This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteriology, Subject name: Medicine
[{'content': 'DOC for listeria meningitis: \nSelect and explain. \nA. Ampicillin, B. Cefotaxime, C. Cefotriaxone, D. Ciprofloxacin', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Ampicillin Treatment of listeria infectiono The antibiotic of choice for listeria infection is ampicillin or penicillin G.Antibiotic regimens for listeria infection||||First line regimensPenicillin allergic patientsAlternative drugso Ampicillin or Penicillin is the drug of choiceo Trimethoprim sulphame- thoxazoleo Imipenem and meropenemo Other antibiotic that are less effective# Vancomycin# Erythromycin# Chloramphenicol", 'role': 'assistant'}]