When antibodies or other substances in serum cross-react with the test reagents, a false positive result can occur.

Question

Quizplus · Accepted Answer

When antibodies or other substances in serum cross-react with the test reagents, it can lead to a false positive result. This is because the cross-reacting substance may bind to the test reagents in a similar way as the target substance, leading to a positive signal even when the target substance is not present in the sample.

When Antibodies or Other Substances in Serum Cross-React with the Test