Neuronal Regeneration in the Peripheral Nervous System

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Questions and Answers

Which region of the nervous system degenerates following an injury to the peripheral nervous system?

  • The region proximal to the injury
  • Neither region proximal nor distal to the injury
  • The region distal to the injury (correct)
  • Both regions proximal and distal to the injury

What potential do neuronal circuits in the peripheral nervous system have following an injury?

  • They have the potential for reorganization through the formation of new synapses
  • They have no potential for reorganization
  • They have the potential for reorganization through the regeneration of injured fibers
  • They have the potential for reorganization through the growth of neuronal processes (correct)

Which fibers within peripheral nerves demonstrate an effective capacity for regeneration?

  • Injured fibers distal to the injury site
  • Both injured fibers proximal and distal to the injury site
  • Neither injured fibers proximal nor distal to the injury site
  • Injured fibers proximal to the injury site (correct)

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