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: Pharmacology
[{'content': 'Metronidazole is used for all except ? \nSelect and explain. \nA. Amoebiasis, B. Giardiasis, C. Trichomonas vaginitis, D. Malaria', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Malaria Metronidazole is used in : 1. Amoebiasis 5. Pseudomembranous enterocolitis. 2. Giardiasis 6. Ulcerative gingivitis, trench mouth. 3. Trichomonas vaginitis 7. H. pylori gastritis, peptic ulcer. 4. Anaerobic bacterial infection", 'role': 'assistant'}]