Pain Pathways in the Nervous System
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Questions and Answers

What is the main function of transduction in the context of pain transmission?

  • Conversion of electrical signals into noxious stimuli
  • Localization of rapid and sharp pain
  • Generation of electrical signals from noxious stimuli (correct)
  • Propagation of action potentials along the axon

    • Which type of nerve fibers carries rapid and sharp pain that is well localized?

  • Aδ fibers (correct)
  • C fibers
  • B fibers
  • D fibers

    • What distinguishes Aδ fibers from C fibers in terms of conduction velocity?

  • Aδ fibers have a slower conduction velocity than C fibers
  • C fibers transmit sharp pain signals, while Aδ fibers transmit dull pain
  • Aδ fibers have a faster conduction velocity than C fibers (correct)
  • C fibers are unmyelinated, while Aδ fibers are myelinated

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