Neuroanatomy 0003 1. ...ed on their functions, which of the followng cranial nerve nuclei would you expect to find lateral to the sulcus limitans a) Hypoglossal nucleus b) Spinal trigeminal nucleus c) Abducens nucleus d) Nucleus of Edinger-Westphal 2. The large bundle of axons that runs upward from the cerebellum into the midbrain tegmentum is the a) Superior cerebellar peduncle b) Middle cerebellar peduncle c) Inferior cerebellar peduncle d) Medial longitudinal fasciculus 3. Sensory never fibers carrying sensation from all of the teeth enter the CNS at the a) Spinal cord b) Medulla c) Pons d) Midbrain e) Cerebellum 4. This nerve has fibers that extend into three different sensory cranial nerve nuclei in the pons a) Trigeminal b) Abducens c) Facial d) Vestibulocochlear e) Glossopharyngeal 5. Which of these cranial nerves does NOT provide any sensory or motor innervation to the tongue a) VII b) VIII c) IX d) X e) XII 6. A stroke that destroys the lateral medulla (PICA syndrome) is most likely to cause a) Altered eye movements b) Paralysis of ipsilateral tongue c) Facial paralysis d) Dizziness and hearing problems on the side of damage 7. Axons in the spinal cord white matter may have their cell bodies in any of the the following locations EXCEPT a) Dorsal horn b) Paravertebral (chain) ganglia c) Cerebral cortex d) Intermediate gray matter 8. A patient has a meningioma (tumor) growing in the vertebral canal at the level of the L4 vertebral body. Which spinal cord reflexes might be reduced in intensity because of direct compression damage to motor neuron in the adjacent spinal cord segments? a) Flexor reflex-hand b) Biceps reflex c) Knee jerk reflex d) Ankle jerk reflex e) None of these would be affected 9. Which one of the following spinal cord segments has the longest dorsal/ventral rootlets a) C2 b) T8 c) L5 d) S4 10. The following cranial nerves send gustatory input to the brainstem a) V, VII, IX, X b) VII, IX, X c) V, VII, IX, X, XII d) VII, IX, X, XII e) VII, IX, X, XI, XII 11. The light reflex center is located in the a) Medulla b) Pons c) Mammillary body d) Pretectal region e) Diencephalon 12. It controls conjugate eye movements reflexly in response to head movement and to the position of the head in space [2002/02] a) Median longitudinal fasciculus b) Gower's tract c) Flesching's tract d) Central tegmental tract e) Spinothalamic tract 13. Which of the following tracts has strong facilitating effects on motoneurons innervating antigravity muscles a) Medial vestibulospinal b) Ventral corticospinal c) Rubrospinal d) Tectospinal e) Gracile 14. The pericallosal artery is a direct branch of the a) Anterior cerebral b) Middle cerebral c) Posterior cerebral d) Anterior communicating e) Internal carotid 15. The inferior petrosal sinuses are interconnected by the a) Cavernous sinus b) Superior petrosal sinus c) Inferior sagittal sinus d) Torcular e) Basilar plexus 16. It contains the anterior cerebral and anterior communicating arteries a) Carotid cistern b) Prepontine cistern c) Quadrigeminal cistern d) Lamina terminalis cistern e) Chiasmatic cistern 17. The ventral spinocerebellar tract enters the cerebellum through the a) Brachium conjunctivum b) Tectal plate c) Middle cerebellar peduncle d) Restiform body e) Juxtarestiform body 18. It curves around the upturned end of the sylvian fissure a) Angular gyrus b) Cingulate gyrus c) Fusiform gyrus d) Pars opercularis e) Supramarginal gyrus 19. Rexed's lamina X is located in the a) Posterior horn b) Intermediate zone c) Anterior horn d) Comissural area 20. It is the initial center in the Papez circuit a) Hippocampal formation b) Cingulate gyrus c) Cingulum d) Amygdala e) Thalamus 21. Damage to the parasympathetic fibers of the oculomotor would result in a) Lateral strabismus b) Miosis c) Ptosis d) Miosis and ptosis e) Ptosis and pupil dilation 22. Internuclear ophthalamoplegia is part of a) Locked-in syndrome b) Weber's syndrome c) Foville's syndrome d) Millard-Gubler syndrome e) Parinaud's syndrome 23. The most frequent clinical picture of patients with pineal region tumors is a) Medullary medial sector syndrome b) Foville's syndrome c) Weber's syndrome d) Parinaud's syndrome e) Benedikt's syndrome 24. The loop of Meyer is part of the a) Optic nerve b) Optic chiasm c) Optic tract d) Optic radiation e) Visual cortex 25. Its fibers form the afferent limb of the corneal reflex a) Ophthalamic nerve b) Facial nerve c) Maxiallary nerve d) Mandibular nerve e) Glossopharyngeal nerve 26. Lesion of the medial longitudinal fasciculus results in a) Internuclear ophthalamoplegia b) Weber's syndrome c) Parinaud's syndrome d) Dejerine-Roussy syndrome e) Wallenberg's syndrome 27. Occlusion of the posteroinferior cerebellar artery results in a) Foville's syndrome b) Benedikt's syndrome c) Wallenberg's syndrome d) Parinaud's syndrome e) Weber's syndrome 28. It is mainly excitatory to the extensor alpha motoneurons a) Corticobulbar tract b) Corticotectal tract c) Spinothalamic tract d) Fasciculus gracilis e) Reticulospinal tract 29. Its SVE fibers innervate the stylohyoid muscle [may have appeared on 2002/02] a) Facial b) Trigeminal c) Glossopharyngeal d) Vagus e) Accessory 30. After decussating, fibers form all three acoustic striae join the [2002/02] a) Medial lemniscus b) Trigeminal lemniscus c) Lateral lemniscus d) Posterior lemniscus e) Anterior lemniscus 31. It is part of the efferent limb of the gag reflex [may have appeared on 2002/02] a) Intermediate nerve b) Glossopharyngeal nerve c) Trigeminal nerve d) Vagus nerve e) Accessory nerve 32. A giant aneurysm of the superior cerebellar artery can compress the [may have appeared on 2002/02] a) Abducens b) Trochlear c) Oculomotor d) Facial e) Glossopharyngeal 33. It is the most frequent location of cerebellar hypertensive hemorrhage a) Globose nucleus b) Flocculonodular lobe c) Emboliform nucleus d) Fastigial nucleus e) Dentate nuceus 34. The archicerebellum receives afferent fibers from the a) Cuneocerebellar tract b) Trigeminocerebellar tract c) Corticopontine fibers d) Vestibulocerebellar tract e) Rostral spinocerebellar tract 35. The striatum is formed by the [may have appeared on 2002/02] a) Putamen and caudate b) Putamen and globus pallidus c) Caudate and globus pallidus d) Lentiform nuclei and thalamus e) Subthalamus and caudate 36. Features of Horner's syndrome include [2002/02] a) Ptosis, miosis, hyperhydrosis b) Ptosis, miosis and absence of corneal reflex c) Ptosis, miosis, anhydrosis d) Ptosis, dilation of the pupil, anhydrosis e) Ptosis, dilation of the pupil, hyperhydrosis 37. Which of the following ganglia gives rise to the carotid plexus a) Superior cervical b) Middle cervical c) Stellate d) Inferior cervical e) First thoracic 38. A cortical lesion affecting the striate cortex produces [may have appeared on 2002/02] a) Ipsilateral blindness b) Cortralateral blindness c) Heteronymous hemianopsia d) Homonymous hemianopsia e) Loss of pupillary reflexes 39. The stellate ganglion is form by the [2002/02] a) Superior and middle cervical ganglia b) Superior and inferior cervical ganglia c) Middle and inferior cervical ganglia d) Inferior cervical and first thoracic ganglia e) Middle cervical and first thoracic ganglia 40. Inferior sagittal sinus a) It receives blood from the middle superficial cerebral vein b) Lies in the attached border of the cerebellar falx c) Drains into the transverse sinus d) Runs in the free edge of the cerebral falx e) Drains into the internal jugular vein 41. Cavernous sinus a) It receives blood from the middle superficial cerebral vein b) Lies in the attached border of the cerebellar falx c) Drains into the transverse sinus d) Runs in the free edge of the cerebral falx e) Drains into the internal jugular vein 42. Occipital sinus a) It receives blood from the middle superficial cerebral vein b) Lies in the attached border of the cerebellar falx c) Drains into the transverse sinus d) Runs in the free edge of the cerebral falx e) Drains into the internal jugular vein 43. Superior petrosal sinus a) It receives blood from the middle superficial cerebral vein b) Lies in the attached border of the cerebellar falx c) Drains into the transverse sinus d) Runs in the free edge of the cerebral falx e) Drains into the internal jugular vein 44. Inferior petorsal sinus a) It receives blood from the middle superficial cerebral vein b) Lies in the attached border of the cerebellar falx c) Drains into the transverse sinus d) Runs in the free edge of the cerebral falx e) Drains into the internal jugular vein 45. it is the terminal branch of the basilar artery a) Anterior cerebral b) Middle cerebral c) Posterior cerebral d) Anteroinferior cerebellar e) Posteroinferior cerebellar 46. The pallidum projects to the cerebral cortex through [may have appeared on 2002/02] a) The VPL of the thalamus b) The VPM of the thalamus c) The reticular nucleus of the thalamus d) The ventral anterior nucleus of the thalamus e) The DL of the thalamus 47. The corticomedial part of the amygdala receives input from the [may have appeared on 2002/02] a) Thalamus b) Hypothalamus c) Reticular formation d) Olfactory stria 48. Guillain-Barre syndrome typically affects the [2002/02] a) Posterior horns b) Lateral horns c) Anterior horns d) Internal capsule e) Corona radiata 49. Neurons of the nucleus dorsalis of Clarke give origin to the [2002/02] a) Spinothalamic tract b) Gracile fasciculus c) Dorsal spinocerebellar tract d) Ventral spinocerebellar tract e) Rostral spinocerebellar tract 50. Fibers from the corticotectal tract synapse with the [2002/02] a) Inferior colliculus b) Superior olive c) Olive d) Nucleus ambiguus e) Superior colliculus 51. The fibers of the spinal nucleus and tract of the trigeminal nerve synapse primarily with the [2002/02] a) VPL b) VPM c) Anterior nucleus d) Reticular nucleus e) Centromedian nucleus 52. The nucleus ambiguus is related to the following functional component(s) of the vagal system [may have appeared on 2002/02] a) SVE b) SVE and GVE c) SVA and GSA d) GSA and GSE e) SVA and GSE 53. A lesion of the right pyramid is going to result in [2002/02] a) Left exteroceptive deficit b) Left proprioceptive deficit c) Left motor deficit d) Right motor deficit e) Right exteroceptive deficit 54. The transverse pontine fibers enter the cerebellum through the [may have appeared on 2002/02] a) Superior cerebellar peduncle b) Pontine reticular formation c) Medial reticulospinal tract d) Middle cerebellar peduncle e) Inferior cerebellar peduncle 55. A lesion of Brodmann's area 39 is going to result in [2002/02] a) Ipsilateral neglect syndrome b) Contralateral neglect's syndrome c) Ipsilateral motor deficit d) Contralateral motor deficit e) None of the above 56. The line of Ginnari is located in the a) Olfactory cortex b) Somatosensory cortex c) Visual cortex d) Hearing cortex e) Gustatory cortex 57. The main afferent connections of the hypothalamus are carried by the a) Fornix b) Thalamus c) Subthalamus d) Anterior commissure e) Posterior commissure 58. It is essential for the formation of new memories and learning a) Amygdala b) Hippocampus c) Subiculum d) Cingulum e) Dentate gyrus 59. Taste fibers of the IX cranial nerve have their cell bodies in the a) Nodose ganglion b) Petrosal ganglion c) Geniculate ganglion d) Pterygopalatine ganglion e) Otic ganglion 60. Brodmann's area 43 is related to the a) Olfactory system b) Gustatory system c) Vestibular system d) Proprioceptive system e) Vagal system ----------Key---------- 1. (a) 2. (a) 3. (c) 4. (c) 5. (d) 6. (a) 7. 8. (e) 9. 10. (b) 11. (d) 12. (a) 13. (a) 14. (a) 15. (e) 16. (d) 17. (a) 18. (e) 19. (d) 20. (a) 21. (e) 22. (c) 23. (d) 24. (d) 25. (a) 26. (a) 27. (c) 28. (e) 29. (a) 30. (c) 31. (d) 32. (c) 33. (e) 34. (d) 35. (a) 36. (c) 37. (a) 38. (d) 39. (d) 40. (d) 41. (a) 42. (b) 43. (c) 44. (e) 45. (c) 46. (d) 47. (d) 48. (c) 49. (c) 50. (e) 51. (b) 52. (a) 53. (c) 54. (d) 55. (b) 56. (c) 57. (a) 58. (b) 59. (e) 60. (b)