Questão 1
Questão
The cerebellum is located in the posterior cranial fossa:
Questão 2
Questão
The Purkinje cells are the only efferent neurons of cerebellar cortex
Questão 3
Questão
The cerebellar blood supply is through branches of basilar and vertebral arteries:
Questão 4
Questão
The cerebellum is a derivate of the rhombencephalon.
Questão 5
Questão
The mossy fibers end on the purkinje cells.
Questão 6
Questão
The cerebellum is a voluntary somatomotor center.
Questão 7
Questão
Cerebellar disorders are associated with increased muscular tone.
Questão 8
Questão
The cerebellar vermis contains archi-, paleo- and neocerebellar structures.
Questão 9
Questão
The golgi cells are excitatory cell in the cerebellar cortex.
Questão 10
Questão
The cerebellum contains the greatest number of neurons in the brain.
Questão 11
Questão
One of the following is NOT TRUE for the dentate nucleus
Responda
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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.
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It receives afferents from olivocerebellar tract
Questão 12
Questão
The inferior cerebellar peduncle contains all of the following afferent connections EXCEPT the
Responda
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Cuneocerebellar tract
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Ventral spinocerebellar tract
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Dorsal spinocerebellar tract
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Olivocerebellar tract
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Trigeminocerebellar fibers
Questão 13
Questão
All of the following statements concerning the superior cerebellar peduncle are correct EXCEPT it
Responda
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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
Questão 14
Questão
All of the following statements concerning the neocerebellar pathway are correct EXCEPT
Responda
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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 neocerebellum expresses itself via the corticospinal tract
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The dentate nucleus is reciprocally connected with the inferior olivary nucleus
Questão 15
Questão
All of the following statements concerning the cerebellum are correct EXCEPT it
Responda
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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
Questão 16
Questão
All of the following statements concerning the cerebellum are correct EXCEPT it
Responda
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Projects to the red nucleus
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Projects to the vesticular 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
Questão 17
Questão
All of the following statements concerning the cerebellum are correct EXCEPT it
Responda
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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 metencephalon
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Is part of the rhombencephalon
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Is part of the brainstem
Questão 18
Questão
All of the following statements concerning the dentate nucleus are correct EXCEPT it
Responda
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Receives input from climbing the 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 (dentate gyrus)
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Projects to the ventral lateral nucleus of the thalamus
Questão 19
Questão
One of the following is NOT a part of neocerebellum:
Questão 20
Responda
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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.
Questão 21
Questão
The inferior cerebellar peduncles
Responda
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Contain 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.
Questão 22
Questão
The superior cerebellar peduncles
Responda
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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.
Questão 23
Questão
The following are efferents of the cerebellum:
Responda
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Tractus cerebelloolivaris
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Fibrae cerebelloreticularis
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Tractus cerebellocochlearis
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Tractus cerebellovestibularis
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Tractus cerebellolenticularis
Questão 24
Questão
Cerebellar cortex has direct connections with
Responda
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Vestibular nuclei
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Forebrain cortex
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Substantia nigra
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Nucleus ambiguus
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Red Nucleus
Questão 25
Questão
The pathway ensuring feedback in the cortico-cerebellar circuit are:
Questão 26
Questão
The afferent pathways to the cerebellum convey the following sensation:
Responda
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General conscious sensation
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Specific conscious sensation
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General unconscious sensation
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Specific unconscious sensation
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A and D
Questão 27
Questão
Afferent pathways to cerebellum pass:
Responda
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Only through the middle cerebellar peduncles
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Only through the middle and inferior cerebellar 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
Questão 28
Questão
The neocerebellum includes
Questão 29
Questão
Efferent pathways of the cerebellum reach
Responda
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Directly the somatomotor cell of the spinal cord
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Only nuclei of the extrapyramid system
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Nuclei of the extrapyramid system and diencephalon
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Thalamus
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Nucleus vestibularis lateralis
Questão 30
Responda
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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