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Exercise 3
Learn about Neurophysiology and Nerve Impulses by completing the following lab simulation.
  1. Download and open the lab instruction worksheet (PDF format) for this experiment.
  2. Watch the Nerve Impulses video.
  3. Complete the PhysioEx Lab Experiments:
  4. Review what you've learned by downloading and completing the review sheet (PDF or RTF format) or taking the multiple-choice quiz.
Objectives:
  • To define the following: irritability, conductivity, resting membrane, potential, polarized, sodium-potassium pump, threshold stimulus, depolarization, action potential, repolarization, hyperpolarization, absolute refractory period, relative refractory period, nerve impulse, compound nerve action potential, and conduction velocity.
  • To list at least four different stimuli capable of generating an action potential.
  • To list at least two agents capable of generating an action potential.
  • To describe the relationship between nerve size and conduction velocity.
  • To describe the relationship between nerve myelination and conduction velocity.





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