The expression "all-or-none" means that ________
A) the compound action potential in a nerve is graded
B) the action potential in a neuron may be larger or smaller depending on the amount of stimulation (it is graded)
C) the action potential in a neuron always has the same shape and size (amplitude)
D) the compound action potential in a nerve always has the same shape and size (amplitude)
Answer: C
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