16652671
Pregunta 1
Pregunta
the cerebellum is located in the posterior cranial fossa
Respuesta
-
yes
-
no
Pregunta 2
Pregunta
the Purkinje cells are the only efferent neurons of cerebellar cortex
Respuesta
-
yes
-
no
Pregunta 3
Pregunta
the cerebellar blood supply is through branches of basilar and vertebral arteries
Respuesta
-
yes
-
no
Pregunta 4
Pregunta
the cerebellum is a derivate of the rhombencephalon
Respuesta
-
yes
-
no
Pregunta 5
Pregunta
the mossy fibers end of the Pukinje cells
Respuesta
-
yes
-
no
Pregunta 6
Pregunta
the cerebellum is a voluntary somatomotor center
Respuesta
-
yes
-
no
Pregunta 7
Pregunta
cerebellar disorders are associated with increased muscular tone
Respuesta
-
yes
-
no
Pregunta 8
Pregunta
the cerebellar vermis contains archi-, paleo-, and neocerebellar structures
Respuesta
-
yes
-
no
Pregunta 9
Pregunta
the golgi cells are excitatory cell in the cerebellar cortex
Respuesta
-
yes
-
no
Pregunta 10
Pregunta
the cerebellum contains the greatest number of neurons in the brain
Respuesta
-
yes
-
no
Pregunta 11
Pregunta
one of the following is NOT TRUE for the dentate nucleus
Respuesta
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it is in the dorsal part of the pons
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the dentorubral tract starts from it
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the dentothalamic tract starts from it
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it receives afferents from Purkinje cells
-
it receives afferents from olivocerebellar tract
Pregunta 12
Pregunta
the inferior cerebellar peduncle contains all of the following afferent connections EXCEPT the
Respuesta
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cuneocerebellar tract
-
ventral spinocerebellar tract
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dorsal spinocerebellar tract
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olivocerebellar tract
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trigeminocerebellar fibers
Pregunta 13
Pregunta
all of the following statements concerning the superior cerebellar peduncle are correct EXCEPT it
Respuesta
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connects the cerebellum to the midbrain
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is primarily an efferent bundle of fibers
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represents the major output from the cerebellum
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contains dentatothalamic fibers
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contains the juxtarestiform body
Pregunta 14
Pregunta
all of the following statements concerning the vestibulocerebellar pathway are correct EXCEPT it
Respuesta
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plays a role in the initiation, planning, and timings of voluntary motor activities
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projects via the medial longitudinal fasciculus (MLF)
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receives input from the cristae ampullares
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receives input from the maculae of the utricle and saccule
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includes the flocculonodular lobe
Pregunta 15
Pregunta
all of following statements concerning the neocerebellar pathway are correct EXCEPT
Respuesta
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the neocerebellar pathway influences the motor cortex via the ventral anterior thalamic nucleus
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the dentatothalamic tract decussates in the midbrain
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the corticopontocerebellar tract decussates in the base of the pons
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the neocerebllum expresses itself via the corticospinal tract
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the dentate nucleus is reciprocally connected with the inferior olivary nucleus
Pregunta 16
Pregunta
all of the following statements concerning the cerebellum are correct EXCEPT
Respuesta
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contains four pairs of nuclei within its medullary body
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contains two pairs of cerebellar peduncles
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consists of a midline vermis and two lateral hemispheres
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is located infratentorially within the posterior fossa
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has a three layered cortex
Pregunta 17
Pregunta
all of the following statements concerning the cerebellum are correct EXCEPT it
Respuesta
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projects to the red nucleus
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projects to vestibular nuclei
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projects to the lateral ventral nucleus of the thalamus
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receives input from the superior olivary nucleus
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receives the olivocerebellar tract via the inferior cerebellar peduncle
Pregunta 18
Pregunta
all of the following statements concerning the cerebellum are correct EXCEPT it
Respuesta
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is derived from the alar plate
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develops from the rhombic lips
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is part of the mentencephalon
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is part of the rhombencephalon
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is part of the brainstem
Pregunta 19
Pregunta
all of the following statements concerning the dentate nucleus
Respuesta
-
receives input from climbing and mossy fibers
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receives inhibitory input from Purkinje cells
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gives rise to the superior cerebellar peduncle
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gives rise to the fascia dentata (denate gyrus)
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projects to the ventral lateral nucleus of the thalamus
Pregunta 20
Pregunta
one of the following is NOT a part of neocerebellum
Respuesta
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uvula
-
lobulus simplex
-
lobulus semilunaris superior
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lobulus biventer
-
tonsil
Pregunta 21
Pregunta
the cerebellum
Respuesta
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through the inferior cerebellar peduncle receives a large number of fibres which are associated with proprioception
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has connections with the frontal lobe through the superior cerebellar peduncle and thalamus
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has no grey matter other than that of the cerebellar cortex
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has a uniform structure throughout its cortex
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receives fibres from the olivary nucleus mainly of the same side
Pregunta 22
Pregunta
the inferior cerebellar peduncles
Respuesta
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contains fibres most of which end in the cerebellar cortex
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form part of the lateral boundaries of the lower part of the fourth ventricle
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contain fibres from the opposite olivary nucleus
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are medial to the glossopharyngeal nerves
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contain fibres from the vestibular nuclei of the same side
Pregunta 23
Pregunta
the superior cerebellar peduncles
Respuesta
-
contain the fibres of the posterior spinocerebellar tract
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contain fibres whose cell bodies are usually in the cerebellar cortex
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contain fibres which go to the red nucleus
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contain fibres which decussate in the midbrain
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contain fibres which go to the thalamus
Pregunta 24
Pregunta
the following are efferents of the cerebellum
Respuesta
-
tractus cerebelloolivaris
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fibrae cerebelloreticularis
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tractus cerebellocochlearis
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tractus cerebellovestibularis
-
tractus cerebellolenticularis
Pregunta 25
Pregunta
cerebellar cortex has direct connections with
Respuesta
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vestibular nuclei
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forebrain cortex
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substantia nigra
-
nucleus ambiguus
-
red nucleus
Pregunta 26
Pregunta
the pathways ensuring feedback in the cortico-cerebellar circuit are
Respuesta
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tractus corticopontinus
-
tractus pontocerebellaris
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fibrae arcuatae
-
tractus dentatoolivaris
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fibrae thalamocorticales
Pregunta 27
Pregunta
the afferent pathways to the cerebellum convey the following sensation
Respuesta
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general conscious sensation
-
specific conscious sensation
-
general unconscious sensation
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specific unconscious sensation
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A and D
Pregunta 28
Pregunta
afferent pathways to cerebellum pass
Respuesta
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only through the middle cerebellar peduncles
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only through the middle and inferior cerbellar peduncles
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through the superior cerebellar peduncles
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only through the inferior and superior cerebellar peduncles
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through the three peduncles
Pregunta 29
Pregunta
the neocerebellum includes
Respuesta
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uvula
-
lobulus simplex
-
lobulus semilunaris superior
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lobulus biventer
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lingula
Pregunta 30
Pregunta
efferent pathways of the cerebellum reach
Respuesta
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directly the somatomotor cell of the spinal cord
-
only nuclei of the extrapyramid system
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nuclei of the extrapyramid system and diencephalon
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thalamus
-
nucleus vestibularis lateralis
Pregunta 31
Pregunta
Purkinje cells
Respuesta
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are large pyramid cells
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are efferent cells of the cerebellar cortex
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end by inhibitory synapses on the cerebellar nuclei
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their dendrites enter the molecular layer of the cerebellar cortex
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are GABA mediated
Pregunta 32
Pregunta
the afferent cerebellar pathway passing through the superior cerebellar peduncles is [blank_start]tractus spinocerebellaris ventralis[blank_end]
Respuesta
-
tractus spinocerebellaris ventralis
Pregunta 33
Pregunta
the pathway passing through the middle cerebellar peduncles is [blank_start]tractus corticocerebellaris[blank_end]
Respuesta
-
tractus corticocerebellaris
Pregunta 34
Pregunta
the pathways for proprioception from the body to the cerebellum include: [blank_start]tractus spinicerebellaris ventralis[blank_end], [blank_start]tractus spinocerebellaris dorsalis[blank_end], [blank_start]tractus cuneocerebellaris[blank_end]
Respuesta
-
tractus spinocerebellaris ventralis
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tractus spinocerebellaris dorsalis
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tractus cuneocerebellaris
Pregunta 35
Pregunta
the glial cells in the cerebellum are presented by: [blank_start]bergman[blank_end], [blank_start]fananas cells[blank_end]
Respuesta
-
bergman
-
fananas cells
Pregunta 36
Pregunta
the purkinje cells receive excitatory impulses from [blank_start]granule cells[blank_end], [blank_start]climbing fibers[blank_end]
Respuesta
-
granule cells
-
climbing fibers
Pregunta 37
Pregunta
the archicerebellum includes the following cerebellar lobules: [blank_start]floculus[blank_end], [blank_start]nodulus[blank_end], [blank_start]lingula[blank_end]
Respuesta
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flocculus
-
nodulus
-
lingula
Pregunta 38
Pregunta
phylogenically the oldest part of the cerebellum is called [blank_start]archicerebellum[blank_end]
Respuesta
-
archicerebellum
Pregunta 39
Pregunta
the trunco-cerebellar feedback circuit includes the following pathways: [blank_start]tractus cerebellorubralis[blank_end], [blank_start]tractus rubroolivaris[blank_end], [blank_start]tractus olivocerebellaris[blank_end]
Respuesta
-
tractus cerebellorubralis
-
tractus rubroolivaris
-
tractus olivocerebellaris
Pregunta 40
Pregunta
the pathways forming the vestibulo-cerebellar feedback circuit are: [blank_start]tractus cerebellovestibularis[blank_end], [blank_start]tractus vestibulocerebellaris[blank_end]
Respuesta
-
tractus cerebellovestibularis
-
tractus vestibulocerebellaris
Pregunta 41
Pregunta
[blank_start]gama-amino butyric[blank_end] acid: [blank_start]basket cells[blank_end], [blank_start]stellate cells[blank_end], [blank_start]purkinje cells[blank_end], [blank_start]golgi cells[blank_end]
glutamate: [blank_start]granule cells[blank_end]
Respuesta
-
gama-amino butyric
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basket cells
-
stellate cells
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purkinje cells
-
golgi cells
-
granule cells
Pregunta 42
Pregunta
pedunculus cerebellaris superior: [blank_start]tractus spinocerebellaris ventralis[blank_end], [blank_start]tractus cerebellorubralis[blank_end]
pedunculus cerebellaris medius: [blank_start]tractus pontocerebellaris[blank_end]
pedunculus cerebellaris inferior: [blank_start]tractus spinocerebellaris dorsalis[blank_end]
Respuesta
-
tractus spinocerebellaris ventralis
-
tractus cerebellorubralis
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tractus pontocerebellaris
-
tractus spinocerebellaris dorsalis
Pregunta 43
Pregunta
declive: [blank_start]lobulus simplex[blank_end]
uvula: [blank_start]tonsilla[blank_end]
pyramis: [blank_start]lobulus biventer[blank_end]
folium: [blank_start]lobulus semilunaris superior[blank_end]
Respuesta
-
lobulus simplex
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tonsilla
-
lobulus biventer
-
lobulus semilunaris superior
Pregunta 44
Pregunta
molecular layer: [blank_start]basket cells[blank_end], [blank_start]stellate cells[blank_end]
ganglionic layer: [blank_start]purkinje cells[blank_end]
granular cells layer: [blank_start]granule cells[blank_end], [blank_start]golgi cells[blank_end]
Respuesta
-
basket cells
-
stellate cells
-
purkinje cells
-
granule cells
-
golgi cells
Pregunta 45
Pregunta
archicerebellum: [blank_start]flocculus[blank_end], [blank_start]lingula[blank_end]
paleocerebellum: [blank_start]ala lobuli centralis[blank_end]
neocerebellum: [blank_start]lobulus biventer[blank_end]
Respuesta
-
flocculus
-
lingula
-
ala lobuli centralis
-
lobulus biventer
Pregunta 46
Pregunta
archicerebellum: [blank_start]balance[blank_end]
paleocerebellum: [blank_start]tone of skeletal muscles[blank_end]
neocerebellum: [blank_start]coordination of movements[blank_end]
Respuesta
-
balance
-
tone of skeletal muscles
-
coordination of movements
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