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: Anaesthesia
Which of the following agents is not used to provide induced hypotension during surgery ? 
Select and explain. 
A. Sodium nitroprusside, B. Hydralazine, C. Mephenteramine, D. Esmolol
C: Mephenteramine
Answer: C: Mephenteramine 
Explanation: Drugs used for controlled (induced hypotension) :- Nitroprusside, Nitroglycerine, Hydralazine, β-blockers (esmolol), adenosine, fenoldopam, volatile anesthetics.