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
Pulp capillary pressure 
Select and explain. 
A. 14 cm of H2O, B. 25 cm of H2O, C. 80 cm of H2O, D. 120 cm of H2O
A: 14 cm of H2O
Answer: A: 14 cm of H2O 
Explanation: None