DISORDERS OF THE CEREBELLUM Flashcards by Verna Maria Francesca Banal

The spinocerebellum is consist of the following EXCEPT:

A. Uvula
B. Anterior lobe of the vermis
C. Pyramids
D. Middle portion of the vermis

D. Middle portion of the vermis

How well did you know this?

Not at all

Perfectly

Controls muscle tone and axial and limb movements.

A. Paleocerebellum
B. Archicerebellum
C. Neocerebellum
D. Vestibulocerebellum

A. Paleocerebellum

How well did you know this?

Not at all

Perfectly

Planning and initiation of movements as well as regulation of fine limb movements.

A. Archicerebellum
B. Neocerebellum
C. Spinocerebellum
D. Vestibulocerebellum

B. Neocerebellum

How well did you know this?

Not at all

Perfectly

The archicerebellum plays a role in the ______________.

A. Eye movements
B. Control of muscle tone
C. Body equilibrium
D. Both A and C

D. Both A and C

How well did you know this?

Not at all

Perfectly

Output of the cerebellum.

Purkinje cell

How well did you know this?

Not at all

Perfectly

Main neurotransmitter of cerebellum.

Y-ABA

How well did you know this?

Not at all

Perfectly

From lateral to medial.

A. Emboliform, Globose, Fastigial, Dentate
B. Dentate, Emboliform, Globose, Fastigial
C. Fastigial, Globose, Emboliform, Dentate
D. Dentate, Fastigial, Globose, Emboliform

B. Dentate, Emboliform, Globose, Fastigial

How well did you know this?

Not at all

Perfectly

Afferent fibers form the greater part of the white matter proceed to the cerebellar cortex; enter through the _________ and ___________ cerebellar peduncles.

A. Inferior, Superior
B. Inferior, Middle
C. Middle, Superior
D. All of the choices are correct.

B. Inferior, Middle

How well did you know this?

Not at all

Perfectly

Also known as the brachium pontis.

Middle cerebellar peduncle

How well did you know this?

Not at all

Perfectly

Connects the body to the medulla oblongata. Also known as the restiform body.

Inferior cerebellar peduncle

How well did you know this?

Not at all

Perfectly

The following are afferent tracts of the inferior cerebellar peduncle EXCEPT:

A. Arcuatocerebellar
B. Dorsal spinocerebellar
C. Ventral spinocerebellar
D. Olivocerebellar

C. Ventral spinocerebellar

How well did you know this?

Not at all

Perfectly

Fibers from the pontocerebellar tract go through ___________ as its afferent tracts.

A. Superior cerebellar peduncle
B. Inferior cerebellar peduncle
C. Middle cerebellar peduncle
D. None of the above.

C. Middle cerebellar peduncle

How well did you know this?

Not at all

Perfectly

The following are efferent tracts of the superior cerebellar peduncle EXCEPT:

A. Dentatorubral
B. Dentatothalamic
C. Fastigiobulbar
D. Uncinate bundle of Russell

C. Fastigiobulbar

How well did you know this?

Not at all

Perfectly

Incoordination of volitional movement.

Ataxia

How well did you know this?

Not at all

Perfectly

Lack of synergy of the various muscle components. Characterized by disjointed and clumsy movemenys.

Asynergia

How well did you know this?

Not at all

Perfectly

Abnormalities in the rate, range, and force of movement.

Dysmteria

Inability to do rapid alternating movements.

Dysdiadochokinesia

Depression of the gamma and alpha motor neurons activity and the LEAST evident of the cerebellar abnormalities.

Hypotonia

TRUE or FALSE: Hypotonia is more apparent with acute than chronic lesions.

TRUE

Overshooting the target.

Hypermetria

Variable intonation and abnormalities in articulation

Scanning dysarthia

Nystagmus characterized by lesions on the uvula and nodulus.

Periodic alternating nystagmus

Posterior midline lesions causes this type of nystagmus.

Downbeat nystagmus

The following are manifestations of disorders of equilibrium and gait of cerebellar lesions EXCEPT:

A. Impaired tandem walking
B. It is possible to stand with feet together.
C. Wide-based stance with increased trunk sway
D. Uneven and misaligned foot placement when walking.

B. It is possible to stand with feet together.

Bilateral signs of cerebellar dysfunction affecting the trunk, limbs, and cranial musculature. A. Caudal vermis syndrome B. Pancerebellar syndrome C. Rostral vermis syndrome D. Hemispheric syndrome

B. Pancerebellar syndrome

Incoordination of ipsilateral movements. A. Caudal vermis syndrome B. Pancerebellar syndrome C. Rostral vermis syndrome D. Hemispheric syndrome

D. Hemispheric syndrome

Some of the manifestations are: Wide-based stance and titubating gait; normal or only slightly impaired arm coordination. A. Caudal vermis syndrome B. Pancerebellar syndrome C. Rostral vermis syndrome D. Hemispheric syndrome

C. Rostral vermis syndrome

Axial disequilibrium and staggering gait. A. Caudal vermis syndrome B. Pancerebellar syndrome C. Rostral vermis syndrome D. Hemispheric syndrome

A. Caudal vermis syndrome

TRUE or FALSE: Around 20% of metastases occur in the posterior fossa.

TRUE

Arises in the posterior part of the vermis and neuroepithelial roof of the 4th ventricle.

Medullablastoma

Associated with von Hippel-Lindau disease.

Hemangioblastoma

Which are the following are NOT paired correctly regarding occurrence cerebellar strokes: A. PICA - 40% B. AICA - 40% C. AICA - 5% D. SCA - 35%

B. AICA - 40%

Cerebellar hemorrhages often occur in... A. Thalamus B. Cerebellar hemisphere C. Putamen and adjacent internal capsule D. Pons

C. Putamen and adjacent internal capsule