This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology, Subject name: Microbiology
[{'content': 'Recurrent Neisseria infections are predisposed by - \nSelect and explain. \nA. Early complement component deficiency, B. Late complement component deficiency, C. C1 esterase deificiency, D. Properdin deficiency', 'role': 'user'}, {'content': "Answer: B \nExplanation: Meningococcal disease can present as cerebrospinal meningitis and meningococcal septicemia. Meningococcal disease is oured by deficiency of the terminal complement components ( C5-C9). Reference: Anathanarayan & paniker's 9th edition, pg no:229 <\\p>", 'role': 'assistant'}]