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
Local anaesthetic used as an antiarrhythmic agent is - 
Select and explain. 
A. Bupivacaine, B. Lignocaine, C. Cocaine, D. Chlorprocaine
B: Lignocaine
Answer: B: Lignocaine 
Explanation: Ans. is 'b' i.e., Lignocaine