This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Preferred drugs in clinical situations associated with hypeensive emergencies: a) Nitroprusside is preferred in aoic dissection b) Phentolamine is the first choice in adrenergic crisis c) Hydralazine is preferred in eclampsia d) Nitroglycerin is best in acute left ventricular failure e) Nicardipine in case of cerebrovascular accidents 
Select and explain. 
A. All true, B. c,d,e-True & a,b-false, C. a,e-True & b,c,d-False, D. a,b,d, e-True & c-False
A: All true
Answer: A: All true 
Explanation: Nitroprusside is prefered in aoic dissection, Phentolamine in aoic crisis, Hydralazine in eclampsia, nitroglycerine in hypeension associated with LV Failure and nicardipine in CVA Ref: Harrisons, Edition18 , Page - 2058