PH2113 - Disease & Drugs Flashcards

1
Q

What is hypersensitivity?

A

An exaggerated response of the immune system to ‘foreign’ antigen resulting in tissue damage

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2
Q

What is hypersensitivity damage mediated by?

A

The same attack mechanisms that mediate normal immune responses to pathogens
- adaptive immune system

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3
Q

What is needed to produce a hypersensitivity reaction?

A

A sensitisation step is needed as a hypersensitivity reaction cannot manifest upon first exposure

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