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Which cells of the immune system are the primary targets the HIV virus?


A) B cells
B) helper T cells
C) cytotoxic T cells
D) antigen-presenting cells
E) all of these cells are affected by HIV

F) A) and B)
G) B) and E)

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Which class of antibodies indicates a recent invasion?


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

F) B) and E)
G) D) and E)

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Plasma cells are located in which area in the figure? Plasma cells are located in which area in the figure?   A) A B) B C) C D) D E) None of these choices


A) A
B) B
C) C
D) D
E) None of these choices

F) B) and C)
G) All of the above

Correct Answer

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The ability of an antigen to react specifically with the antibodies or cells it has provoked is called


A) Specificity
B) Immunogenicity
C) Reactivity
D) Epitopes
E) Immune Response

F) C) and D)
G) C) and E)

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Which class of cells includes macrophages,B cells and dendritic cells?


A) Antigen presenting cells
B) Primary lymphocytes
C) T cells
D) RBC
E) Epitope cells

F) A) and D)
G) C) and E)

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Which of the following is NOT a function of the lymphatic and immune system?


A) Draining excess interstitial fluid
B) Maintaining water homeostasis in the body
C) Transporting dietary lipids
D) Carrying out immune responses

E) All of the above
F) None of the above

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Which of the following is an incorrect matching of immune system cells and their functions?


A) Macrophage - process and presentation of foreign antigens to T cells
B) Dendritic cell - processes and presents antigen to T and B cells
C) B cells - process and presents antigen to helper T cells
D) Plasma cell - produces and secretes antibodies
E) All of these are correct matching of the cells and their functions

F) B) and D)
G) B) and C)

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Which of the following stimulates an immune response ONLY when it is attached to a large carrier molecule?


A) Epitope
B) Antigen
C) Hapten
D) MHC antigen
E) CD8

F) All of the above
G) B) and C)

Correct Answer

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Describe the barriers used in innate defense.

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Barriers used by the innate de...

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Lymph travels to the efferent lymphatic vessel from which structure in the figure? Lymph travels to the efferent lymphatic vessel from which structure in the figure?   A) A B) B C) C D) D E) E


A) A
B) B
C) C
D) D
E) E

F) A) and D)
G) B) and E)

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An acute allergic response can lead to:


A) transplantation
B) retroviruses
C) anaphylactic shock
D) passive immunity
E) active immunity

F) None of the above
G) B) and D)

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Which of the following cells is the most variable cell in the immune system?


A) Natural killer cell
B) Monocyte
C) RBC
D) Lymphocyte
E) Macrophage

F) None of the above
G) A) and E)

Correct Answer

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Which of the following is a small hormone that can stimulate or inhibit many normal cell functions?


A) Enzyme
B) Kinins
C) Cytokine
D) MHC
E) Leukocyte

F) A) and B)
G) D) and E)

Correct Answer

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Which anti-microbial substances promote cytolysis,phagocytosis and inflammation?


A) Transferrins
B) Perforins
C) Complement proteins
D) Defensins
E) Interferons

F) A) and C)
G) A) and B)

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Lack of resistance is also known as:


A) Pathogenic
B) Innate
C) Specific
D) Susceptibility
E) Lymphatic

F) All of the above
G) A) and C)

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In the diagram,where do T cells mature? In the diagram,where do T cells mature?   A) A B) B C) C D) D E) None of these choices


A) A
B) B
C) C
D) D
E) None of these choices

F) B) and D)
G) B) and C)

Correct Answer

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Which cells increase the permeability of blood vessels by releasing histamine?


A) neutrophils
B) eosinophils
C) lymphocytes
D) mast cells
E) macrophages

F) None of the above
G) All of the above

Correct Answer

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Which cell is considered to be the most important cell in the immune system?


A) Cytotoxic T Cells
B) B lymphocytes
C) T Helper cells
D) Eosinophils
E) macrophages

F) A) and D)
G) B) and D)

Correct Answer

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What types of cells are located in area C in the figure? What types of cells are located in area C in the figure?   A) B cells and follicular dendritic cells B) B cells and plasma cells C) macrophages and B cells D) T cells and dendritic cells E) plasma cells and macrophages


A) B cells and follicular dendritic cells
B) B cells and plasma cells
C) macrophages and B cells
D) T cells and dendritic cells
E) plasma cells and macrophages

F) B) and D)
G) A) and B)

Correct Answer

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Which of these provides a non-specific cellular disease resistance mechanism?


A) Macrophages
B) T lymphocytes
C) B lymphocytes
D) Memory B cells
E) Stratified squamous epithelium

F) All of the above
G) A) and B)

Correct Answer

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