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
An elderly hypeensive has diabetic mellitus and bilateral renal aery stenosis. the best management is 
Select and explain. 
A. Enalapril, B. Verapamil, C. Beta blockers, D. Thiazide
B: Verapamil
Answer: B: Verapamil 
Explanation: Thiazides and beta blockers should be avoided in diabetes mellitus whereas ACE inhibitor should not be given to patient with bilateral renal aery stenosis therefore, Calcium channel blockers, like verapamil are the best given for the management of hypeension Refer kDT 6/e p484