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
Gross debridement, lubrication, microbial destruction and tissue dissolution are done by this irrigating solution 
Select and explain. 
A. Sodium hypochlorite, B. Normal saline, C. RC prep, D. Hydrogen peroxide
A: Sodium hypochlorite
Answer: A: Sodium hypochlorite 
Explanation: None