Which of the following statements concerning the properties of action potentials is true?
A)The rate of propagation of an action potential down an axon is independent of stimulus strength
B)Action potentials can be summed
C)A supra-threshold stimulus is required to stimulate an action potential during the absolute refractory period
D)Action potentials are conducted decrementally down the axon
E)None of the choices are true

Question

Quizplus · Accepted Answer

The rate of propagation of an action potential down an axon is independent of stimulus strength because action potentials are all-or-none events. Once the threshold is reached, the action potential propagates at a constant speed regardless of the strength of the stimulus.

Which of the Following Statements Concerning the Properties of Action