Which medication is not an ester?
1. Chloroprocaine (Nesacaine)
2. Bupivicaine (Marcaine)
3. Benzocaine (Americaine)
4. Tetracaine (Pontocaine)
Correct Answer: 2
Rationale 1: Chloroprocaine (Nesacaine) is an ester.
Rationale 2: Bupivicaine (Marcaine) is an amide.
Rationale 3: Benzocaine (Americaine) is an ester.
Rationale 4: Tetracaine (Pontocaine) is an ester.
Global Rationale: Bupivicaine (Marcaine) is an amide. Chloroprocaine (Nesacaine) is an ester. Benzocaine (Americaine) is an ester. Tetracaine (Pontocaine) is an ester.
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