Tetrodotoxin Is a Toxin That Blocks the Sodium Channels from Opening

Multiple Choice

Tetrodotoxin is a toxin that blocks the sodium channels from opening. What effect would this have on the function of neurons?

A) Neurons would depolarize more rapidly.
B) Action potentials would lack a repolarization phase.
C) The refractory period would be shorter than normal.
D) The neurons would not be able to propagate action potentials.
E) none of the above