Basic Sciences

598) Which of the following statements about local anesthetics is TRUE?

A. Lidocaine is an ester anesthetic agent.
B. Ester anesthetic agents are most likely to cause allergic reactions.
C. Cocaine is a very effective in providing topical anesthesia as well as marked vasodilatation.
D. EMLA is a mixture of lidocaine and bupivacaine and is used for topical dermal anesthesia.
E. Local anesthetic agents block potassium channels.




REFERENCES & ANSWER



Graham III H.D., Duplechain G: Anesthesia in Facial Plastic Surgery, chapter 1 in Facial Plastic Surgery, (Willet J. M., editor), Appleton & Lange, pp. 11-12, 1997


Fletcher M. V.: Anesthesia in Facial Plastic Surgery, Chapter 17 Facial Plastic and Reconstructive Surgery, Thieme Medical Publishers, Third Edition (Ira Papel, editor) , 2009, pp. 189-197

598) B       Ester anesthetic agents are most likely to cause allergic reactions.