A positive direct antiglobulin test (DAT)using anti-complement reagent is generally interpreted as the presence of which class of antibody?

Question

Quizplus · Accepted Answer

IgM antibodies are efficient at activating complement, which can then be detected by a direct antiglobulin test (DAT) using anti-complement reagents. This is because IgM is a potent activator of the complement system, leading to the binding of complement components to the red blood cell surface, which the DAT can detect.

A Positive Direct Antiglobulin Test (DAT)using Anti-Complement Reagent Is Generally