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': 'If less current is needed to elicit a response from a traumatized tooth indicates: \nSelect and explain. \nA. Pulpal inflammation, B. Pulp necrosis., C. Pulp death., D. All of the above.', 'role': 'user'}, {'content': 'Answer: A \nExplanation: If injured tooth requires more current than that for a normal tooth to give response indicates pulp death.\nIf less current is needed to elicit a response from a traumatize tooth indicates pulpal inflammation.', 'role': 'assistant'}]