This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous System, Subject name: Pediatrics
[{'content': 'A CSF/serum glucose ratio of <0.4 is highly suggestive of: \nSelect and explain. \nA. Bacterial Meningitis, B. Viral Meningitis, C. Carcinomatous Meningitis, D. None of the above', 'role': 'user'}, {'content': "Answer: A \nExplanation: a. Bacterial Meningitis(Ref: Nelson's 20/e p 2936-2948, Ghai 8/e p 563-565)Hypoglycorrhachia (Low CSF: serum glucose ratio) is commonly seen in Bacterial meningitis.", 'role': 'assistant'}]