Question Detail

BIO 201 Objective Question
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Question

What happens to the Negative Predictive Value (NPV) of a diagnostic assay as the prevalence of the condition decreases in a screened population?
Options
A NPV increases toward 100%
Correct Answer
B NPV decreases toward 0%
C NPV remains completely unchanged
D NPV becomes impossible to calculate
Correct Answer

Option A is the correct answer.

Detailed Explanation

When prevalence is extremely low, the total number of true negatives vastly outweighs false negatives, driving NPV close to 100%.

Hint

No hint available

Question Info

Course: BIO 201
Type: Objective
Difficulty: Not specified
Question 43 of 285
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