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: Social & Preventive Medicine
[{'content': 'Using seatbelt is which level of prevention ? \nSelect and explain. \nA. Primary, B. Secondary, C. Teiary, D. Rehabilitation', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b i.e., Secondary Primary prevention refers to intervention before event, to prevent it completely. Secondary prevention involves the lessening the extent of injury given that an event occur. Wearing a seatbelt will not prevent the collision but may lessen its effects. Thus it is secondary level of prevention.", 'role': 'assistant'}]