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CENTRAL NERVOUS SYSTEM [CNS] TUTORIAL DISCUSSION

CENTRAL NERVOUS SYSTEM [CNS] TUTORIAL DISCUSSION. Dr. Zahoor. Q.1 What is organization of CNS? Q2. What are four types of Glial cells? Give function of each cell. GLIAL CELLS. Q3. Where is CSF present? What is its function? Q4. What is hydrocephalus? Q5. What is Blood Brain Barrier?

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CENTRAL NERVOUS SYSTEM [CNS] TUTORIAL DISCUSSION

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  1. CENTRAL NERVOUS SYSTEM [CNS] TUTORIAL DISCUSSION Dr. Zahoor

  2. Q.1 What is organization of CNS? Q2. What are four types of Glial cells? Give function of each cell.

  3. GLIAL CELLS

  4. Q3. Where is CSF present? What is its function? Q4. What is hydrocephalus? Q5. What is Blood Brain Barrier? Q6.Brain function depends on two important things. Name them.

  5. Q7. What we mean by i). Diencephalon ii). Brain stem Q8. Where is Respiratory center present? Q9. What is gray matter of brain?

  6. Q10. What is white matter of brain? Q11. Name the four lobes of cerebral hemisphere. Q12. Where is motor cortex located?

  7. Q13. If left motor cortex is damaged, where paralysis will occur? Q14. Where is sensory cortex situated? Q15. If there is damage to right sensory cortex, where sensory deficit will occur? Q16. In which lobe visual area is present?

  8. REFLEXESTUTORIAL DISCUSSION Dr. Zahoor

  9. Q1. What is Reflex? Q2. What are the components of reflexes? Q3. Name the five components of reflex, taking knee jerk as example. Q4. Name two monosynaptic reflexes. Q5. Name two polysynaptic reflexes. Q6. What is Babiniski sign?

  10. Q7.What is center for biceps jerk and ankle jerk? Q8. What is function of α motor neuron and γ motor neuron? Q9. What is the function of dorsal and ventral horn cell in spinal cord? Q10. Where does spinal cord ends?

  11. SENSORY SYSTEMTUTORIAL DISCUSSION Dr.Zahoor

  12. Q1. What is receptor and what is receptor potential? Q2. a). Name the Mechano receptors. b). Name the two fast adopting receptors. c). Name two non adopting or slow adopting receptors. Q3. What are the receptors for pain and temperature? Q4. What is nocireceptor and polymodal pain receptors?

  13. Q5. What fibers carry fast pain, and slow pain? Q6. Sensation carried by sensory nerve, enter where in the spinal cord? Q7. What is function of dorsal horn and ventral horn in the spinal cord? Q8. Name the sensory tracts and what sensation they carry?

  14. Q9. Draw the dorsal or posterior column. Q10. Draw the ventrolateral spinothalamic tract. Q11. If there is hemisection of spinal cord at right T12 level, what sensation will be lost on 1. same side 2. opposite side 3. where motor paralysis will occur? Q12. How body is represented in the sensory cortex?

  15. Q13. Which parts of the body has more representation in the sensory cortex? Why? Q14. If sensory cortex is destroyed, can the person still feel the pain? Q15. If sensory cortex is destroyed, can he localize the site of pain? Q16. What are functions of sensory cortex?

  16. Q17. Small receptive field has more discrimination or large receptive field? Q18. What is phantom limb? Q19. What is referred pain? Give two examples.

  17. MOTOR SYSTEMTUTORIAL DISCUSSION Dr. Zahoor

  18. Q1. Where is motor cortex situated? Q2. From where sensory motor cortex gets the decision? Q3. What is function of primary motor cortex? Q4. How body is represented in the motor cortex? Q5. Pyramidal tract arise from where, and where do they cross?

  19. Q6. Name the extra pyramidal tracts. Q7. Extra pyramidal tracts get information from where? Q8. Extra pyramidal tracts send message where ? Q9. What are the main functions of extra pyramidal tracts?

  20. Q10. Give four differences between pyramidal and extra pyramidal tract. Q11. What is UMN? Q12. What happens in UMN? Select one Hypertonia/Hypotonia Q13. What is difference between UMN and LMN?

  21. Thank you

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