hypersensitivity Flashcards

1
Q

altered immunologic response to an antigen that results in disease or damage to the host.

A

hypersensitivity

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2
Q

describe the speed of hypersensitivity reactions

A

can be immediate (mins to hours) or delayed (several hours to days )

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3
Q

what is the most immediate hypersensitivity reaction, is explosive

A

anaphylaxis

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4
Q

describe the rate at which anaphylaxis takes place

A

occurs within minutes of exposure to antigen

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5
Q

what can anaphylaxis lead to

A

cardiovascular shock and death

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6
Q

what are the common causes for anaphylaxis

A

beestings, fish and peanuts

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7
Q

what are clinical manifestations of anaphylaxis

A

itching, pain, swelling, redness, & dyspnea( shortness of breath)

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8
Q

name the following types of immune mechanisms that hypersensitivity is categorized by

A

type 1, type 2, type 3, and type 4

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9
Q

what is required in order for hypersensitivity to occur

A

sensitization against a particular antigen that result in primary and secondary immune responses

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