxic T cells and memory T cells (2) antigen presented to T lymphocyte (3) activation of T lymphocytes (4) cytotoxic T cells attack target cells

Cytotoxic T cells recognize

Cytotoxic T-cells attack

Germinal centers are the sites of

Foreign substances that elicit an immune response are termed

The ability for adaptive immunity to improve the immune response to a particular pathogen over subsequent exposures is referred to as

IgE molecules attach to

Cytotoxic T-cells interact with Class II major histocompatibility complex (MHC) proteins.

The sequence for the processing of proteins produced within the cell is...

What is the nonspecific lymphocyte that kills tumor cells and virus infected cells?

Lymph

A person with type AB blood may receive

Histamine is released from mast cells.

The secondary immune response to a previously encountered pathogen is swifter and stronger than the primary immune response.

In IgE mediated hypersensitivity, all of the following are needed except

Foreign antigens presented on class I MHC molecules

Bacterial cells

A T helper cell must become activated before it can stimulate a B cell to produce antibody.

Complement factors are named in the order in which they function.

The Human Organism

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Cell Structures and Their Functions

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Blood Vessels and Circulation

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Nutrition, Metabolism, and Body Temperature Regulation

Urinary System and Fluid Balance

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Exam 14: The Lymphatic System and Immunity

Positive selection of lymphocytes refers to the

Which is the proper order of events in cell-mediated immunity? (1) cloning of cytotoxic T cells and memory T cells (2) antigen presented to T lymphocyte (3) activation of T lymphocytes (4) cytotoxic T cells attack target cells

Cytotoxic T cells recognize

Cytotoxic T-cells attack

Germinal centers are the sites of

Foreign substances that elicit an immune response are termed

The ability for adaptive immunity to improve the immune response to a particular pathogen over subsequent exposures is referred to as

IgE molecules attach to

Cytotoxic T-cells interact with Class II major histocompatibility complex (MHC) proteins.

The sequence for the processing of proteins produced within the cell is...

What is the nonspecific lymphocyte that kills tumor cells and virus infected cells?

Lymph

A person with type AB blood may receive

Histamine is released from mast cells.

The secondary immune response to a previously encountered pathogen is swifter and stronger than the primary immune response.

In IgE mediated hypersensitivity, all of the following are needed except

Foreign antigens presented on class I MHC molecules

Bacterial cells

A T helper cell must become activated before it can stimulate a B cell to produce antibody.

Complement factors are named in the order in which they function.

The Human Organism

The Chemical Basis of Life

Cell Structures and Their Functions

Tissuesasis of Life

Integumentary System

Skeletal System: Bones and Joints

Muscular System

Nervous System

Senses

Endocrine System

Blood

Heart

Blood Vessels and Circulation

Respiratory System

Digestive System

Nutrition, Metabolism, and Body Temperature Regulation

Urinary System and Fluid Balance

Reproductive System

Development, Heredity, and Aging

Filters