Basal Nuclei

Presentation

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Specialty

•

University

•

Medium

Cerebrum Zeitung

Used 4+ times

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26 Slides • 10 Questions

Multiple Choice

A 56-year-old woman presents with a stroke involving the medial striate artery (of Heubner). Which of the following areas are likely to be affected?

Areas A and B

Areas B and C

Areas C and D

Areas D and E

Areas E and F

Multiple Choice

The caudate and putamen are collectively known as:

Striatum

Globus pallidus

Subthalmic nucleus

Substantia nigra

Multiple Choice

A 36-year-old woman presents with a tumor affecting the lateral wall of

the anterior horn of the lateral ventricle. Which of the following structures

might be affected?

Caudate nucleus, head

Caudate nucleus, tail

Putamen

Globus pallidus

Dorsomedial nucleus of thalamus

Multiple Choice

A 52-year-old female patient presents with violent and flinging movements of his left upper limb. The abnormal movements started about a week ago and seem to primarily affect his proximal limb muscles. Which of the following structures is the origin of this patient's abnormal movement?

Caudate

Subthalamic nucleus

Substantia nigra

Motor cortex

Globus pallidus internal

Multiple Choice

At rest, the globus pallidus internus (GPi) ____the thalamus

•Excites

•Inhibits

•Both of the above

Multiple Choice

Which of the following is the correct sequence of structures in the direct pathway of movement?

Cortex, striatum, globus pallidus pars externa, subthalamic nucleus, thalamus, cortex

Cortex, striatum, globus pallidus pars interna, subthalamic nucleus, thalamus, cortex

Cortex, striatum, globus pallidus pars interna, thalamus, cortex

Cortex, striatum, globus pallidus pars interna, subthalamic nucleus, globus pallidus, pars externa, thalamus, cortex

Cortex, globus pallidus pars externa, striatum, subthalamic nucleus, thalamus, cortex

Multiple Choice

Fill in the blank: The basal ganglia indirect

pathway involves _______________ and then the

_______________.

The globus pallidus externa and then the subthalamic

nucleus

The globus pallidus interna and then the subthalamic

nucleus

The substantia nigra pars compacta and then the substantia

nigra pars reticularis

The raphe nucleus and then the substantia nigra pars

compacta

Multiple Choice

The substantia nigra activates the D1/2 pathway via the

Nigrostriatal pathway

Corticostriatal pathway

Thalamocortical pathway

None of the above

Multiple Choice

D1 and D2 receptors are located where in the basal ganglia?

Putamen

Substantia nigra

Subthalamic nucleus

Thalamus

Multiple Choice

An increase in D1/direct pathway will lead to

Slower movements

Faster movements

More finer/coordinated movement

•None of the above

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