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: Dental
[{'content': 'Number of odontoblast cells present in the pulp/mm2 is \nSelect and explain. \nA. 59000-76000, B. 4000-12000, C. 70000-90000, D. No odontoblast cell is present in the pulp', 'role': 'user'}, {'content': 'Answer: A \nExplanation: More odontoblasts are present in the coronal than radicular pulp', 'role': 'assistant'}]