This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Surgery
[{'content': 'In craniocerebral trauma, lumbar puncture is essential in only one of the following \nSelect and explain. \nA. To confirm raised intracranial tension, B. In prolonged unconsciousness, C. When there is papilloedema, D. When meningitis is suspected', 'role': 'user'}, {'content': 'Answer: D \nExplanation: (D) When meningitis is suspected # BACTERIAL MENINGITIS, although potentially a life-threatening infection, seldom requires neurosurgical intervention.> Treatment involves confirming diagnosis & identifying organism by a CSF sample, usually via lumbar puncture.> Broad-spectrum intravenous (i.v.) antibiotics with good CSF penetration should then be commenced without delay.> Ceftriaxone 2g 12 hourly & metronidazole 400 mg 8 hourly & adjusted as cultures & sensitivities become available.', 'role': 'assistant'}]