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
[{'content': 'The potentially hazardous irrigant causing an emergency during treatment is \nSelect and explain. \nA. Saliva, B. Chlorhexidine, C. Sodium Hypochlorite, D. Metrogyl', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]