This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous System, Subject name: Radiology
[{'content': 'Which one of the following brain tumors is highly vascular in nature? \nSelect and explain. \nA. Glioblastoma., B. Meningiomas., C. C P angle epidermoid., D. Pituitary adenomas.', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B. MeningiomasA number of neoplastic lesions in the head and neck area are hypervascular, most commonly meningiomas and hemangioblastoma intra cranially and Paragangliomas and juvenile nasopharyngeal angio fibromas extra cranially.', 'role': 'assistant'}]