This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nasal Polyps, Subject name: ENT
[{'content': 'Regarding ethmoidal polyp, which one of the following is true: \nSelect and explain. \nA. Epistaxis, B. Unilateral, C. Less than 10 years, D. Associated with bronchial asthma', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Polyps (being oedematous change in nasal mucosa) does not present with epistaxis because of their poor vascular supply. They present with nasal obstruction. They are bilateral and typically present in middle age. Allergic rhinitis; leads to ethmoidal polyps. Many patients with allergic rhinitis also have asthma.', 'role': 'assistant'}]