Deficiency of C1 inhibitor can produce: (A) Hereditary angioneurotic edema, (B) SLE, (C) No disease, (D) Pyogenic infections
Answer is A. C3 def can lead to recurrent pyogenic infections C1 inhibitor deficiency can lead to hereditary angioneurotic edema Ref: Textbook of Microbiology Baveja 5th ed Pg 125