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
Amino ester local anesthesia metabolised by hepatic carboxylesterase is: 
Select and explain. 
A. Aicaine, B. Bupivacaine, C. Ropivacaine, D. Lidocaine
A: Aicaine
Answer: A: Aicaine 
Explanation: Aminoesters are hydrolyzed in plasma by cholinesterase enzymes, but the amides undergo enzymatic degradation in the liver. Aicaine is an amide local anesthetic widely used in dentistry that is inactivated by plasma carboxylesterase-induced cleavage of a methyl ester on the aromatic ring. Ref: Miller's anesthesia-7th ed, Chapter 30.