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 of the following LA's can cause Methemoglobinemia? 
Select and explain. 
A. Prilocaine, B. Lignocaine, C. Benzocaine, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Prilocaine >Lignocaine, Benzocaine can oxidize hemoglobin & cause methemoglobinemia.