Clinical Pharmacology Chapter 19 Local and general anesthetics Q&A (1 OF 10) Sample Questions

1. All of the following are long acting anesthetic, EXCEPT:
  1. A. Bupivacaine
  2. B. Lidocaine
  3. C. Ropivacaine
  4. D. Tetracaine
  5. E. Procaine
Answer
Ans: E
Tips: Procaine and chlorprocaine are the shortest acting local anesthetics (0.25 to 0.5 hours) followed by lidocaine, mepivacaine and prilocaine with slightly longer duration of action (0.5 to 1.5 hours). The longer acting agent include Tetracaine (2-3 hrs), bupivacaine (2-4 hrs), etidocaine (2-3 hrs) and ropivacaine