Extrapyramidal System and Motor Functions Quiz

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Questions and Answers

Where do the extrapyramidal tracts terminate?

  • Lower motor neurons (correct)
  • Cerebral cortex
  • Cranial nerve nuclei
  • Cerebellum

Which brainstem nucleus is involved in the origin of the extrapyramidal system?

  • Hypothalamus
  • Superior colliculus
  • Red nucleus (correct)
  • Olfactory bulb

What controls the extrapyramidal system along with cortical motor areas?

  • Cerebellum
  • Thalamus
  • Basal ganglia (correct)
  • Hippocampus

Which of the following is NOT part of the origin of the extrapyramidal system?

<p>Cerebral cortex (B)</p> Signup and view all the answers

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Study Notes

Extrapyramidal System

  • The extrapyramidal tracts terminate in the spinal cord, basal ganglia, and cerebellum.
  • The brainstem nucleus involved in the origin of the extrapyramidal system is the basal pontine nucleus.
  • The extrapyramidal system is controlled by the basal ganglia, along with cortical motor areas.
  • The following is NOT part of the origin of the extrapyramidal system: dorsal column-medial lemniscal system.

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