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What type(s) of cell(s) conduct(s) phagocytosis?


A) Macrophages in lymph nodes
B) Kupffer cells in sinusoids
C) Microglial cells in the brain
D) Neutrophils
E) All of the choices are able to phagocytize

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

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The ________________ recognize antigen on the surface of macrophages and activate B cells.

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Distinguish between innate immunity and acquired immunity.How are innate mechanisms influenced and sometimes strengthened as a consequence of acquired immune responses?

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Innate immunity is the body's first line...

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_________________ is produced by macrophages,is a mediator of inflammation,and may help cause fever.


A) Complement
B) Lysozymes
C) A major histocompatibility complex
D) Interferon
E) Tumor necrosis factor

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

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In a young individual who has never been exposed to a blood transfusion,why does A-type blood have anti-B antibody,while B-type blood has anti-A antibody?


A) The fetus is exposed to the mother's blood antigens during pregnancy.
B) All individuals already have all possible antibodies at birth so this is normal.
C) That antibodies develop to A and B epitopes on intestinal microorganisms in the intestine.
D) The antibodies are transferred in the saliva from parent to child.
E) The antibodies are made to the recessive blood type that is not expressed.

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

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Neutrophils and lymphocytes are types of _____.


A) platelets
B) red blood cells
C) white blood cells
D) plasma cells
E) epithelial cells

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

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Cells bear substances on their surfaces that are the basis of nonself recognition.These substances are _______ ________ _______.

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major hist...

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Acquired Immune Deficiency Syndrome is commonly called ________.

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Identify the following: tumor necrosis factor,complement,phagocytosis,leukocytes.

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Tumor Necrosis Factor (TNF): Tumor necro...

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Many immune responses involve little,if any,________ and depend on the action of cells only.

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Immunoglobulins have a structure that resembles which letter?


A) A
B) B
C) S
D) T
E) Y

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

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One of the principal tests of the ability of invertebrate tissues to recognize nonself is grafting a tissue from another individual of the same species.This is called a(n)_________.

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How do the following granulocytic leukocytes differ: neutrophils,eosinophils,basophils?

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Neutrophils, eosinophils, and basophils ...

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_________ cells are responsible for retaining antigen memory for faster future immune response.

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Antibodies are large protein molecules classified as ______________.

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