16. Which statement concerning complement activation is NOT CORRECT?
(A) Only antigen-bound antibodies and not free circulating antibodies can initiate the classical pathway
(B) IgG has better complement fixation ability than IgM
(C) Patients with deficiencies in C3 are more severe than those with deficiencies in membrane attack complex
(D) C6-C9 are structurally related proteins without enzymatic activity
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統計: 尚無統計資料
統計: 尚無統計資料