A.C3b B.C4b2b C.C5aBb D.C3bnBb E.C4b2b3b
A.替代途徑:C4b2b B.經(jīng)典途徑:C3bBb C.經(jīng)典途徑:C4b2b3b D.經(jīng)典途徑:C4b2b E.以上都不是
A.凝聚的IgA B.IgG與抗原結(jié)合成的免疫復(fù)合物 C.IgG2 D.IgM E.SIgA