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
The most impoant function of sentinel surveillance is - 
Select and explain. 
A. To find the total amount of disease in a population, B. To plan effective control measures, C. to determine the trend of disease in a population, D. To notify disease
A: To find the total amount of disease in a population
Answer: A: To find the total amount of disease in a population 
Explanation: Ans. is 'a' i.e., To find the total amount of disease in a population The sentinel data is extrapolated to the entire population to estimate the disease prevalence in the total population. o So, it helps in estimating the total amount of disease in a community. Advantages of sentinel surveillance i) Repoing Bias is minimized ii) Feed-back information is simplified