A Toxin That Binds Specifically to Voltage- Gated Sodium Channels

Multiple Choice

A toxin that binds specifically to 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) increase the release of neurotransmitter molecules.
D) have most of its effects on the dendritic region of a neuron.
E) prevent graded potentials.