Question of the Day › September 30, 2026
Question of the day: September 30, 2026
Local anesthetics such as lidocaine reduce nerve impulse conduction primarily by affecting which channels?
Show the answer
B. Voltage-gated sodium channels
Blocking neuronal sodium-channel activity interferes with initiation and propagation of the nerve impulse.
An original practice question written against the NBSTSA CST content outline and the NCCT TS-C test plan. It is not an official, recalled, or validated exam question, and practice scores do not predict an exam result.
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