Neuroscience Quiz: Motor and Sensory Tracts
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Questions and Answers

What type of tract is the lateral corticospinal tract classified as?

  • Pyramidal tract (correct)
  • Ascending tract
  • Special sensory tract
  • Extrapyramidal tract
  • Which of the following tracts is NOT classified as an extrapyramidal tract?

  • Tectospinal tract
  • Lateral vestibulospinal tract
  • Anterior corticospinal tract (correct)
  • Rubrospinal tract
  • Which class of sensory receptors responds to stimuli such as pain and temperature?

  • Interoceptors
  • Special sense receptors
  • Proprioceptors
  • Exteroceptors (correct)
  • What type of information do proprioceptors provide?

    <p>Internal body sensations</p> Signup and view all the answers

    Which of the following is part of the extrapyramidal tracts?

    <p>Lateral reticulospinal tract</p> Signup and view all the answers

    What type of tracts are primarily involved in skillful voluntary movements?

    <p>Pyramidal tracts</p> Signup and view all the answers

    Where does the lateral corticospinal tract primarily originate?

    <p>Motor area of the cortex</p> Signup and view all the answers

    What percentage of fibers in the pyramidal tract decussate in the medulla oblongata?

    <p>80%</p> Signup and view all the answers

    Which descending tract is an efferent pathway for the cerebellum?

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

    What function does the medial reticulospinal tract facilitate?

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

    In which part of the spinal cord is the anterior corticospinal tract located?

    <p>Anterior funiculus</p> Signup and view all the answers

    Which tract is involved in equilibratory control?

    <p>Lateral vestibulospinal tract</p> Signup and view all the answers

    What is the primary role of the lateral corticospinal tract?

    <p>Facilitate flexors</p> Signup and view all the answers

    Which tract originates from the red nucleus of the midbrain?

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

    Which descending tract is responsible for visual reflexes?

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

    What type of fiber connection do both pyramidal and extrapyramidal tracts establish?

    <p>Connecting gray matter masses</p> Signup and view all the answers

    Which tract appears to have an inferred function related to extensors?

    <p>Lateral reticulospinal tract</p> Signup and view all the answers

    What is another name for some tracts within the spinal cord?

    <p>Both A and B</p> Signup and view all the answers

    Which part of the spinal cord do alpha motor neurons terminate in?

    <p>Anterior grey column</p> Signup and view all the answers

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