This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Levels of Prevention of Disease, Subject name: Social & Preventive Medicine
[{'content': 'Primary prevention in myocardial infarction are all EXCEPT: \nSelect and explain. \nA. Maintenance of normal body weight, B. Change in life style, C. Change in nutritional habits, D. Screening for hypeension', 'role': 'user'}, {'content': 'Answer: D \nExplanation: - All screening & diagnostic tests comes under secondary level of prevention. - Hence, Screening for hypeension is a secondary level of prevention. It aims to reduce the prevalence of a disease by shoening its duration. - All other options given protects against development of MI. Hence, primary level of prevention.', 'role': 'assistant'}]