This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Mesentry, neurovascular bundle, Subject name: Anatomy
[{'content': 'Dermatome at umbilicus is \nSelect and explain. \nA. T8, B. T10, C. T12, D. L1', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Dermatome level of umbilicus is T 10. Dermatome of Epigastric level is T7 Dermatome of Supra pubic level is L1.', 'role': 'assistant'}]