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
If less current is needed to elicit a response from a traumatized tooth indicates: 
Select and explain. 
A. Pulpal inflammation, B. Pulp necrosis., C. Pulp death., D. All of the above.
A: Pulpal inflammation
Answer: A: Pulpal inflammation 
Explanation: If injured tooth requires more current than that for a normal tooth to give response indicates pulp death.
If less current is needed to elicit a response from a traumatize tooth indicates pulpal inflammation.