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PMU - 2nd/2t Semester Anatomy - CNS (Brain Stem)

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MCQ questions upload - 2nd semester/2nd test - PMU
Sole C
Quiz por Sole C, atualizado more than 1 year ago
Sole C
Criado por Sole C aproximadamente 9 anos atrás
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Resumo de Recurso

Questão 1

Questão
The pons connects with the cerebellum through pedunculus cerebellaris medius:
Responda
  • True
  • False

Questão 2

Questão
The basilar part of the pons is made of fibers only.
Responda
  • True
  • False

Questão 3

Questão
Within the pons tegmentum are located the nuclei of the cranial nerves IX, X and XI.
Responda
  • True
  • False

Questão 4

Questão
The roots of XII cranial nerve appear in the retroolivary sulcus.
Responda
  • True
  • False

Questão 5

Questão
The midbrain is delineated from the diencephalon by the optic tracts.
Responda
  • True
  • False

Questão 6

Questão
The nuclei of the caudal colliculus are relay station in the auditory pathway.
Responda
  • True
  • False

Questão 7

Questão
CN VI (Abducens) appears in the interpenduncular fossa.
Responda
  • True
  • False

Questão 8

Questão
The brainstem contains reflex centers for respiration and cardiovascual control
Responda
  • True
  • False

Questão 9

Questão
Phylogenically new parts of the brain stem are located on its ventral aspect
Responda
  • True
  • False

Questão 10

Questão
Substantia nigra is part of the pyramid system
Responda
  • True
  • False

Questão 11

Questão
The following structures are found in the opened part of the dorsal surface of medulla oblongata:
Responda
  • Pyramidal decussation
  • Olive
  • Vagal trigone
  • Facial colliculus
  • Gracile tubercle

Questão 12

Questão
Breathing centers accessory to the medulla oblongata are located in which brain area?
Responda
  • Cerebellum
  • Pons
  • Hypothalamus
  • Midbrain

Questão 13

Questão
The brain stem includes all of the following except
Responda
  • Medulla
  • Pons
  • Midbrain
  • Cerebral cortex

Questão 14

Questão
The area that coordinates visual reflexes is the:
Responda
  • Cerebellum
  • Superior Colliculus
  • Inferior Colliculus
  • Cerebral peduncles

Questão 15

Questão
How many of the pairs of cranial nerves originate from the brain stem?
Responda
  • Ten
  • All of them arise from the brain stem
  • Two
  • None of them arise from the brain stem
  • One

Questão 16

Questão
All of the following statements concerning the vestibulocerebellar pathway are correct except it:
Responda
  • Plays a role in the initiation, planning and the timing of voluntary motor activities.
  • Project via the medial longitudinal fasciculus (MLF)
  • Receives input from the cristae ampullares
  • Receives input from the macular of the utricle and saccule
  • Includes the flocculonodular lobe

Questão 17

Questão
All of the following statements concerning the red nucleus are correct except:
Responda
  • It influences the cerebellum via the inferior olivary nucleus.
  • Its primary effect is on truncal and proximal muscles.
  • It receives bilateral input from the motor and premotor cortext
  • it receives contralateral input from the nucleus interpositus.
  • It receives modest input from the contralateral dentate nucleus

Questão 18

Questão
Which of the following IS NOT a medullary vital center
Responda
  • Blood pressure
  • Cardiac
  • Vasomotor
  • Respiratory

Questão 19

Questão
Three nuclei within the medulla oblongata function as vital centers for controlling heart rate, blood pressure and ............................................
Responda
  • Rate and depth of breathing
  • Emotions
  • Body temperature
  • Water and electrolyte balance

Questão 20

Questão
The centres that control vital visceral activities are located within the .............. area of the brain.
Responda
  • Hypothalamus
  • Cerebral cortex
  • Pons
  • Medulla oblongata

Questão 21

Questão
In the floor of the fourth ventricle
Responda
  • The trigonum vagi is at the inferior angle next to the midline.
  • The facial colliculus is next to the midline in its upper half.
  • The vestibular area is adjacent to the lateral angle.
  • The trigonum hypoglossi is lateral to the trigonum vagi
  • The abducent nucleus lies deep to the facial colliculus

Questão 22

Questão
The following structures are found in the midbrain
Responda
  • The substantia nigra
  • The superior colliculi (Corpora Quadrigemina)
  • The motor nucleus of the trigeminal nerve
  • The nucleus of the abducent nerve
  • The decussation of the superior cerebellar peduncles.

Questão 23

Questão
The following nuclei are found in the pons:
Responda
  • The facial nucleus
  • The oculomotor nucleus
  • The descending or spinal nucleus of the trigeminal nerve
  • The abducent nucleus
  • The inferior salivary nucleus

Questão 24

Questão
In the medulla oblongata:
Responda
  • The olive lies between the pyramid and the inferior cerebellar peduncle
  • The vagus nerve emerges between the pyramid and the olive
  • The decussation of the pyramids in found in the posterior median sulcus.
  • The gracile tubercle lies posteriorly next to the midline
  • The spinal nucleus of the trigeminal nerve lies dorsilaterally

Questão 25

Questão
The medial lemniscus
Responda
  • Is formed by fibres which come mainly from the gracile and cuneate nuclei of the same side
  • Is part of the proprioceptive pathway from the periphery to the cerebral cortex
  • Forms a bundle of fibres lying anteroposteriorly in the pons
  • Forms a bundle of fibres lying anteroposteriorly in the medulla oblongata
  • Ends in the lateral nucleus of the thalamus.

Questão 26

Questão
The pyramid of the hind brain
Responda
  • Is medial to the roots of the hypoglossal nerve.
  • Is medial to the olive
  • Consists mainly of descending fibres
  • Consists of fibres all of which decussate in the medulla oblongata.
  • Consists of fibres all of whose cells bodies are in the precentral gyrus of the cerebral hemispheres

Questão 27

Questão
The pons
Responda
  • Contain nuclei whose neurones have fibres which go to the cerebellum.
  • Contains nuclei which connect the cerebral cortex with the cerebellar cortex
  • Lies on the basilar part of the occipital bone.
  • Is anterior to the basilar artery.
  • Is superior to the emerging facial nerve.

Questão 28

Questão
The following are found in the midbrain
Responda
  • The medial lemniscus
  • The frontopnontine fibres
  • The lateral lemniscus
  • The red nucleus
  • The medial geniculate body

Questão 29

Questão
The Pons:
Responda
  • Has the trigeminal nerve emerging from its superior border
  • Contains in its anterior (basilar) part the nuclei pontis
  • Contains in its anterior part the pyramidal (corticospinal) tracts
  • Is connected to the cerebellum by the superior cerebellar peduncle.
  • Contains the upward continuation of the medial lemniscus

Questão 30

Questão
The following are found in the midbrain:
Responda
  • The nucleus of the oculomotor nerve
  • The tectospinal tract
  • The medial longitudinal bundle
  • The superior salivary nucleus
  • The nucleus of the tractus solitarius

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