This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
[{'content': 'False about H. influenzae: \nSelect and explain. \nA. It needs X and V factor for growth, B. Protein capsule plays an impoant role in pathogenecity, C. It is a rare cause of meningitis in the first 2 months of life, D. Most common invasive manifestation is meningitis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) Protein capsule plays an impoant role in pathogenecity Capsule is made up of polysaccharide (not protein) Antigenic determinants of Hemophilus Capsular polysaccharide Outer membrane proteins Lipooligsaccharide Major determinant Basis of classification (types a to f) Type b capsular polysachharide contain pentose sugar (ribose) other types have hexose sugar OMP and LOS subtyping is of epidemiological value', 'role': 'assistant'}]