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

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MCQ questions upload - 2nd semester/2nd test - PMU
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Resumen del Recurso

Pregunta 1

Pregunta
The cerebellum is located in the posterior cranial fossa:
Respuesta
  • True
  • False

Pregunta 2

Pregunta
The Purkinje cells are the only efferent neurons of cerebellar cortex
Respuesta
  • True
  • False

Pregunta 3

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

Pregunta 4

Pregunta
The cerebellum is a derivate of the rhombencephalon.
Respuesta
  • True
  • False

Pregunta 5

Pregunta
The mossy fibers end on the purkinje cells.
Respuesta
  • True
  • False

Pregunta 6

Pregunta
The cerebellum is a voluntary somatomotor center.
Respuesta
  • True
  • False

Pregunta 7

Pregunta
Cerebellar disorders are associated with increased muscular tone.
Respuesta
  • True
  • False

Pregunta 8

Pregunta
The cerebellar vermis contains archi-, paleo- and neocerebellar structures.
Respuesta
  • True
  • False

Pregunta 9

Pregunta
The golgi cells are excitatory cell in the cerebellar cortex.
Respuesta
  • True
  • False

Pregunta 10

Pregunta
The cerebellum contains the greatest number of neurons in the brain.
Respuesta
  • True
  • False

Pregunta 11

Pregunta
One of the following is NOT TRUE for the dentate nucleus
Respuesta
  • 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

Pregunta 12

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

Pregunta 13

Pregunta
All of the following statements concerning the superior cerebellar peduncle are correct EXCEPT it
Respuesta
  • 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

Pregunta 14

Pregunta
All of the following statements concerning the neocerebellar pathway are correct EXCEPT
Respuesta
  • 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

Pregunta 15

Pregunta
All of the following statements concerning the cerebellum are correct EXCEPT it
Respuesta
  • 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

Pregunta 16

Pregunta
All of the following statements concerning the cerebellum are correct EXCEPT it
Respuesta
  • 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

Pregunta 17

Pregunta
All of the following statements concerning the cerebellum are correct EXCEPT it
Respuesta
  • 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

Pregunta 18

Pregunta
All of the following statements concerning the dentate nucleus are correct EXCEPT it
Respuesta
  • 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

Pregunta 19

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

Pregunta 20

Pregunta
The cerebellum:
Respuesta
  • 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.

Pregunta 21

Pregunta
The inferior cerebellar peduncles
Respuesta
  • 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.

Pregunta 22

Pregunta
The superior cerebellar peduncles
Respuesta
  • 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.

Pregunta 23

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

Pregunta 24

Pregunta
Cerebellar cortex has direct connections with
Respuesta
  • Vestibular nuclei
  • Forebrain cortex
  • Substantia nigra
  • Nucleus ambiguus
  • Red Nucleus

Pregunta 25

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

Pregunta 26

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

Pregunta 27

Pregunta
Afferent pathways to cerebellum pass:
Respuesta
  • 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

Pregunta 28

Pregunta
The neocerebellum includes
Respuesta
  • Uvula
  • Lobulus simplex
  • Lobulus semilunaris superior
  • Lobulus biventer
  • Lingula

Pregunta 29

Pregunta
Efferent pathways of the cerebellum reach
Respuesta
  • 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

Pregunta 30

Pregunta
Purkinje cells:
Respuesta
  • 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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