CNS & EYE BALL SAQ & MCQ suggestions

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CNS & EYE BALL SAQ & MCQ suggestions

  1. 1. SAQ suggestions for CNS and EYEBALL 1. CSF- Def, formation, circulation, absorption, function. What is hydrocephalus? Types. 2. Spinal cord- Def tracts. Name various tracts of spinal cord. Draw and label cross section of spinal cord at mid-thoracic/mid-cervical level showing various tracts. Write down blood supply of spinal cord. Define UMN and LMN. Difference between UMN and LMN. What is Brown Sequard Syndrome? 3. Draw and label cross section of brain stem at the level of superior colliculus/inferior colliculus/pyramidal decussation. 4. Reticular formation-Def, function. 5. Cerebellum-Histological structure, morphological and functional divisions with functions. Name deep cerebellar nuclei. Short note on cerebellar syndrome, cerebellar peduncles. 6. Fourth ventricle-Floor 7. Cerebrum-Histological structure of cortex, Lobes-boundary, functional areas, their functions, effects of lesion, blood supply. Short note on white matter of cerebrum, corpus callosum. 8. Diencephalon-Parts, Thalamus-nuclei, functions. Hypothalamus-functions. 9. Basal nuclei-def, parts, function 10. Limbic system-Def, components, functions 11. Pyramidal tract-def, course, termination, function, effect of lesion. 12. Short note-Internal capsule, basal nuclei, BBB, BCB, circle of Willis. 13. Name refractive medias of eyeball. Layers of cornea, retina 14. Short note on aqueous humor, Horner’s syndrome, Argyll Robertson pupil. 15. Visual pathway, pathway of light reflex and accommodation reflex. What is direct and consensual light reflex? Effect of lesion of visual pathway.
  2. 2. MCQ CNS & EYEBALL Dr. Ashfaq 1. Brain stem includes- 6. Spinal cord is kept in position by- a midbrain a CSF b pons b filum terminale c cerebellum c ligamentum denticulatum d medulla oblongata d subdural capillary fluid e spinal cord e rostral continuity with medulla 2. Spinal cord- 7. Regarding pain from the limbs- a is located within whole vertebral canal a receptor is free nerve ending b presents primitive organization of grey b second order neurons lie in nucleus and white matter gracilis and cuneatus c is the part of hind brain c its relay occur in ventral posteromedial d has a uniform diameter nucleus of thalamus e contains nuclei of spinal accessory d it passes through anterior spinothalamic nerves tract e the ultimate goal is post central gyrus 3. Gray matter is composed of- 8. Sympathetic stimulation results in- a neuron a dilatation of pupil b microglia b reduction of heart rate c fibrous astrocyte c rise of blood pressure d capillaries d constriction of bronchi e lymph vessels e contraction of external anal sphincter 4. Unipolar neurons are found in- 9. Bipolar neurons are found in- a spiral ganglion a retina b trigeminal ganglion b olfactory mucosa c geniculate ganglion c dorsal root ganglion d mesencephalic nucleus d vestibular ganglion e sympathetic ganglion e trigeminal ganglion 5. Functional components of spinal nerves 10 Primitive organization of grey and white are- . matter is observed in- a GSA a cerebrum b GVE b cerebellum c SSA c midbrain d SVE d pons e GVA e spinal cord
  3. 3. 11 Cranial nerve nuclei within midbrain 16 Transverse section of midbrain at . are- . superior colliculus level presents- a mesencephalic nucleus a trochlear nucleus b Edinger-Westphal nucleus b Edinger-Westphal nucleus c lacrimatoty nucleus c red nucleus d trochlear nucleus d ventral tegmental decussation e inferior salivatory nucleus e lateral lemniscus 12 Examples of glial cells include- 17 Regarding sympathetic nervous system- . . a pituicyte a it is called thoraco-lumbar outflow b ependymocyte b it acts in fright, flight and fight c amacrine cell c it is essential for life d Muller’s cell d it causes cutaneous vasodilatation e pyramidal cell e it causes secretion of sebaceous gland 13 The tracts carrying touch sensation are- 18 Secretions of posterior pituitary are- . . a anterior spinothalamic tract a prolactin b lateral spinothalamic tract b oxytocin c tract of Gall c vasopressin d tract of Burdach d ADH e spinocerebellar tract e somatostatin 14 Tracts in lateral spinal funiculus are- 19 Oligodendrocytes- . . a anterior spinocerebellar tract a are the smallest central glial cells b anterior spinothalamic tract b develop from neural tube c olivospinal tract c form myelin sheath in the CNS d tectospinal tract d are present only in white matter e spinotectal tract e form blood-CSF barrier 15 Facial nerve is- 20 Astrocytes- . . a the 5th cranial nerve a are star shaped b a mixed cranial nerve b are found only in grey matter c a special sense containing cranial c provide nutrition and structural support nerve d develop from mononuclear phagocytic d a sympathetic fiber containing cranial system nerve e form blood brain barrier e the nerve of 2nd branchial arch 21 Dorsal part of diencephalon includes- 26 Nucleus ambiguus- . . a thalamus a is a motor nucleus b subthalamus b represent special visceral efferent column c epithalamus c is developed from alar plate d hypothalamus d contain unipolar neurons e metathalamus e is functionally related to 5th, 7th and 9th cranial nerves.
  4. 4. 22 Sensory speech area includes- 27 Circle of Willis is- . . a area 39 a an arterial anastomotic circle b area 49 b formed by potential anastomosis c area 44 c situated within subarachnoid space d area 45 d situated within pontine cistern e area 22 e joined by middle cerebral arteries 23 Uveal tract of eyeball includes- 28 Neostriatum includes- . . a sclera a caudate nucleus b choroid b putamen c ciliary body c globus pallidus d retina d red nucleus e iris e claustrum 24 Long association fibers include- 29 Visual cortex- . . a cingulum a is located in occipital lobe of cerebral b uncinate fasciculus hemisphere b includes Brodmann area 44 and 45 c corpus callosum c is supplied by middle cerebral artery d corticopontine fibers d is the thinnest part of cerebral cortex e fronto-occipital fasciculus e receives impulse from both eyes 25 Ventral postero-medial nucleus of 30 Cerebellum- . thalamus receives afferents from- . a spinal lemniscus a is a part of hind brain b medial lemniscus b is located in the infra-tentorial compartment of posterior cranial fossa c lateral lemniscus c controls contra-lateral side of the body d trigeminal lemniscus d is connected to pons through middle e nucleus of tractus solitarius cerebellar peduncles e produces resting tremor when damaged 12 Archicerebellum includes- 17 Deep cerebellar nuclei are- . . a flocullus a globos nucleus b nodule b emboliformnucleus c pyramid c dentate nucleus d uvula d red nucleus e lingual e spinal nucleus

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