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

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MCQ questions upload - 2nd semester/2nd test - PMU
Med Student
Quiz by Med Student , updated more than 1 year ago More Less
Sole C
Created by Sole C over 8 years ago
Med Student
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Resource summary

Question 1

Question
The cerebellum is located in the posterior cranial fossa:
Answer
  • True
  • False

Question 2

Question
The Purkinje cells are the only efferent neurons of cerebellar cortex
Answer
  • True
  • False

Question 3

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

Question 4

Question
The cerebellum is a derivate of the rhombencephalon.
Answer
  • True
  • False

Question 5

Question
The mossy fibers end on the purkinje cells.
Answer
  • True
  • False

Question 6

Question
The cerebellum is a voluntary somatomotor center.
Answer
  • True
  • False

Question 7

Question
Cerebellar disorders are associated with increased muscular tone.
Answer
  • True
  • False

Question 8

Question
The cerebellar vermis contains archi-, paleo- and neocerebellar structures.
Answer
  • True
  • False

Question 9

Question
The golgi cells are excitatory cell in the cerebellar cortex.
Answer
  • True
  • False

Question 10

Question
The cerebellum contains the greatest number of neurons in the brain.
Answer
  • True
  • False

Question 11

Question
One of the following is NOT TRUE for the dentate nucleus
Answer
  • 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

Question 12

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

Question 13

Question
All of the following statements concerning the superior cerebellar peduncle are correct EXCEPT it
Answer
  • 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

Question 14

Question
All of the following statements concerning the neocerebellar pathway are correct EXCEPT
Answer
  • 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

Question 15

Question
All of the following statements concerning the cerebellum are correct EXCEPT it
Answer
  • 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

Question 16

Question
All of the following statements concerning the cerebellum are correct EXCEPT it
Answer
  • 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

Question 17

Question
All of the following statements concerning the cerebellum are correct EXCEPT it
Answer
  • 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

Question 18

Question
All of the following statements concerning the dentate nucleus are correct EXCEPT it
Answer
  • 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

Question 19

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

Question 20

Question
The cerebellum:
Answer
  • 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.

Question 21

Question
The inferior cerebellar peduncles
Answer
  • 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.

Question 22

Question
The superior cerebellar peduncles
Answer
  • 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.

Question 23

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

Question 24

Question
Cerebellar cortex has direct connections with
Answer
  • Vestibular nuclei
  • Forebrain cortex
  • Substantia nigra
  • Nucleus ambiguus
  • Red Nucleus

Question 25

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

Question 26

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

Question 27

Question
Afferent pathways to cerebellum pass:
Answer
  • 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

Question 28

Question
The neocerebellum includes
Answer
  • Uvula
  • Lobulus simplex
  • Lobulus semilunaris superior
  • Lobulus biventer
  • Lingula

Question 29

Question
Efferent pathways of the cerebellum reach
Answer
  • 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

Question 30

Question
Purkinje cells:
Answer
  • 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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