This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
[{'content': 'Disease or infarction of neurological tissue causes it to be repaired by - \nSelect and explain. \nA. Fluid, B. Neuroglia, C. Proliferation of adjacent nerve cells, D. Blood vessel', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Neuroglia (astrocytes) are the principle cells in the central nervous system responsible for reaction to infra), repair and scar formation in the brain. - What fibroblasts do elsewhere neuroglia do in the CNS. Gliosis is the most important histopathologic indicator of CNS injury. Astrocytes participate in this process by undergoing both hypertrophy and hyperplasia.', 'role': 'assistant'}]