Questão 1
Questão
The pons connects with the cerebellum through pedunculus cerebellaris medius:
Questão 2
Questão
The basilar part of the pons is made of fibers only.
Questão 3
Questão
Within the pons tegmentum are located the nuclei of the cranial nerves IX, X and XI.
Questão 4
Questão
The roots of XII cranial nerve appear in the retroolivary sulcus.
Questão 5
Questão
The midbrain is delineated from the diencephalon by the optic tracts.
Questão 6
Questão
The nuclei of the caudal colliculus are relay station in the auditory pathway.
Questão 7
Questão
CN VI (Abducens) appears in the interpenduncular fossa.
Questão 8
Questão
The brainstem contains reflex centers for respiration and cardiovascual control
Questão 9
Questão
Phylogenically new parts of the brain stem are located on its ventral aspect
Questão 10
Questão
Substantia nigra is part of the pyramid system
Questão 11
Questão
The following structures are found in the opened part of the dorsal surface of medulla oblongata:
Responda
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Pyramidal decussation
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Olive
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Vagal trigone
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Facial colliculus
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Gracile tubercle
Questão 12
Questão
Breathing centers accessory to the medulla oblongata are located in which brain area?
Responda
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Cerebellum
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Pons
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Hypothalamus
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Midbrain
Questão 13
Questão
The brain stem includes all of the following except
Responda
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Medulla
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Pons
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Midbrain
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Cerebral cortex
Questão 14
Questão
The area that coordinates visual reflexes is the:
Responda
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Cerebellum
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Superior Colliculus
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Inferior Colliculus
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Cerebral peduncles
Questão 15
Questão
How many of the pairs of cranial nerves originate from the brain stem?
Questão 16
Questão
All of the following statements concerning the vestibulocerebellar pathway are correct except it:
Responda
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Plays a role in the initiation, planning and the timing of voluntary motor activities.
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Project via the medial longitudinal fasciculus (MLF)
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Receives input from the cristae ampullares
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Receives input from the macular of the utricle and saccule
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Includes the flocculonodular lobe
Questão 17
Questão
All of the following statements concerning the red nucleus are correct except:
Responda
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It influences the cerebellum via the inferior olivary nucleus.
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Its primary effect is on truncal and proximal muscles.
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It receives bilateral input from the motor and premotor cortext
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it receives contralateral input from the nucleus interpositus.
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It receives modest input from the contralateral dentate nucleus
Questão 18
Questão
Which of the following IS NOT a medullary vital center
Responda
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Blood pressure
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Cardiac
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Vasomotor
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Respiratory
Questão 19
Questão
Three nuclei within the medulla oblongata function as vital centers for controlling heart rate, blood pressure and ............................................
Questão 20
Questão
The centres that control vital visceral activities are located within the .............. area of the brain.
Responda
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Hypothalamus
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Cerebral cortex
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Pons
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Medulla oblongata
Questão 21
Questão
In the floor of the fourth ventricle
Responda
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The trigonum vagi is at the inferior angle next to the midline.
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The facial colliculus is next to the midline in its upper half.
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The vestibular area is adjacent to the lateral angle.
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The trigonum hypoglossi is lateral to the trigonum vagi
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The abducent nucleus lies deep to the facial colliculus
Questão 22
Questão
The following structures are found in the midbrain
Responda
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The substantia nigra
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The superior colliculi (Corpora Quadrigemina)
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The motor nucleus of the trigeminal nerve
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The nucleus of the abducent nerve
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The decussation of the superior cerebellar peduncles.
Questão 23
Questão
The following nuclei are found in the pons:
Questão 24
Questão
In the medulla oblongata:
Responda
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The olive lies between the pyramid and the inferior cerebellar peduncle
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The vagus nerve emerges between the pyramid and the olive
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The decussation of the pyramids in found in the posterior median sulcus.
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The gracile tubercle lies posteriorly next to the midline
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The spinal nucleus of the trigeminal nerve lies dorsilaterally
Questão 25
Questão
The medial lemniscus
Responda
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Is formed by fibres which come mainly from the gracile and cuneate nuclei of the same side
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Is part of the proprioceptive pathway from the periphery to the cerebral cortex
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Forms a bundle of fibres lying anteroposteriorly in the pons
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Forms a bundle of fibres lying anteroposteriorly in the medulla oblongata
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Ends in the lateral nucleus of the thalamus.
Questão 26
Questão
The pyramid of the hind brain
Responda
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Is medial to the roots of the hypoglossal nerve.
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Is medial to the olive
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Consists mainly of descending fibres
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Consists of fibres all of which decussate in the medulla oblongata.
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Consists of fibres all of whose cells bodies are in the precentral gyrus of the cerebral hemispheres
Questão 27
Responda
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Contain nuclei whose neurones have fibres which go to the cerebellum.
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Contains nuclei which connect the cerebral cortex with the cerebellar cortex
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Lies on the basilar part of the occipital bone.
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Is anterior to the basilar artery.
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Is superior to the emerging facial nerve.
Questão 28
Questão
The following are found in the midbrain
Questão 29
Responda
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Has the trigeminal nerve emerging from its superior border
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Contains in its anterior (basilar) part the nuclei pontis
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Contains in its anterior part the pyramidal (corticospinal) tracts
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Is connected to the cerebellum by the superior cerebellar peduncle.
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Contains the upward continuation of the medial lemniscus
Questão 30
Questão
The following are found in the midbrain:
Responda
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The nucleus of the oculomotor nerve
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The tectospinal tract
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The medial longitudinal bundle
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The superior salivary nucleus
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The nucleus of the tractus solitarius