Regarding complements
A
Deficiency of C1 inhibitor results in angioedema
B
Activation leads to production of anaphylatoxins
C
C5a is regarded as central molecule
D
Have no role in opsonization
E
Deficiency is associated with many congenital diseases
Correct Answer: Deficiency of C1 inhibitor results in angioedema, Activation leads to production of anaphylatoxins