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QUESTION 9 10 points Save Answer How do glial cells affect regeneration in the n

ID: 219003 • Letter: Q

Question

QUESTION 9 10 points Save Answer How do glial cells affect regeneration in the nervous system? They secrete antigrowth factors in the PNS. The secrete neurotrophins and extracellular matrix molecules in the CNS. They infiltrate the area and clean up debris in the CNS. They form a physical barrier in the PNS QUESTION 10 10 points Save Answer Which evidence supports the idea that CNS neurons, besides motor neurons, can support axon growth and repair? Hypoxia leads to an increase in cytochrome c release from the mitochondria. Ischemia causes a cellular cascade that leads to an increase in expression of Bc12. Chronic traumatic encephalopathy increases deposits of tau protein in the cortex Peripheral grafts can support regrowth in the optic nerve.

Explanation / Answer

Question 9: Answer: B) they secrete neurotrophic sand extracellular matrix molecules in the CNS

The glial cells help in secretion of the neurogulins which are the proteins which are of the EGF family. These helpin regeneration of the nervous system.

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