Exam 12: Body Defenses

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Unlike B cells,which secrete antibodies that can attack antigens at long distances,__________ must directly contact their targets,a process known as __________ immunity.

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Figure12-2 Use the figure above (Figure12-2)to answer the corresponding questions.​ Figure12-2 Use the figure above (Figure12-2)to answer the corresponding questions.​    -Which number in the figure represents chemotaxins attracting neutrophils and monocytes,which display diapedesis?​ -Which number in the figure represents chemotaxins attracting neutrophils and monocytes,which display diapedesis?​

(Multiple Choice)
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Cell-mediated immunity involves the production of activated __________,which directly attack unwanted cells.

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Interferon released from virus-infected cells binds with other uninvaded host cells and induces these cells to produce inactive enzymes capable of blocking viral replication.

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Figure12-2 Use the figure above (Figure12-2)to answer the corresponding questions.​ Figure12-2 Use the figure above (Figure12-2)to answer the corresponding questions.​    -Which number in the figure represents activated mast cells releasing histamine?​ -Which number in the figure represents activated mast cells releasing histamine?​

(Multiple Choice)
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What effect does histamine have?

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What is the most common acquired immunodeficiency disease?

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What is another term for antibodies?

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Helper T cells secrete several interleukins that serve collectively as a(n):

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Activated NLRs trigger formation of cytosolic,multiprotein complexes termed __________.

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Discuss the defenses of the urinary system.

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__________ T cells do not directly participate in immune destruction of invading pathogens.

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A cytotoxic T cell can also indirectly bring about death of an infected host cell by releasing granzymes,which are enzymes similar to digestive enzymes.

(True/False)
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During the inflammation response,what components of the immune system are sent to the invaded or injured area?​

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All of the epithelial surfaces are protected by antimicrobial peptides called:

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The innate immune system encompasses what type of immune response?​

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How many types of T cells are there?

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On being released into the blood from either the bone marrow or the spleen,mature A and B cells take up residence and establish lymphocyte colonies in the peripheral lymphoid tissues.​

(True/False)
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How many B lymphocytes are people equipped with?

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__________ are not self-sustaining cellular entities -- they consist only of nucleic acids enclosed by a protein __________.​

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