<prompt> Regarding ethmoidal polyp, which one of the following is true:EpistaxisUnilateralLess than 10 yearsAssociated with bronchial asthma  <response>: 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. 