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
In a stable situation - 
Select and explain. 
A. Incidence = prevalence x Duration, B. Prevalence = Incidence x Duration, C. Incidence = Prevalence + Duration, D. Prevalence = Incidence+ Duration
B: Prevalence = Incidence x Duration
Answer: B: Prevalence = Incidence x Duration 
Explanation: None