All of the following are true except:: (A) NADPH oxidase acts via superoxide ions, (B) Chediak-Higashi syndrome is due to defective phagolysosome formation, (C) In Brutons agammaglobulinemia opsonisation is not affected, (D) Myeloperoxidase action is mainly due to OCI-
Answer is C. c. In Brutons agammaglobulinemia opsonization is not affected(Ref: Nelson's 20/e p 1012-1016, Ghai8/ep 186)IgM is important for opsonization, so in Brutons agammaglobulinemia opsonisation is affected.