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
If two screening tests are used in parallel, then we have 
Select and explain. 
A. Decrease Positive Predictive Value(PPV) and Increase Negative Predictive Value(NPV), B. Increase NPV and Decrease PPV, C. Increase PPV and Increase NPV, D. Decrease PPV and Decrease NPV
A: Decrease Positive Predictive Value(PPV) and Increase Negative Predictive Value(NPV)
Answer: A: Decrease Positive Predictive Value(PPV) and Increase Negative Predictive Value(NPV) 
Explanation: None