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

Beschreibung

MCQ questions upload - 2nd semester/2nd test - PMU
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Zusammenfassung der Ressource

Frage 1

Frage
The pons connects with the cerebellum through pedunculus cerebellaris medius:
Antworten
  • True
  • False

Frage 2

Frage
The basilar part of the pons is made of fibers only.
Antworten
  • True
  • False

Frage 3

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

Frage 4

Frage
The roots of XII cranial nerve appear in the retroolivary sulcus.
Antworten
  • True
  • False

Frage 5

Frage
The midbrain is delineated from the diencephalon by the optic tracts.
Antworten
  • True
  • False

Frage 6

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

Frage 7

Frage
CN VI (Abducens) appears in the interpenduncular fossa.
Antworten
  • True
  • False

Frage 8

Frage
The brainstem contains reflex centers for respiration and cardiovascual control
Antworten
  • True
  • False

Frage 9

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

Frage 10

Frage
Substantia nigra is part of the pyramid system
Antworten
  • True
  • False

Frage 11

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

Frage 12

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

Frage 13

Frage
The brain stem includes all of the following except
Antworten
  • Medulla
  • Pons
  • Midbrain
  • Cerebral cortex

Frage 14

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

Frage 15

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

Frage 16

Frage
All of the following statements concerning the vestibulocerebellar pathway are correct except it:
Antworten
  • 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

Frage 17

Frage
All of the following statements concerning the red nucleus are correct except:
Antworten
  • 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

Frage 18

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

Frage 19

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

Frage 20

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

Frage 21

Frage
In the floor of the fourth ventricle
Antworten
  • 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

Frage 22

Frage
The following structures are found in the midbrain
Antworten
  • 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.

Frage 23

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

Frage 24

Frage
In the medulla oblongata:
Antworten
  • 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

Frage 25

Frage
The medial lemniscus
Antworten
  • 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.

Frage 26

Frage
The pyramid of the hind brain
Antworten
  • 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

Frage 27

Frage
The pons
Antworten
  • 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.

Frage 28

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

Frage 29

Frage
The Pons:
Antworten
  • 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

Frage 30

Frage
The following are found in the midbrain:
Antworten
  • 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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