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: Pharmacology
[{'content': 'Side effect of nasal decongestants is ? \nSelect and explain. \nA. Anosmia, B. Dryness of nasal mucosa, C. Decreased vision, D. Hyperosmia', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is'a'i.e., AnosmiaNasal decongestantsNasal Decongestants: Ephedrine, Pseudoephedrine, Phenylpropanolamine, Phenylephrine, Xylometazoline, Oxymetazoline, Naphazoline.Adverse drug reactions include local initiation, tolerance, afier congestion, damage to mucosal cilia, atrophic rhinitis, anosmia.", 'role': 'assistant'}]