Tetrodotoxin, the poisonous substance produced by the puffer fish, interacts with which of the following?
A) sodium channels that are dependent on voltage
B) calcium channels located at the axon terminal
C) hydrogen channels located on postsynaptic dendrites
D) potassium channels located on the axon membrane

Question

Quizplus · Accepted Answer

Tetrodotoxin blocks voltage-dependent sodium channels in nerve cell membranes, preventing the nerve cells from sending electrical signals. This results in paralysis and can be fatal.

Tetrodotoxin, the Poisonous Substance Produced by the Puffer Fish, Interacts