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: ENT
Regarding ethmoidal polyp, which one of the following is true - 
Select and explain. 
A. Epistaxis, B. Unilateral, C. < 10 years, D. Associated with bronchial asthma
D: Associated with bronchial asthma
Answer: D: Associated with bronchial asthma 
Explanation: Ethmoidals polyp are multiple and bilateral, and often allergic in origin, therefore may be associated with asthma. They occur mostly in adults.
Epistaxis in not a clinical feature.