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: Anatomy
[{'content': 'Veebral aeries are derived from: \nSelect and explain. \nA. Axillary aery, B. Subclan aery, C. Internal carotid aery, D. None of the above', 'role': 'user'}, {'content': "Answer: B \nExplanation: The veebral aeries are derived from the subclan aeries. They ascend through the neck in the foramina transversaria of the upper six cervical veebrae and enter the cranial cavity through the foramen magnum, close to the anterolateral aspect of the medulla Ref: Gray's anatomy 40th edition, Chapter 17.", 'role': 'assistant'}]