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': 'Action which halts the progression of a disease in early stage - \nSelect and explain. \nA. Primordial prevention, B. Primary prevention, C. Secondary prevention, D. Teiary prevention', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. is \'c\' i.e., Secondary prevention Secondary prevention can be defined as "action which halts the progress of a disease at its incipient stage and prevents complications".', 'role': 'assistant'}]