brain stem

1. 1the pons connect with the cerebellum through middle cerebellar peduncle

   1. AVerdadeiro
   2. BFalso
2. 2the basilar part of the pons is made of fibres only

   1. AVerdadeiro
   2. BFalso
3. 3within pons tegmentum are located nuclei of cranial nerves 9,10,11

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   2. BFalso
4. 4roots of cranial nerve 12 appear in retoolivary sulcus

   1. AVerdadeiro
   2. BFalso
5. 5midbrain is delineated from diencephalon by optic tracts

   1. AVerdadeiro
   2. BFalso
6. 6nuclei of caudal colliculus are relay stations is auditory pathway

   1. AVerdadeiro
   2. BFalso
7. 7abducens nerve appears in the interpedencular fossa

   1. AVerdadeiro
   2. BFalso
8. 8brainstem controls reflex centers for respiration and cardiovascular control

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   2. BFalso
9. 9phylogenically new parts of brain stem are located on its ventral aspect

   1. AVerdadeiro
   2. BFalso
10. 10substantia nigra is part of pyramid system

    1. AVerdadeiro
    2. BFalso

11. 11vestibulocerebellar pathway

    1. Aplays a role in initiation, planning and timing of voluntary motor activities
    2. Bprojects via medial longitudinal fasciculus
    3. Creceives input from cristae ampullares
    4. Dreceives input from maculae of the utricle and sacculae
    5. Eincludes flocculonodular lobe
12. 12red nucleus

    1. Ainfluences cerebellum via inferior olivary nucleus
    2. Bprimary effect on truncal and proximal muscles
    3. Creceives bilateral input from motor and premotor cortex
    4. Dreceieves contralateral input from nucleus interpositus
    5. Ereceives modest input from contralateral dentate nucleus
13. 13the following structures are found in the midbrain

    1. Asubstantia nigra
    2. Bsuperior colliculi
    3. Cmotor nucleus of trigeminal nerve
    4. Dnucleus of abducent nerve
    5. Edecussation of superior cerebellar peduncles
14. 14the following are found in the midbrain

    1. Amedial lemniscus
    2. Bfrontopontine fibres
    3. Clateral lemniscus
    4. Dred nucleus
    5. Emedial geniculate body
15. 15the following are found in the midbrain

    1. Anucleus of occulomotor nerve
    2. Btectospinal tract
    3. Cmedial longitudinal bundle
    4. Dsuperior salivary nucleus
    5. Enucleus of tractus solitarius
16. 16the medial lemniscus

    1. Aformed by fibres which mainly come from gracile and cuneate nuclei of same side
    2. Bpart of proprioceptive pathway from periphery to cerebral cortex
    3. Cforms a bundle of fibres lying anteroposteriorly in pons
    4. Dforms a bundle of fibres lying anteroposteriorly in medulla oblongata
    5. Eends in lateral nucleus of thalamus
17. 17the following nuclei are found in pons

    1. Afacial
    2. Boculomotor
    3. Cdescending or spinal nucleus of trigeminal nerve
    4. Dabducent
    5. Einferior salivary
18. 18the pons

    1. Acontains nuclei whose neurones have fibres which go to cerebellum
    2. Bcontains nuclei which connect cerebral cortex with cerebellar cortex
    3. Clies on basilar part of occipital bone
    4. Danterior to basilar artery
    5. Esuperior to emerging facial nerve
19. 19the pons

    1. Ahas the trigeminal nerve emerging from its superior border
    2. Bcontains in its anterior part the nuclei pontis
    3. Ccontains in its anterior part the pyrimidal tracts
    4. Dconnected to cerebellum by superior cerebellar peduncle
    5. Econtains upward continuation of medial lemniscus
20. 20medulla oblongata

    1. Athe olive lies between the pyramid and the inferior cerebellar peduncle
    2. Bthe vagus nerve emerges between the pyramid and olive
    3. Cthe decussation of the pyramids is found in the posterior median sulcus
    4. Dthe gracile tubercle lies posteriorly next to the midline
    5. Ethe spinal nucleus of the trigeminal nerve lies dosolaterally
21. 21in the floor of the fourth ventricle

    1. Avagal trigone is at the inferior angle next to the midline
    2. Bfacial colliculus is next to the midline in its upper half
    3. Cvestibular area is adjacent to the lateral angle
    4. Dhypoglossal triangle is lateral to the vagal triangle
    5. Eabducent nucleus lies deep to the facial colliculus
22. 22the pyramid of the hind brain

    1. Amedial to the roots of the hypoglossal nerve
    2. Bmedial to the olive
    3. Cconsists mainly of descending fibres
    4. Dconsists of fibres all of which decussate in medulla oblongata
    5. Econsists of fibres all of whose cell bodies are in precentral gyrus of the cerebral hemispheres

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Quiz sobre brain stem, criado por raheem h em 08-09-2017.

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raheem h

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