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PMU - 2nd/2t Semester Anatomy - CNS (Cerebellum)

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MCQ questions upload - 2nd semester/2nd test - PMU
Sole C
Quiz por Sole C, atualizado more than 1 year ago
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Resumo de Recurso

Questão 1

Questão
The cerebellum is located in the posterior cranial fossa:
Responda
  • True
  • False

Questão 2

Questão
The Purkinje cells are the only efferent neurons of cerebellar cortex
Responda
  • True
  • False

Questão 3

Questão
The cerebellar blood supply is through branches of basilar and vertebral arteries:
Responda
  • True
  • False

Questão 4

Questão
The cerebellum is a derivate of the rhombencephalon.
Responda
  • True
  • False

Questão 5

Questão
The mossy fibers end on the purkinje cells.
Responda
  • True
  • False

Questão 6

Questão
The cerebellum is a voluntary somatomotor center.
Responda
  • True
  • False

Questão 7

Questão
Cerebellar disorders are associated with increased muscular tone.
Responda
  • True
  • False

Questão 8

Questão
The cerebellar vermis contains archi-, paleo- and neocerebellar structures.
Responda
  • True
  • False

Questão 9

Questão
The golgi cells are excitatory cell in the cerebellar cortex.
Responda
  • True
  • False

Questão 10

Questão
The cerebellum contains the greatest number of neurons in the brain.
Responda
  • True
  • False

Questão 11

Questão
One of the following is NOT TRUE for the dentate nucleus
Responda
  • It is in the dorsal part of the pons
  • The dentorubral tract starts from it.
  • The dentothalamic tract starts from it.
  • It receives afferents from Purkinje cells.
  • It receives afferents from olivocerebellar tract

Questão 12

Questão
The inferior cerebellar peduncle contains all of the following afferent connections EXCEPT the
Responda
  • Cuneocerebellar tract
  • Ventral spinocerebellar tract
  • Dorsal spinocerebellar tract
  • Olivocerebellar tract
  • Trigeminocerebellar fibers

Questão 13

Questão
All of the following statements concerning the superior cerebellar peduncle are correct EXCEPT it
Responda
  • Connects the cerebellum to the midbrain
  • Is primarily an efferent bundle of fibers
  • Represents the major output from the cerebellum
  • Contains dentatothalamic fibers
  • Contains the juxtarestiform body

Questão 14

Questão
All of the following statements concerning the neocerebellar pathway are correct EXCEPT
Responda
  • The neocerebellar pathway influences the motor cortex via the ventral anterior thalamic nucleus
  • The dentatothalamic tract decussates in the midbrain
  • The corticopontocerebellar tract decussates in the base of the pons
  • The neocerebellum expresses itself via the corticospinal tract
  • 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
  • Contains four pairs of nuclei within its medullary body
  • Contains two pairs of cerebellar peduncles
  • Consists of a midline vermis and two lateral hemispheres
  • Is located infratentorially within the posterior fossa
  • Has a three-layered cortex

Questão 16

Questão
All of the following statements concerning the cerebellum are correct EXCEPT it
Responda
  • Projects to the red nucleus
  • Projects to the vesticular nuclei
  • Projects to the lateral ventral nucleus of the thalamus
  • Receives input from the superior olivary nucleus
  • 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
  • Is derived from the alar plate
  • Develops from the rhombic lips
  • Is part of the metencephalon
  • Is part of the rhombencephalon
  • Is part of the brainstem

Questão 18

Questão
All of the following statements concerning the dentate nucleus are correct EXCEPT it
Responda
  • Receives input from climbing the mossy fibers
  • Receives inhibitory input from Purkinje cells
  • Gives rise to the superior cerebellar peduncle
  • Gives rise to the fascia dentata (dentate gyrus)
  • Projects to the ventral lateral nucleus of the thalamus

Questão 19

Questão
One of the following is NOT a part of neocerebellum:
Responda
  • Uvula
  • Lobulus simplex
  • Lobulus semilunaris superior
  • Lobulus biventer
  • Tonsil

Questão 20

Questão
The cerebellum:
Responda
  • Through the inferior cerebellar peduncle receives a large number of fibres which are associated with proprioception
  • Has connections with the frontal lobe through the superior cerebellar peduncle and thalamus
  • Has no grey matter other than that of the cerebellar cortex
  • Has a uniform structure throughout its cortex
  • Receives fibres from the olivary nucleus mainly of the same side.

Questão 21

Questão
The inferior cerebellar peduncles
Responda
  • Contain fibres most of which end in the cerebellar cortex
  • Form part of the lateral boundaries of the lower part of the fourth ventricle.
  • Contain fibres from the opposite olivary nucleus
  • Are medial to the glossopharyngeal nerves
  • Contain fibres from the vestibular nuclei of the same side.

Questão 22

Questão
The superior cerebellar peduncles
Responda
  • Contain the fibres of the posterior spinocerebellar tract
  • Contain fibres whose cell bodies are usually in the cerebellar cortex
  • Contain fibres which go to the red nucleus
  • Contain fibres which decussate in the midbrain
  • Contain fibres which go to the thalamus.

Questão 23

Questão
The following are efferents of the cerebellum:
Responda
  • Tractus cerebelloolivaris
  • Fibrae cerebelloreticularis
  • Tractus cerebellocochlearis
  • Tractus cerebellovestibularis
  • Tractus cerebellolenticularis

Questão 24

Questão
Cerebellar cortex has direct connections with
Responda
  • Vestibular nuclei
  • Forebrain cortex
  • Substantia nigra
  • Nucleus ambiguus
  • Red Nucleus

Questão 25

Questão
The pathway ensuring feedback in the cortico-cerebellar circuit are:
Responda
  • Tractus corticopontinus
  • Tractus pontocerebellaris
  • Fibae arcuatae
  • Tractus dentatoolivaris
  • Fibrae thalamocorticales

Questão 26

Questão
The afferent pathways to the cerebellum convey the following sensation:
Responda
  • General conscious sensation
  • Specific conscious sensation
  • General unconscious sensation
  • Specific unconscious sensation
  • A and D

Questão 27

Questão
Afferent pathways to cerebellum pass:
Responda
  • Only through the middle cerebellar peduncles
  • Only through the middle and inferior cerebellar peduncles
  • Through the superior cerebellar peduncles
  • Only through the inferior and superior cerebellar peduncles) .
  • Through the three peduncles

Questão 28

Questão
The neocerebellum includes
Responda
  • Uvula
  • Lobulus simplex
  • Lobulus semilunaris superior
  • Lobulus biventer
  • Lingula

Questão 29

Questão
Efferent pathways of the cerebellum reach
Responda
  • Directly the somatomotor cell of the spinal cord
  • Only nuclei of the extrapyramid system
  • Nuclei of the extrapyramid system and diencephalon
  • Thalamus
  • Nucleus vestibularis lateralis

Questão 30

Questão
Purkinje cells:
Responda
  • Are large pyramid cells
  • Are efferent cells of the cerebellar cortex
  • End by inhibitory synapses on the cerebellar nuclei
  • Their dendrites enter the molecular layer of the cerebellar cortex
  • Are GABA mediated

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