The most commonly used dental anesthetic is lidocaine. Lidocaine blocks voltage-gated Na⁺ channels. Where along the facial nerve would you expect lidocaine to be active?

Name: The most commonly used dental anesthetic is lidocaine. Lidocaine blocks voltage-gated Na + channels. Where along the facial nerve would you expect lidocaine to be active?
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Question

Quizplus · Accepted Answer

Lidocaine blocks voltage-gated Na channels, which are found along the axon. Therefore, it would be active along the facial nerve at the axon.

The Most Commonly Used Dental Anesthetic Is Lidocaine