2216216
Pregunta 1
Pregunta
The pons connects with the cerebellum through pedunculus cerebellaris medius:
Respuesta
- True
- False
Pregunta 2
Pregunta
The basilar part of the pons is made of fibers only.
Respuesta
- True
- False
Pregunta 3
Pregunta
Within the pons tegmentum are located the nuclei of the cranial nerves IX, X and XI.
Respuesta
- True
- False
Pregunta 4
Pregunta
The roots of XII cranial nerve appear in the retroolivary sulcus.
Respuesta
- True
- False
Pregunta 5
Pregunta
The midbrain is delineated from the diencephalon by the optic tracts.
Respuesta
- True
- False
Pregunta 6
Pregunta
The nuclei of the caudal colliculus are relay station in the auditory pathway.
Respuesta
- True
- False
Pregunta 7
Pregunta
CN VI (Abducens) appears in the interpenduncular fossa.
Respuesta
- True
- False
Pregunta 8
Pregunta
The brainstem contains reflex centers for respiration and cardiovascual control
Respuesta
- True
- False
Pregunta 9
Pregunta
Phylogenically new parts of the brain stem are located on its ventral aspect
Respuesta
- True
- False
Pregunta 10
Pregunta
Substantia nigra is part of the pyramid system
Respuesta
- True
- False
Pregunta 11
Pregunta
The following structures are found in the opened part of the dorsal surface of medulla oblongata:
Respuesta
-
Pyramidal decussation
-
Olive
-
Vagal trigone
-
Facial colliculus
-
Gracile tubercle
Pregunta 12
Pregunta
Breathing centers accessory to the medulla oblongata are located in which brain area?
Respuesta
-
Cerebellum
-
Pons
-
Hypothalamus
-
Midbrain
Pregunta 13
Pregunta
The brain stem includes all of the following except
Respuesta
-
Medulla
-
Pons
-
Midbrain
-
Cerebral cortex
Pregunta 14
Pregunta
The area that coordinates visual reflexes is the:
Respuesta
-
Cerebellum
-
Superior Colliculus
-
Inferior Colliculus
-
Cerebral peduncles
Pregunta 15
Pregunta
How many of the pairs of cranial nerves originate from the brain stem?
Respuesta
-
Ten
-
All of them arise from the brain stem
-
Two
-
None of them arise from the brain stem
-
One
Pregunta 16
Pregunta
All of the following statements concerning the vestibulocerebellar pathway are correct except it:
Respuesta
-
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
Pregunta 17
Pregunta
All of the following statements concerning the red nucleus are correct except:
Respuesta
-
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
Pregunta 18
Pregunta
Which of the following IS NOT a medullary vital center
Respuesta
-
Blood pressure
-
Cardiac
-
Vasomotor
-
Respiratory
Pregunta 19
Pregunta
Three nuclei within the medulla oblongata function as vital centers for controlling heart rate, blood pressure and ............................................
Respuesta
-
Rate and depth of breathing
-
Emotions
-
Body temperature
-
Water and electrolyte balance
Pregunta 20
Pregunta
The centres that control vital visceral activities are located within the .............. area of the brain.
Respuesta
-
Hypothalamus
-
Cerebral cortex
-
Pons
-
Medulla oblongata
Pregunta 21
Pregunta
In the floor of the fourth ventricle
Respuesta
-
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
Pregunta 22
Pregunta
The following structures are found in the midbrain
Respuesta
-
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.
Pregunta 23
Pregunta
The following nuclei are found in the pons:
Respuesta
-
The facial nucleus
-
The oculomotor nucleus
-
The descending or spinal nucleus of the trigeminal nerve
-
The abducent nucleus
-
The inferior salivary nucleus
Pregunta 24
Pregunta
In the medulla oblongata:
Respuesta
-
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
Pregunta 25
Pregunta
The medial lemniscus
Respuesta
-
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.
Pregunta 26
Pregunta
The pyramid of the hind brain
Respuesta
-
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
Pregunta 27
Pregunta
The pons
Respuesta
-
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.
Pregunta 28
Pregunta
The following are found in the midbrain
Respuesta
-
The medial lemniscus
-
The frontopnontine fibres
-
The lateral lemniscus
-
The red nucleus
-
The medial geniculate body
Pregunta 29
Pregunta
The Pons:
Respuesta
-
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
Pregunta 30
Pregunta
The following are found in the midbrain:
Respuesta
-
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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