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
Normal intrapulp pressure is 
Select and explain. 
A. 10mm Hg, B. 5mm Hg, C. 7mm Hg, D. 15mm Hg
A: 10mm Hg
Answer: A: 10mm Hg 
Explanation: None