Quiz
PMU - 2nd/2t Semester Anatomy - CNS (Cerebellum)
Questions in this quiz (30)
1The cerebellum is located in the posterior cranial fossa:
- ATrue
- BFalse
2The Purkinje cells are the only efferent neurons of cerebellar cortex
- ATrue
- BFalse
3The cerebellar blood supply is through branches of basilar and vertebral arteries:
- ATrue
- BFalse
4The cerebellum is a derivate of the rhombencephalon.
- ATrue
- BFalse
5The mossy fibers end on the purkinje cells.
- ATrue
- BFalse
6The cerebellum is a voluntary somatomotor center.
- ATrue
- BFalse
7Cerebellar disorders are associated with increased muscular tone.
- ATrue
- BFalse
8The cerebellar vermis contains archi-, paleo- and neocerebellar structures.
- ATrue
- BFalse
9The golgi cells are excitatory cell in the cerebellar cortex.
- ATrue
- BFalse
10The cerebellum contains the greatest number of neurons in the brain.
- ATrue
- BFalse
11One of the following is NOT TRUE for the dentate nucleus
- AIt is in the dorsal part of the pons
- BThe dentorubral tract starts from it.
- CThe dentothalamic tract starts from it.
- DIt receives afferents from Purkinje cells.
- EIt receives afferents from olivocerebellar tract
12The inferior cerebellar peduncle contains all of the following afferent connections EXCEPT the
- ACuneocerebellar tract
- BVentral spinocerebellar tract
- CDorsal spinocerebellar tract
- DOlivocerebellar tract
- ETrigeminocerebellar fibers
13All of the following statements concerning the superior cerebellar peduncle are correct EXCEPT it
- AConnects the cerebellum to the midbrain
- BIs primarily an efferent bundle of fibers
- CRepresents the major output from the cerebellum
- DContains dentatothalamic fibers
- EContains the juxtarestiform body
14All of the following statements concerning the neocerebellar pathway are correct EXCEPT
- AThe neocerebellar pathway influences the motor cortex via the ventral anterior thalamic nucleus
- BThe dentatothalamic tract decussates in the midbrain
- CThe corticopontocerebellar tract decussates in the base of the pons
- DThe neocerebellum expresses itself via the corticospinal tract
- EThe dentate nucleus is reciprocally connected with the inferior olivary nucleus
15All of the following statements concerning the cerebellum are correct EXCEPT it
- AContains four pairs of nuclei within its medullary body
- BContains two pairs of cerebellar peduncles
- CConsists of a midline vermis and two lateral hemispheres
- DIs located infratentorially within the posterior fossa
- EHas a three-layered cortex
16All of the following statements concerning the cerebellum are correct EXCEPT it
- AProjects to the red nucleus
- BProjects to the vesticular nuclei
- CProjects to the lateral ventral nucleus of the thalamus
- DReceives input from the superior olivary nucleus
- EReceives the olivocerebellar tract via the inferior cerebellar peduncle
17All of the following statements concerning the cerebellum are correct EXCEPT it
- AIs derived from the alar plate
- BDevelops from the rhombic lips
- CIs part of the metencephalon
- DIs part of the rhombencephalon
- EIs part of the brainstem
18All of the following statements concerning the dentate nucleus are correct EXCEPT it
- AReceives input from climbing the mossy fibers
- BReceives inhibitory input from Purkinje cells
- CGives rise to the superior cerebellar peduncle
- DGives rise to the fascia dentata (dentate gyrus)
- EProjects to the ventral lateral nucleus of the thalamus
19One of the following is NOT a part of neocerebellum:
- AUvula
- BLobulus simplex
- CLobulus semilunaris superior
- DLobulus biventer
- ETonsil
20The cerebellum:
- AThrough the inferior cerebellar peduncle receives a large number of fibres which are associated with proprioception
- BHas connections with the frontal lobe through the superior cerebellar peduncle and thalamus
- CHas no grey matter other than that of the cerebellar cortex
- DHas a uniform structure throughout its cortex
- EReceives fibres from the olivary nucleus mainly of the same side.
21The inferior cerebellar peduncles
- AContain fibres most of which end in the cerebellar cortex
- BForm part of the lateral boundaries of the lower part of the fourth ventricle.
- CContain fibres from the opposite olivary nucleus
- DAre medial to the glossopharyngeal nerves
- EContain fibres from the vestibular nuclei of the same side.
22The superior cerebellar peduncles
- AContain the fibres of the posterior spinocerebellar tract
- BContain fibres whose cell bodies are usually in the cerebellar cortex
- CContain fibres which go to the red nucleus
- DContain fibres which decussate in the midbrain
- EContain fibres which go to the thalamus.
23The following are efferents of the cerebellum:
- ATractus cerebelloolivaris
- BFibrae cerebelloreticularis
- CTractus cerebellocochlearis
- DTractus cerebellovestibularis
- ETractus cerebellolenticularis
24Cerebellar cortex has direct connections with
- AVestibular nuclei
- BForebrain cortex
- CSubstantia nigra
- DNucleus ambiguus
- ERed Nucleus
25The pathway ensuring feedback in the cortico-cerebellar circuit are:
- ATractus corticopontinus
- BTractus pontocerebellaris
- CFibae arcuatae
- DTractus dentatoolivaris
- EFibrae thalamocorticales
26The afferent pathways to the cerebellum convey the following sensation:
- AGeneral conscious sensation
- BSpecific conscious sensation
- CGeneral unconscious sensation
- DSpecific unconscious sensation
- EA and D
27Afferent pathways to cerebellum pass:
- AOnly through the middle cerebellar peduncles
- BOnly through the middle and inferior cerebellar peduncles
- CThrough the superior cerebellar peduncles
- DOnly through the inferior and superior cerebellar peduncles) .
- EThrough the three peduncles
28The neocerebellum includes
- AUvula
- BLobulus simplex
- CLobulus semilunaris superior
- DLobulus biventer
- ELingula
29Efferent pathways of the cerebellum reach
- ADirectly the somatomotor cell of the spinal cord
- BOnly nuclei of the extrapyramid system
- CNuclei of the extrapyramid system and diencephalon
- DThalamus
- ENucleus vestibularis lateralis
30Purkinje cells:
- AAre large pyramid cells
- BAre efferent cells of the cerebellar cortex
- CEnd by inhibitory synapses on the cerebellar nuclei
- DTheir dendrites enter the molecular layer of the cerebellar cortex
- EAre GABA mediated
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