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CNS-Brain Stem- Anatomy PMU 1st Year 2nd Semester

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MCQ questions upload - 2nd semester/2nd test - PMU
Med Student
Quiz by Med Student , updated more than 1 year ago More Less
Sole C
Created by Sole C over 9 years ago
Med Student
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Question 1

Question
The pons connects with the cerebellum through pedunculus cerebellaris medius:
Answer
  • True
  • False

Question 2

Question
The basilar part of the pons is made of fibers only.
Answer
  • True
  • False

Question 3

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

Question 4

Question
The roots of XII cranial nerve appear in the retroolivary sulcus.
Answer
  • True
  • False

Question 5

Question
The midbrain is delineated from the diencephalon by the optic tracts.
Answer
  • True
  • False

Question 6

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

Question 7

Question
CN VI (Abducens) appears in the interpenduncular fossa.
Answer
  • True
  • False

Question 8

Question
The brainstem contains reflex centers for respiration and cardiovascual control
Answer
  • True
  • False

Question 9

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

Question 10

Question
Substantia nigra is part of the pyramid system
Answer
  • True
  • False

Question 11

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

Question 12

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

Question 13

Question
The brain stem includes all of the following except
Answer
  • Medulla
  • Pons
  • Midbrain
  • Cerebral cortex

Question 14

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

Question 15

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

Question 16

Question
All of the following statements concerning the vestibulocerebellar pathway are correct except it:
Answer
  • 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

Question 17

Question
All of the following statements concerning the red nucleus are correct except:
Answer
  • 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

Question 18

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

Question 19

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

Question 20

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

Question 21

Question
In the floor of the fourth ventricle
Answer
  • 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

Question 22

Question
The following structures are found in the midbrain
Answer
  • 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.

Question 23

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

Question 24

Question
In the medulla oblongata:
Answer
  • 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

Question 25

Question
The medial lemniscus
Answer
  • 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.

Question 26

Question
The pyramid of the hind brain
Answer
  • 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

Question 27

Question
The pons
Answer
  • 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.

Question 28

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

Question 29

Question
The Pons:
Answer
  • 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

Question 30

Question
The following are found in the midbrain:
Answer
  • 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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