Pregunta 1
Pregunta
The cerebellum is located in the posterior cranial fossa:
Pregunta 2
Pregunta
The Purkinje cells are the only efferent neurons of cerebellar cortex
Pregunta 3
Pregunta
The cerebellar blood supply is through branches of basilar and vertebral arteries:
Pregunta 4
Pregunta
The cerebellum is a derivate of the rhombencephalon.
Pregunta 5
Pregunta
The mossy fibers end on the purkinje cells.
Pregunta 6
Pregunta
The cerebellum is a voluntary somatomotor center.
Pregunta 7
Pregunta
Cerebellar disorders are associated with increased muscular tone.
Pregunta 8
Pregunta
The cerebellar vermis contains archi-, paleo- and neocerebellar structures.
Pregunta 9
Pregunta
The golgi cells are excitatory cell in the cerebellar cortex.
Pregunta 10
Pregunta
The cerebellum contains the greatest number of neurons in the brain.
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.
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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
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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
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 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 neocerebellum expresses itself via the corticospinal tract
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The dentate nucleus is reciprocally connected with the inferior olivary nucleus
Pregunta 15
Pregunta
All of the following statements concerning the cerebellum are correct EXCEPT it
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 16
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 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
Pregunta 17
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 metencephalon
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Is part of the rhombencephalon
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Is part of the brainstem
Pregunta 18
Pregunta
All of the following statements concerning the dentate nucleus are correct EXCEPT it
Respuesta
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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
Pregunta 19
Pregunta
One of the following is NOT a part of neocerebellum:
Pregunta 20
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 21
Pregunta
The inferior cerebellar peduncles
Respuesta
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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.
Pregunta 22
Pregunta
The superior cerebellar peduncles
Respuesta
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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.
Pregunta 23
Pregunta
The following are efferents of the cerebellum:
Respuesta
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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
Pregunta 24
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
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Nucleus ambiguus
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Red Nucleus
Pregunta 25
Pregunta
The pathway ensuring feedback in the cortico-cerebellar circuit are:
Pregunta 26
Pregunta
The afferent pathways to the cerebellum convey the following sensation:
Respuesta
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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
Pregunta 27
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 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
Pregunta 28
Pregunta
The neocerebellum includes
Pregunta 29
Pregunta
Efferent pathways of the cerebellum reach
Respuesta
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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
Pregunta 30
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