Which of the following occurred in the presence of tetrodotoxin?
A) The number of action potentials decreased.
B) The size of the action potential increased.
C) The number of action potentials increased.
D) The size of the action potential decreased.
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Option B is the answer
The size of the action potential increased.
As it blocks the voltage grated sodium channels in the membrane
The size of the action potential increased.
As it blocks the voltage grated sodium channels in the membrane
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