This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
Factor present in the final common terminal complement pathway is - 
Select and explain. 
A. C4, B. C3, C. C5, D. Protein B
C: C5
Answer: C: C5 
Explanation: formation of C5 convease and finally the membrane attack complex is common in all the three pathways. Ref Robbins 9/e p 331_333