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
The drug of choice in scleroderma induced hypeensive crisis is 
Select and explain. 
A. ACE inhibitor, B. Thiazides, C. Beta blockers, D. Sodium nitroprusside
A: ACE inhibitor
Answer: A: ACE inhibitor 
Explanation: Refer kDT 7/e p 505 Blood pressure control is the mainstay of therapy in sclerodermarenal crisis. ... An ACE inhibitor is the agent of choice, leading to an improvement in blood pressure in up to 90% of patients by reversing the angiotensin II-inducedvasoconstriction.