This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diuretic, Subject name: Pharmacology
[{'content': 'Desmopressin is preferred over vasopressin because desmopressin has all the properties except - \nSelect and explain. \nA. More potent, B. More selective for VI receptor, C. Has little vasconstrictor activity, D. Longer acting', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., More selective for VI receptorVasopressin Vs. Desmopressino Major indication of ADH (vasopressin) is central DI.o But use of vasopressin is limited because :It has short half lifeAction is nonspecific, i.e. act on both VI and V2 receptors (VI mediated vasconstriction can cause hypertension)o These shortcomings can be overcome by desmopressini) Desmopressin is longer actingii) Desmopressin is V2 selective - So VI mediated vasoconstriction.Desmopressin is 12 times more potent than vasopressin.", 'role': 'assistant'}]