Pain Transmission in the Nervous System Quiz
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Questions and Answers

Which type of nerve fibers lead to sharp, stabbing, local pain?

  • Unmyelinated small C fibers
  • Afferent nerve fibers
  • C fibers
  • A-delta fibers (correct)
  • Where do nerve fibers divide in the spinal cord?

  • Thalamus
  • Somatosensory cortex
  • Afferent nerve fibers
  • Dorsal horn (correct)
  • Which part of the brain quickly sends a message to the somatosensory cortex where pain is interpreted?

  • Afferent nerve fibers
  • Thalamus (correct)
  • Unmyelinated small C fibers
  • Dorsal horn
  • What is the function of nociceptors?

    <p>To activate when exposed to noxious stimuli</p> Signup and view all the answers

    What is the pain threshold?

    <p>The point where a person feels the lowest intensity of painful stimulus</p> Signup and view all the answers

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