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: Pharmacology
Which drug/s is/ are used to control hypeension intra operatively? 
Select and explain. 
A. Nitroglycerine, B. Nitroprusside, C. Beta blockers, D. All the above
D: All the above
Answer: D: All the above 
Explanation: Ans. is 'd' i.e., All the above [Rel Hypeension primer by joseph L. lzzo, p. 555JIntraoperative hypeensionMeasures commonly used to control intraoperative hypeension include deepening of anesthesia, use of vasodilators such as nitroglycerine or nitroprusside, or a combination of the two.