​An Action Potential in a Neuron Begins When ____

question 91

Multiple Choice

​An action potential in a neuron begins when ____.

• A) ​a threshold potential is reached at the trigger zone
• B) ​the resting potential is established
• C) ​gated sodium channels close
• D) ​gated potassium channels close
• E) ​neurotransmitters are received by dendrites

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