How Would a Chemical That Prevents the Opening of Voltage-Regulated

Multiple Choice

How would a chemical that prevents the opening of voltage-regulated Na+ channels affect the function of a neuron?

A) neuron will only be able to hyperpolarize
B) neuron will depolarize more rapidly
C) action potentials will lack a repolarization phase
D) neuron will automatically and repeatedly produce graded potentials
E) neuron will only be capable of producing graded potentials