Action potential normally move in one direction, from the axon hillock to the ax

Question

Action potential normally move in one direction, from the axon hillock to the axon terminal. By using the electronic probe, you experimentally depolarize the middle of an axon to threshold. What do you expect to happen?

a) no action potential will be initiated
b) an action potential will travel in one direction, toward the axon terminal
c) An action potential will travel in one direction, toward the axon hillock
d) action potentials will travel in two directions, one toward the axon terminal and another toward the axon hillock
e) An action potential will form, but it will die out before it reaches the axon terminal

Explanation / Answer

Answer: [B] APs are unidirectional and travel to the terminals where they synapse on the post-synaptic cells.

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