A Drug That Specifically Inhibits Voltage-Gated Sodium Channels in Axons

question 45

Multiple Choice

A drug that specifically inhibits voltage-gated sodium channels in axons would be expected to

• A)prevent the hyperpolarization phase of the action potential.
• B)prevent the depolarization phase of the action potential.
• C)prevent graded potentials.
• D)increase the release of neurotransmitter molecules.
• E)have most of its effects on the dendritic region of a neuron.

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