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': 'Closure of Neural Tube begins at which of the following levels? \nSelect and explain. \nA. Cephalic end, B. Caudal end, C. Cervical Region, D. Thoracic Region', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Neural tube closure stas at 23rd day of embryo and is completed by 27th day. It begins in the future cervical region and continues caudally and cranially. Ref: Basic Clinical Neuroscience, 2nd Edition, Page 299; Color Atlas of Neuroscience: Neuroanatomy and Neurophysiology, Germany, Page 58', 'role': 'assistant'}]