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تحميل الدليل التدريبي

أسئلة شائعة


1. Injury to the retrolenticular part of the internal capsule results in damage to which one of the following fibers:

a.       Corticobulbar

b.      Corticospinal

c.       Geniculocalcarine

d.      Frontopontine.

e.       Temporopontine.


2. Regarding the Brodmann’s numbering of the major functional areas, choose the incorrect statement:

a.       Somatosensory cortex corresponds to areas 1, 2, 3

b.      Broca’s speech area corresponds to areas 44, 45

c.       Frontal eye field corresponds to area 8

d.      Primary visual area corresponds to area 19

e.       Primary auditory cortex corresponds to areas 41, 42


3. Regarding the corpus callosum, choose the incorrect statement:

a.      It connects all the corresponding regions of the neocortex of the two hemispheres

  1. The callosal fibers linking the frontal poles form the anterior forceps
  2. It is shorter rostrocaudally than is the hemisphere
  3. The splenium interconnects the occipital cortices
  4. Destruction of splenium results in alexia without agraphia


4. Which one of the following hypothalamic nuclei is concerned with the control of the diurnal rhythms?

a.       Paraventricular nucleus

b.      Ventromedial nucleus

c.       Medial mamillary nucleus

d.      Suprachiasmatic nucleus

e.       Supraoptic nucleus


5. Regarding the third ventricle, choose the incorrect statement:

a.      Its roof is formed by the fornix.

b.      Its lateral wall is formed by the medial surface of the thalamus and the hypothalamus.

c.       The interventricular foramen is limited posteriorly by the anterior pole of the thalamus

  1. It communicates with the fourth ventricle through the cerebral aqueduct
  2. Its choroid plexus is continuous with choroid plexus of the lateral ventricle


6. Which one of the following nuclei belongs to the epithalamus?

a.       Supraoptic nucleus

    1. Mamillary body
    2. Pulvinar
    3. Habenular nuclei
    4. Geniculate nuclei


7. Broca’s area is located in the:

a.       Middle frontal gyrus

b.      Inferior frontal gyrus

c.       Inferior part of the precentral gyrus

d.      Anterior part of the superior temporal gyrus

e.       Insula


8. Which statement regarding the nucleus of spinal tract of the trigeminal nerve is true?

a. It terminates in medulla oblongata.

b.It carries proprioceptive sensation.

c. It extends along the whole spinal segments.

d.      It extends into the upper cervical spinal cord.

e. It sends undecussated fibres to the thalamus.


9. Lesion of oculomotor nucleus within the midbrain leads to all of   the following, EXCEPT:

a.       Ptosis.

b.      Loss of light reflex.

c.       Loss of accommodation reflex.

d.      Inability to adduct the eyeball.

e.       Inability to abduct the eyeball.


10. The pretectal nucleus has the function of:

a.       Hearing.

b.      Equilibrium.

c.       Gag reflex.

d.      Pupillary light reflex.

e.       Visual pathway.


11. Which statement regarding the trapezoid body is true?

a.       It lies in the midbrain.

b.      It is continuous upward as the medial lemniscus.

c.       Its fibres end in the superior colliculus.

d.      Its fibres end in inferior colliculus.

e.       It is concerned with coordination of head & eye movements.


12. Which statement regarding the ventral posterior nucleus of the thalamus is incorrect?

a.       It lies between ventral lateral nucleus & pulvinar.

b.      Its lateral portion receives the lateral lemniscus.

c.       Its medial portion receives the trigeminal lemniscus.

d.      It receives general sensory fibres from contralateral half of the body.

e.       It also receives taste fibres from the nucleus solitarius of the medulla.


13. The pontine tegmentum contains all of the following structures, EXCEPT:

a.       Medial lemniscus.

b.      Reticular formation.

c.       Facial motor nucleus.

d.      Corticospinal fibers

e.       Trapezoid body.


14. Parkinson's disease results from degeneration of:

a.       Red nucleus.

b.      Medial lemniscus.

c.       Pyramid.

d.      Substantia nigra.

e.       Inferior olivary nucleus.


15. The crus cerebri of midbrain contains the following fibers, EXCEPT:

a.       Corticospinal fibres.

b.      Corticobulbar fibres.

c.       Frontopontine fibres.

d.      Temporopontine fibres.

e.       Corticotectal fibres.


16. The dural sac ends at the vertebral level of:

a.       First coccygeal

b.      Last coccygeal

c.       First sacral

d.      Second sacral

e.       Second lumbar


17. Regarding the neurons in the ventral horn of the spinal cord, all of the following statements are true, EXCEPT:

a.       They are known as lower motor neurons

b.      Neurons innervating the axial musculature are located laterally

c.       The alpha neurons innervate extrafusal muscles

d.      They occupy Rexed’s lamina IX

e.       The degeneration of the neurons is manifested by progressive atrophy of the limb musculature


18. The following nuclei lie at the level of the rostral medulla, EXCEPT:

a.       Inferior olivary nucleus

b.      Hypoglossal nucleus

c.       Nucleus cuneatus

d.      Dorsal motor nucleus of the vagus

e.       Nucleus solitarius



19. Regarding development of the nervous system, choose the incorrect statement:

a.       It begins in the third week

b.      The neural crest cells are derived from the floor of the neural groove

c.       The ventricles of the brain develop from the cavity of the neural tube

d.      The autonomic ganglia develop from the neural crest cells

e.       The dorsal horns of the spinal cord develop from the alar plates


20. The ventral surface of the brain stem shows all of the following, EXCEPT:

a.      The emergence of the trochlear nerve

b.      The clear delineation from medulla to pons

c.       The crura cerebri

d.      The decussation of the pyramids

e.       The olive


21. Regarding the thalamus, choose the incorrect statement:

a.       It is related laterally to the posterior limb of the internal capsule

b.      The specific nuclei lie in the ventral part of the lateral nuclear mass

c.       Spinal lemniscus terminates in the ventral posteromedial nucleus

d.      The anterior nucleus controls instinctive drives and emotional behavior

e.       The lateral dorsal nucleus is a part of the limbic system


22. The following nuclei send preganglionic parasympathetic fibers to the cranial nerves, EXCEPT:

a.       Dorsal motor nucleus of vagus

b.      Nucleus ambiguus

c.       Superior salivatory nucleus

d.      Inferior salivatory nucleus

e.       Edinger-Westphal nucleus


23. Regarding the inferior olivary nucleus, choose the incorrect statement:

a.       It lies within the prominence of the olive

b.      Its hilum faces medially

c.       It receives afferents from the red nucleus

d.      It is concerned with the control of movements

e.       Its main efferent connection is to the ipsilateral cerebellar hemisphere


24. The subthalamic region contains all of the following, EXCEPT:

a.       Subthalmic nucleus

b.      Zona incerta

c.       Red nucleus

d.      Fornix

e.       Substatia nigra






25- Regarding the deep nuclei of the cerebellum, all statement are wrong EXCEPT:

  1. The dentate nucleus is the most medially placed
  2. Nucleus globosus has its main connection with the archicerebellum
  3. These nuclei function as relay stations for all incoming olivocerebellar fibers
  4. They receive direct inputs from vestibular nuclei

e.   None of them can be seen by naked eye 


26- The fibers of the ventral (anterior) spinocerebellar tract are not found in the:

a.                   Midbrain

b.                  Pons

c.                   Medulla

d.                  Superior cerebellar peduncle

e.                   Inferior cerebellar peduncle

27. Regarding the Cerebellum all statement are true EXCEPT:

a.       The superior vermis is raised, forming a midline ridge

b.      Primary fissure separates anterior lobe from posterior lobe.

c.       It has an outer layer of grey matter and an inner core of white matter

d.      Histologically divided into molecular layer, Purkinje layer and granular layer

e.       Afferent axons mostly terminate in the cerebellar cortex, where they are inhibitory to cortical neurons.


28.  Regarding neocerebellum all statement are true, EXCEPT:

  1. Is concerned with muscular coordination.
  2. The principal afferent pathway consists of pontocerebellar fibers.
  3. Pontocerebellar fibers of the same side utilize middle peduncle
  4. Pontocerebellar fibers terminate predominantly in the lateral parts of the cerebellar hemisphere.
  5. Output from the neocerebellar cortex is directed to the dentate nucleus.


29. Regarding the reticular formation, all statements are true EXCEPT:

  1. It is column of white matter
  2. It extends in the entire length of the brain stem
  3. It is involved in the motor control of the visceral organs

d.      It plays a role in consciousness and awake/sleep cycle

e.       Its damage will results in permanent coma


30. Regarding the fourth ventricle all statement are true EXCEPT:

a.       Lateral boundary is formed by the inferior and superior cerebellar peduncles.

b.      The superior part of the roof is formed by the superior cerebellar peduncles and the superior medullary velum.

c.       The inferior part of the roof is formed by the inferior medullary velum

d.      Foramen of Magendie is an opening in the superior part of the roof.

e.       The floor is divided into symmetrical halves by the median sulcus.

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