INBDE (Integrated National Board Dental Examination) Practice Exam

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Esters as a class of local anesthetics are broken down by which enzyme?

Hydrolyase
Cholinesterase
Esterase
Protease

The correct answer is: Cholinesterase

Esters are a type of local anesthetics that are broken down by enzymes in the body. Hydrolyase, esterase, and protease are all types of enzymes, however only cholinesterase is responsible for breaking down esters. This is because cholinesterase is specifically designed to break down compounds with an ester bond, while the other enzymes have different functions in the body. Therefore, option B is the only correct answer.