Movement Disorders in Neurology
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Questions and Answers

Which structure is not part of the corticocortical loop?

  • Thalamus
  • Caudate and putamen
  • Internal segment of the globus pallidus
  • Substantia nigra (correct)
  • Which loop connects the caudate and putamen with the external segment of the globus pallidus?

  • Corticocortical loop
  • Striatopallidal loop (correct)
  • Nigrostriatal loop
  • Extrapyramidal tracts
  • Which of the following is an example of hypokinesia?

  • Rigidity (correct)
  • Athetosis
  • Tremor
  • Chorea
  • In which type of tremor is there alternating flexion and extension of the fingers or hand, worse at rest but reduced with voluntary movement?

    <p>Resting (akinetic) tremor</p> Signup and view all the answers

    Which type of tremor is noted on posture and with movement, and may be improved by alcohol?

    <p>Essential tremor</p> Signup and view all the answers

    Which part of the brain is primarily affected in movement disorders such as ataxias and movement abnormalities associated with cerebellar system disorders?

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

    What is the main feature of extrapyramidal disorders (EPD)?

    <p>Impairing the regulation of voluntary motor activity</p> Signup and view all the answers

    Which neurotransmitters are primarily affected in basal ganglia disorders?

    <p>Dopamine and acetylcholine</p> Signup and view all the answers

    What are the structures that comprise the basal ganglia?

    <p>Caudate nucleus, putamen, globus pallidus, subthalamic nucleus, and substantia nigra</p> Signup and view all the answers

    Which tracts are primarily dysfunctional in extrapyramidal disorders?

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

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