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
Primary prevention in myocardial infarction are all EXCEPT: 
Select and explain. 
A. Maintenance of normal body weight, B. Change in life style, C. Change in nutritional habits, D. Screening for hypeension
D: Screening for hypeension
Answer: D: Screening for hypeension 
Explanation: - 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.