Which of the following statements about action potentials is not true?
A)Action potentials operate on an all-or-none principle whether a cell either "fires" or it does not.
B)Action potentials are regenerative and,once started,they continue the length of the axon.
C)Action potentials operate differently than graded potentials.
D)Action potentials are bidirectional and can flow either up or down an axon.

Question

Quizplus · Accepted Answer

Action potentials are unidirectional, meaning they only flow in one direction, from the axon hillock to the axon terminal. They cannot flow backwards up the axon.

Which of the Following Statements About Action Potentials Is Not