This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nose and paranasal sinuses, Subject name: ENT
[{'content': 'Rhinolith can cause? \nSelect and explain. \nA. Nasal obstruction, B. Epistaxis, C. Epiphora, D. All the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Rhinoliths are more common in adults. The presentation is usually unilateral nasal obstruction and foul smelling discharge which is very often bloodstained. Frank epistaxis and neurologic pain may result from ulceration of the surrounding mucosa mass are seen between the septum and nasal turbinates, the mass surface is irregular and brittle, may break off. Maybe surrounded by granulations also. Ref - PL DHINGRA diseases of ear nose and throat, 6th edition, page no 161', 'role': 'assistant'}]