hypersensitivity reactions Flashcards
1
Q
mechanism of Type I
A
anaphylactic
antigen reacts with IgE bound to mast cells
2
Q
mechanism of Type II
A
cell bound
IgG or IgM binds to antigen on cell surface
3
Q
mechanism of Type III
A
immune complex
free antigen and antibody (IgG, IgA) combine
4
Q
mechanism of Type IV
A
delayed hypersensitivity
T-cell mediated
5
Q
anaphylaxis
A
I
6
Q
atopy (eg asthma, eczema, hayfever)
A
I
7
Q
autoimmune haemolytic anaemia
A
II
8
Q
ITP
A
II
9
Q
Goodpasture’s syndrome
A
II
10
Q
pernicious anaemia
A
II
11
Q
acute haemolytic transfusion reactions
A
II
12
Q
rheumatic fever
A
II
13
Q
pemphigus vulgaris / bullous pemphigoid
A
II
14
Q
serum sickness
A
III
15
Q
systemic lupus erythematosus
A
III
