Some anesthetic drugs relieve pain by interfering with various parts of the action potential (discussed in class). Give a brief description of how the two drugs below may work as pain-blockers (2 pts).
Lidocaine (used as a local anesthetic in dentistry) - blocks pores of voltage-gated Na+ channels
Succinyl choline (competitive inhibitor of acetylcholine esterase (AchE)) Hint: AChE breaks down ACh, a neurotransmitter