What is the principal depolarizing skeletal muscle relaxant?
a. Succinylcholine c. Mivacurium
b. Pancuronium d. Rocuronium
A
The principal depolarizing skeletal muscle agent is succinylcholine (Anectine). When the succinylcholine attaches to the receptor, a brief period of depolarization occurs, which is manifested by transient muscular fasciculations. Succinylcholine has a rapid onset, 30 to 60 seconds, and a short duration of action, 5 to 10 minutes.
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