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Blood cells differ from one another,and when two different and incompatible blood types are mixed,_________________ happens.

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An immune response against an invading organism or other tissue damage that involves mobilizing leukocytes from capillaries to the site of injury is called the ___________ response.

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The causative agent of AIDS is _______________ _________ __________.

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human immu...

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If lysozyme is found in sweat,saliva,and tears,why can't it be used as an antibiotic against serious disease agents?

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Lysozyme is an enzyme that is found in s...

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_________________ is/are a series of proteins activated in a sequence as a response to invading organisms.


A) Complement
B) Lysozymes
C) A major histocompatibility complex
D) Interferons
E) Tumor necrosis factors

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

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Which statement is NOT true about neutrophils?


A) They are phagocytic.
B) They are polymorphonuclear.
C) They are made in lymphoid tissue.
D) They do not produce antibodies.
E) They are the most abundant white blood cell.

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

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A substance that stimulates an immune response is called a/an _____________.

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

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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) A) and E)
G) A) and C)

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What type(s)of cell(s)conduct(s)phagocytosis? Macrophages in lymph nodes Kupffer cells in sinusoids Microglial cells in the brain Neutrophils __ Mast cells __ Natural killer cells

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Antibodies are large protein molecules classified as ______________.

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To make snakebite antivenin,we inject a horse with increasing doses of venom,extract the horse's antibodies,and inject them inside a person who has been bitten by a snake in order to save his/her life.Which is the best explanation of why this is effective?


A) The antivenin builds a person's active immunity.
B) The antivenin presents the antibodies built by the horse and is soon eliminated itself by the person's immune system.
C) The antibodies form a permanent immunity in the person against the venom.
D) None of the choices are correct

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

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Rh incompatibility accounts for a peculiar and often fatal disease of the newborn called ___________________ __________.

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erythrobla...

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Certain proteins in the blood that,together with antibodies,lyse or break up invading cells are called ________________.

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Acquired Immune Deficiency Syndrome is commonly called ________.

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

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