Select the appropriate strategy if the results of red cell and serum testing in the ABO typing procedure have negative agglutination reactions.
A) Wash patient cells with warm saline.
B) Use polyclonal typing reagents.
C) Perform an autocontrol.
D) Incubate tubes at room temperature or 4° C with an autocontrol.

Question

Quizplus · Accepted Answer

ABO antibodies are stronger at room temperature or lower.The autocontrol determines whether the enhanced antibody reaction was due to the ABO antibodies or to a cold reacting antibody.The autocontrol should be negative for the ABO typing to be valid.

Select the Appropriate Strategy If the Results of Red Cell