Which of the Following Statements Best Describes the Propagation of Action

question 77

Multiple Choice

 Which of the following statements best describes the propagation of action potentials?

• A) The action potential is reproduced repeatedly down the length of the axon.
• B) One action potential is formed at the axon hillock, and this same signal travels down the length of the axon.
• C) When the axon hillock reaches threshold, action potentials are simultaneously formed down the length of the axon.
• D) One action potential is formed at the axon hillock, triggering the movement of chemical messengers that travel the length of the axon.

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