_________ is typically added before the incubation phase of the antibody screen test.

Question

Quizplus · Accepted Answer

PEG (polyethylene glycol) is used to enhance the agglutination of red blood cells in the antibody screen test. It does not necessarily have to be added before incubation, but it is usually added before the addition of the AHG (anti-human globulin) reagent. The AHG reagent is added after incubation to detect any antibodies bound to the red blood cells. Therefore, choices A, B, and C are not appropriate answers for this question.

_________ Is Typically Added Before the Incubation Phase of the Antibody