Which of the following statements about action potentials is false?

Which of the following statements about action potentials is false?

Which of the following statements about action potentials is false?



  1. They can transmit signals over long distances.
  2. They boost the spatial spread of electrical signals.
  3. They are elicited by hyperpolarization.
  4. They occur at threshold.
  5. They are all-or-none. 



Answer: 3