This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Concept of health and disease, Subject name: Social & Preventive Medicine
[{'content': 'Prevention of emergence of risk factor is \nSelect and explain. \nA. Primordial prevention, B. Primary prevention, C. Secondary prevention, D. Teiary prevention', 'role': 'user'}, {'content': "Answer: A \nExplanation: Primodial prevention aims at preventing emergence of risk factors Ref : Park's Textbook of Preventive and Social Medicine; 23rd edition", 'role': 'assistant'}]