What is the next step in the investigation of a positive direct antiglobulin test with polyspecific antihuman globulin reagent?
A) Repeat the direct antiglobulin test using warm saline.
B) Perform an eluate.
C) Add IgG-sensitized red cells to verify positive reaction.
D) Repeat the direct antiglobulin test using monospecific anti-IgG and anti-C3 reagents.

Question

Quizplus · Accepted Answer

Polyspecific antihuman globulin contains both a complement and IgG component.To determine which caused the positive reaction,red cells should be tested separately using monospecific anti-IgG and anti-C3 reagents.

What Is the Next Step in the Investigation of a Positive