A Patient Was Admitted to the Hospital with Acute Bleeding

Multiple Choice

A patient was admitted to the hospital with acute bleeding.Anti-E was detected in the patient's serum.Four E-negative units of blood were crossmatched for the patient.The units were compatible at immediate spin and following the antiglobulin test.After the antiglobulin test was performed,IgG-sensitized red cells gave a 2+ agglutination reaction.The proper interpretation of this 2+ agglutination reaction is the:

A) antihuman globulin washing procedure was adequate.
B) IgG-sensitized red cells spontaneously agglutinated.
C) crossmatch was incompatible.
D) patient's anti-E reacted with the IgG-sensitized red cells.