Some neurotoxins work essentially the same way as some local anesthetics, which is to

A) prevent depolarization by blocking Na+ entry into the cell only.
B) inactivate the enzyme that destroys the neurotransmitter and bind to Na+ channels and inactivate them.
C) bind to Na+ channels and inactivate them and prevent depolarization by blocking Na+ entry into the cell.
D) bind to Na+ channels and inactivate them only.
E) inactivate the enzyme that destroys the neurotransmitter only.


C) bind to Na+ channels and inactivate them and prevent depolarization by blocking Na+ entry into the cell.

Anatomy & Physiology

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