Ascending Sensory Pathways and Function
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Questions and Answers

Which ascending sensory pathway is primarily involved in visceral sensations?

  • Spino-reticular tract (correct)
  • Dorsal column tract
  • Short ascending tract
  • Spino-tectal tract
  • What type of neurons are typically found in ascending sensory pathways?

  • Pseudounipolar neurons (correct)
  • Multipolar neurons
  • Bipolar neurons
  • Unipolar neurons
  • Which ascending sensory tract is specifically involved in proprioception?

  • Spino-tectal tract
  • Spino-reticular tract
  • Short ascending tract
  • Dorsal column tract (correct)
  • What is the main function of the short ascending sensory tracts?

    <p>Carry unconscious proprioception to the cerebellum</p> Signup and view all the answers

    Which of the following ascending pathways is typically shorter in distance to the brainstem?

    <p>Short ascending tract</p> Signup and view all the answers

    How many order neurons do the short ascending sensory tracts consist of?

    <p>Two order neurons</p> Signup and view all the answers

    Which term best describes the arrangement and layering of neurons in the dorsal column tract?

    <p>Uniform lamination</p> Signup and view all the answers

    Which of the following tracts is NOT considered a short ascending tract?

    <p>Spinothalamic tract</p> Signup and view all the answers

    What type of proprioception is carried by the short ascending tracts?

    <p>Unconscious proprioception</p> Signup and view all the answers

    Which structure receives input from the short ascending tracts for coordination of movements?

    <p>Cerebellum</p> Signup and view all the answers

    Which laminae do the central processes enter the spinal cord through?

    <p>Laminae V, VI, VII</p> Signup and view all the answers

    What is the fate of the majority of axons forming the tract as they advance in the spinal cord?

    <p>They decussate</p> Signup and view all the answers

    What type of neurons primarily enter the spinal cord through the dorsal root?

    <p>Sensory neurons</p> Signup and view all the answers

    Which pathway is primarily involved in proprioception and kinesthetic sense?

    <p>Dorsal column-medial lemniscal pathway</p> Signup and view all the answers

    Which nucleus is specifically mentioned as the endpoint for the central processes in the spinal cord?

    <p>Clarkes nucleus</p> Signup and view all the answers

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