A nurse is teaching a pharmacology class to a group of nurses
To evaluate the group's understanding of local anesthetics, the nurse asks, "Which electrolyte channels inhibit axonal conduction as a result of the administration of a local anesthetic?" The best response of a participant would be _____ channels.
a. potassium
b. calcium
c. sodium
d. chloride
ANS: C
Administration of a local anesthetic stops axonal conduction by blocking sodium channels.
Administration of a local anesthetic does not stop axonal conduction by blocking potassium, calcium, or chloride channels.
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