Local anaesthetic with prolonged action ?
Ans. is 'd' i.e., Dibuca Dibucaine is the longest acting local anaesthetic Chlorprocaine is the shoest acting local anaesthetic Decreasing order of duration : - Dibucaine > Bupivacine = Tetracaine = Ropivacaine = Etidocaine > Prilocaine = Lignocaine = Mepivacaine = Cocaine > Procaine > Chlorprocaine .
Procaine
Cocaine
Lidocaine
Dibucaine