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
Mexiletine is an oral active congner of 
Select and explain. 
A. Dopamine, B. Lidocaine, C. Dobutamine, D. levodopa
B: Lidocaine
Answer: B: Lidocaine 
Explanation: Ans. is'b'i.e., LidocaineRef: Clinical pharmacology 3'd/e p. 501; KDT Vhle p. 531Mexiletine is an orally active congener of lidocaine.It is a local anaesthetic and an orally active antiarrhythmic; chemically and pharmacologically similar to lidocaine.