Neurophysiology: Nerve Impulse and Action Potential
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Questions and Answers

What is the origin of the resting potential in a nerve fiber?

  • Recording at the postsynaptic neuron
  • Increase in the intensity of above threshold stimulations
  • Stimulation at the presynaptic neuron
  • Hypopolarizations of increasing amplitudes (correct)

    • How is the resting potential maintained in a nerve fiber?

  • By interpreting the documents in paragraph 1
  • By reaching the depolarization threshold
  • By always staying below the depolarization threshold (correct)
  • By increasing the intensity of above threshold stimulations

    • What is the nature of the nerve structure involved in the nerve impulse?

  • Postsynaptic neuron
  • Presynaptic neuron
  • Nerve fiber (correct)
  • Sensory receptor

    • Where does the hypopolarization occur in relation to the depolarization threshold?

    <p>Always below the depolarization threshold</p> Signup and view all the answers

    What happens when increasing stimulation is applied in the nerve fiber?

    <p>The amplitude of hypopolarizations increases</p> Signup and view all the answers

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