system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
All of the following are true except:
assistant
The correct answer is  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.