Intraoperative Somatosensory Evoked Potentials Quiz
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Questions and Answers

Which somatosensory system conveys discriminative touch, vibration, and proprioception?

  • Dorsal somatosensory system (correct)
  • Anterolateral somatosensory system
  • Both dorsal and anterolateral somatosensory systems
  • None of the above
  • Why do techniques using SEPs selectively test the dorsal somatosensory system?

  • It has abundant deep receptors for limb proprioception
  • Its thick peripheral axons have low thresholds and fast, uniform conduction (correct)
  • Its thinner axons have higher thresholds and slower, more variable conduction
  • It carries pain, light touch, and temperature sensation
  • What type of receptors does the dorsal somatosensory system have?

  • Both a and c (correct)
  • Cutaneous discriminative touch and vibration receptors
  • Muscle spindle receptors
  • Pain and temperature receptors
  • Why do SEPs techniques not assess the anterolateral somatosensory system?

    <p>Its thinner axons have higher thresholds and slower, more variable conduction</p> Signup and view all the answers

    What do the primary afferents of the dorsal somatosensory system travel up?

    <p>Peripheral nerves and plexuses</p> Signup and view all the answers

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