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All-or-None Phenomenon in Action Potential of Neuronal Communication
The all-or-none phenomenon is related to an action potential in the way that once a neuron's membrane potential gets to the threshold of excitation, the neuron will either fire an action potential all the way or not at all (i.e., there can't be any "partial" firing of a neuron).
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All-or-None Phenomenon in Action Potential of Neuronal Communication
Action Potential Diagram
A neuron's membrane has just received a stimulus strong enough to trigger an electrical impulse. Which of the following statements best breaks down the sequence of ion movements that allows this impulse to travel along the axon?