Cerebellum And Cerebellar Pathways Flashcards
The lesion here will have an upbeat, rebound with abnormal kinetic nystagmus effect.
A. Uvula
B. Posterior midline cerebellum
C. Midline cerebellum
C
Downbeat nystagmus is the effect of this lesion. A. Anterior midline cerebellum B. Posterior midline cerebellum C. Midline cerebellum D. Uvula
B
Least evident cerebellar abnormality
A. Ataxia
B. Hypotonia
C. Dysmetria
B
It occurs usually from ethanol or drug intoxication
Pancerebellar syndrome
TN: ALL SYNDROME occurs from TUMOR/STROKE except pancerebellar syndrome
Abnormalities in the rhythm of rapid alternating movements
Adiodochokinesis
Separates 2 lateral lobes of cerebellum
Vermis
Bilateral signs affecting the trunk, limbs and cranial musculature A. Pancerebellar syndrome B. Caudal syndrome C. Rostral vermis syndrome D. Hemispheric syndrome
A
TRUE or FALSE. Hemispheric syndrome:
- Ataxia
- Neoplasms
- Abscesses
- Hypoglycemia
- Infarcts
- Hypothermia
- F
- T
- T
- F
- T
- F
Cerebellar sign per excellence
Ataxia
Narrow, ridge-like folds of cerebellum
Folia
Contralateral lesion (similar to dysarthria from corticospinal disorder
Slurring Dysarthria
Abnormalities in RATE, RANGE and FORCE in movements
Dysmetria
Disturbance of ocular movement will lead to: (TRUE or FALSE)
- Slower smooth pursuit movements
- Ocular flutter
- Opsoclonus
- Circular waves at rest
- Skew deviation
- Inability to hold gaze
- Failure to suppress the vestibulocochlear reflex
- T
- T
- T
- F - square wave
- T
- F - eccentric gaze
- F - vestibulo-ocular reflex
A kind of ataxic tremor that overshoot the target
Hypermetria
Axial disequilibrium A. Pancerebellar syndrome B. Hemispheric syndrome C. Rostral vermis syndrome D. Caudal syndrome
D
Lack of operation in performing more complex movement A. Synergic B. Adiodochokinesis C. Dysarthria D. Asynergia
D
It has a periodic alternating nystagmus effect A. Posterior midline cerebellar lesion B. Anterior midline cerebellar lesion C. Midline cerebellar lesion D. Uvula and nodule lesion
D
Positive in all cerebellar test and has hemispheric syndrome deficits will result to ___________________
Bidirectional nystagmus
*course to the side of lesion
The following are its functions EXCEPT:
A. Receive contralateral inputs both sensory and special sensory pathway
B. Coordinate skilled voluntary
C. Does not influence motor neurons directly
A - it receives COLLATERAL inputs
Rhythmic tremor of the head three to four per second
Titubation
True or False. Speech production is often with excessive facial grimacing.
True
Impairment of the check reflex A. Ataxia B. Dysmetria C. Hypotonia D. Dysarthria
C
Wide based stance and titubating gait A. Caudal syndrome B. Hemispheric syndrome C. Rostral vermis syndrome D. Pancerebellar syndrome
C
True or False. Rostral vermis syndrome has presence of hypotonia, nystagmus and dysarthria.
False - unfrequent presence
Disorder of equilibrium and gait has these following effects. (TRUE or FALSE)
- Cannot walk
- Wide based stance with decreased trunk sway
- Regular stepping
- Impossible standing with feet together
- Uneven steps and misaligned placement of foot
- F - can walk but impaired tandem walking
- F - increased trunk sway
- F - irregular stepping
- T
- T
Rapid involuntary oscillation of eyeball
A. Opsoclonus
B. Nystagmus
B
Incoordination of ipsilateral appendicular movements A. Hemispheric syndrome B. Rostral vermis syndrome C. Caudal syndrome D. Pancerebellar syndrome
A
Prosody and abnormalities in articulation
Scanning dysarthria
Depression of gamma and alpha motor neuron A. Hypertonia B. Dysarthria C. Ataxia D. Hypotonia
D
True or False. Cerebellum is adjacent to aqueduct of sylvius.
False. 4TH VENTRICLE
The cerebellum is located behind the ____________________.
Dorsal aspect of pons and medulla
Separated from cerebrum (occipital lobe) by ____________.
Tentorium
