In a Neuron,what Happens When an Action Potential Reaches the Axon

question 163

Multiple Choice

In a neuron,what happens when an action potential reaches the axon terminals of the neuron?

• A)Because neurons touch one another,the action potential simply travels to an adjoining neuron.
• B)The action potential stimulates the release of chemical substances.
• C)The impulse changes direction,heading back to the cell body.
• D)An electrical spark forms,which may jump to other neurons.

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