Figure 41-2 Use the Figure to Answer the Corresponding Question(s)

Figure 41-2
Use the figure to answer the corresponding question(s) .
-When the dentist gives you a shot of Novocain, why to you not feel any pain when s/he drills into your tooth?

A) The neuron remains in the depolarized state.
B) A transmembrane potential does not form.
C) The drug decreases the external Na⁺ concentration.
D) Voltage-activated K⁺ channels are blocked.
E) Nerve transmission is blocked.

Correct Answer:

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