Hypersensitivity Reactions Flashcards
1
Q
Type 1: ? allergen is bound by lg? antibodies, which lead to the degranulation of ? cells.
0 E g ?, ?, ?, allergic ?.
A
external
E
mast
anaphylaxis, asthma, eczema, rhinits
2
Q
Type 2: cell ? antigens are recognised by lg?, leading to ?? cell and ? mediated destruction.
0 E.g. G?’s disease, M? ?
A
surface G NK complement goodpastures myasthenia gravis
3
Q
Type 3: Immune complex ?, leading to ? activation.
o E.g. ? allergic ?, ???.
A
deposition
complement
external all alveolitis
SLE
4
Q
Type 4: T cells detect ?, and secrete ? to cause a ?
hypersensitivity response.
o E.g. contact ?.
A
antigens
cytokines
delayed
dermatitis
