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
After the stimulation is removed the response of normal pulp to hot or cold is: 
Select and explain. 
A. Brief pain, B. Prolonged pain, C. Brief feeling of warmth or cold, D. Prolonged feeling of warmth or cold
A: Brief pain
Answer: A: Brief pain 
Explanation: None