This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
[{'content': '1% silver nitrate is used for: \nSelect and explain. \nA. Ophthalmia neonatorum, B. Sympathetic ophthalmitis, C. Inclusion conjunctivitis, D. Pharyngoconjunctival fever', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. A. Ophthalmia neonatorum1% silver nitrate (crede's method) is used for Ophthalmia neonatorum acquired during birth caused by Neisseria gonorrhea in mother's vagina", 'role': 'assistant'}]