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
Systemic vascular resistance is twice that of normal, treatment should be 
Select and explain. 
A. Adrenaline, B. Nor adrenaline, C. Sodium nitroprusside, D. Isoprenaline
C: Sodium nitroprusside
Answer: C: Sodium nitroprusside 
Explanation: 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