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-

Correct Answer: In Brutons agammaglobulinemia opsonisation is not affected

Description: 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.

Category: Pediatrics

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