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': 'Which of the following drugs is commonly administered by intranasal route ? \nSelect and explain. \nA. Adrenaline, B. Desmopressin, C. Ganirelix, D. Insulin', 'role': 'user'}, {'content': 'Answer: B \nExplanation: - Among the given choices, the only desmopressin is administered by the intranasal route.\n- This route is being tried for Insulin, but not used presently.', 'role': 'assistant'}]