This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Biostatistics, Subject name: Social & Preventive Medicine
[{'content': 'Following disaster green colour of triage used for which patients \nSelect and explain. \nA. Ambulatory, B. Medium priority, C. High priority, D. Dead', 'role': 'user'}, {'content': 'Answer: A \nExplanation: TRIAGE:- * The principle of first come first served is not followed in mass emergencies * Triage consists of rapidly classifying the injured on the basis of severity of their injuries and the likelihood of their survival with prompt medical intervention Four color code system:- * Red -high priority * Yellow - medium priority * Green - ambulatory patients * Black - dead or moribund patients Ref:- K Park, 24th ed; pg num:- 833', 'role': 'assistant'}]