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 (D)</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 (A)</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 (A)</p> Signup and view all the answers

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

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

Which neurotransmitters are primarily affected in basal ganglia disorders?

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

Which tracts are primarily dysfunctional in extrapyramidal disorders?

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

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