CENTRAL NERVOUS SYSTEM [CNS] TUTORIAL DISCUSSION
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Transcript of CENTRAL NERVOUS SYSTEM [CNS] TUTORIAL DISCUSSION
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CENTRAL NERVOUS SYSTEM [CNS] TUTORIAL DISCUSSION
Dr. Zahoor
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Q.1 What is organization of CNS?
Q2. What are four types of Glial cells? Give
function of each cell.
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GLIAL CELLS
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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.
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Q7. What we mean by
i). Diencephalon
ii). Brain stem
Q8. Where is Respiratory center present?
Q9. What is gray matter of brain?
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Q10. What is white matter of brain?
Q11. Name the four lobes of cerebral
hemisphere.
Q12. Where is motor cortex located?
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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?
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REFLEXESTUTORIAL
DISCUSSIONDr. Zahoor
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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?
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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?
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SENSORY SYSTEMTUTORIAL
DISCUSSIONDr.Zahoor
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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?
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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?
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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?
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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?
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Q17. Small receptive field has more
discrimination or large receptive field?
Q18. What is phantom limb?
Q19. What is referred pain? Give two
examples.
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MOTOR SYSTEMTUTORIAL
DISCUSSIONDr. Zahoor
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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?
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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?
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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?
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Thank you