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
Primordial prevention is done in population - 
Select and explain. 
A. With risk factors, B. Without risk factors, C. Whole population with low prevalence of disease, D. Population with disease
B: Without risk factors
Answer: B: Without risk factors 
Explanation: In primordial prevention, action is taken prior to emergence of risk factor, i.e. action is taken in population which has not developed risk factor.