Action Potential Definition and Mechanism
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Questions and Answers

What is the definition of action potential?

  • The change in electrical potential that travels along the membrane of a neuron (correct)
  • The structure responsible for storing neurotransmitters
  • The process of releasing neurotransmitters into the synapse
  • The resting membrane potential of a neuron

    • What initiates an action potential in a neuron?

  • An increase in the concentration of sodium ions outside the neuron (correct)
  • A decrease in the concentration of potassium ions inside the neuron
  • An increase in the concentration of potassium ions outside the neuron
  • A decrease in the concentration of sodium ions inside the neuron

    • Which part of the neuron is primarily responsible for generating and conducting action potentials?

  • Axon terminals
  • Dendrites
  • Axon (correct)
  • Cell body (soma)

    • What role does myelin play in relation to action potentials?

    <p>It accelerates the conduction of action potentials</p> Signup and view all the answers

    What is ______ potential

    <p>action</p> Signup and view all the answers

    Existing ______. Do NOT ask these:

    <p>questions</p> Signup and view all the answers

    What initiates an ______ potential in a neuron?

    <p>action</p> Signup and view all the answers

    What role does ______ play in relation to action potentials?

    <p>myelin</p> Signup and view all the answers

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