A patient's serum sample is added to a solution containing particulate antigen,but no agglutination is observed.What should be done next?

Question

Quizplus · Accepted Answer

Serial dilutions can help to increase the sensitivity of the test and detect low levels of antibodies that may not have been detected in the initial test. This is a common approach in serological testing to confirm or rule out a diagnosis. Adding more antigen may not always be feasible or appropriate, and reading the reaction in dim light may lead to inaccurate results. Reporting out as negative without further investigation may also overlook a true positive result.

A Patient's Serum Sample Is Added to a Solution Containing