For Sodium to Accumulate Rapidly Inside a Neuron Cell Membrane

Multiple Choice

For sodium to accumulate rapidly inside a neuron cell membrane,

A) a stimulus above the threshold must open sodium gates in an accelerating manner.
B) the wave of repolarization must occur to reestablish a resting potential.
C) there must be a dramatic increase in the negative charge of the cytoplasm.
D) a voltage surge must cause the sodium gates to close.
E) the potassium gates must open first.