This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Pharmacology
[{'content': 'Systemic vascular resistance is twice that of normal, treatment should be \nSelect and explain. \nA. Adrenaline, B. Nor adrenaline, C. Sodium nitroprusside, D. Isoprenaline', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Increase in systemic vascular resistance means vasoconstriction, this is a vasodilator drugs like nitroprusside is given. Adrenaline and noradrenaline act as vasopressors whereas isoprenaline increases systolic blood pressure by acting on hea Refer kDT 7/e p567', 'role': 'assistant'}]