Question Detail

BIO 201 Objective Question

Question

A diagnostic test with a Negative Likelihood Ratio (LR-) close to 0.1 indicates which diagnostic property?
Options
A A negative test result significantly decreases the post-test probability of disease
Correct Answer
B The test has poor utility for ruling out disease
C A positive test result increases post-test probability tenfold
D The test performance is equivalent to random chance
Correct Answer

Option A is the correct answer.

Detailed Explanation

An LR- well below 1.0 (such as 0.1) substantially reduces the odds of disease following a negative test result, making it effective for ruling out illness.

Hint

No hint available

Question Info