This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2017, Subject name: Microbiology
[{'content': 'Meningococcal meningitis is seen with which of the following complement deficiency? \nSelect and explain. \nA. C1q, B. C2, C. C4, D. C5', 'role': 'user'}, {'content': 'Answer: D \nExplanation: o C5-C9 -complement deficiency (MAC) membrane attack complex o Late complement deficiency are prone for recurrents Neisserial infections (meningo & gonococci both) o C1 esterase inhibitor deficiency: leads to Hereditary Angioneurotic edema', 'role': 'assistant'}]