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Questions and Answers
Which structure is not part of the corticocortical loop?
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?
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?
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?
In which type of tremor is there alternating flexion and extension of the fingers or hand, worse at rest but reduced with voluntary movement?
Which type of tremor is noted on posture and with movement, and may be improved by alcohol?
Which type of tremor is noted on posture and with movement, and may be improved by alcohol?
Which part of the brain is primarily affected in movement disorders such as ataxias and movement abnormalities associated with cerebellar system disorders?
Which part of the brain is primarily affected in movement disorders such as ataxias and movement abnormalities associated with cerebellar system disorders?
What is the main feature of extrapyramidal disorders (EPD)?
What is the main feature of extrapyramidal disorders (EPD)?
Which neurotransmitters are primarily affected in basal ganglia disorders?
Which neurotransmitters are primarily affected in basal ganglia disorders?
What are the structures that comprise the basal ganglia?
What are the structures that comprise the basal ganglia?
Which tracts are primarily dysfunctional in extrapyramidal disorders?
Which tracts are primarily dysfunctional in extrapyramidal disorders?