Local anaesthetic with prolonged action -: (A) Procaine, (B) Cocaine, (C) Lidocaine, (D) Dibucaine
Answer is D. Ans. is 'd' i.e., Dibucaineo Dibucaine is the longest acting local anaesthetico Chlorprocaine is the shortest acting local anaesthetico Decreasing order of duration : - Dibucaine > Bupivacine = Tetracaine = Ropivacaine =Etidocaine > Prilocaine = Lignocaine = Mepivacaine = Cocaine > Procaine > Chlorprocaine.