This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
Drug of choice for ventricular arrhythmias induced by bupivacaine 
Select and explain. 
A. Bretylium tosylate, B. Lignocaine, C. Nifedipine, D. Verapamil
A: Bretylium tosylate
Answer: A: Bretylium tosylate 
Explanation: Bupivacaine has got high cardiotoxic potential. Treatment for ventricular arrhythmia produced by bupivacaine is bretylium.