Possible Causes of a Missing or Weak Reaction in the Forward

question 12

Multiple Choice

Possible causes of a missing or weak reaction in the forward group include all of the following except

• A)Disease that alters the ABO antigen expression
• B)Excessive soLuᵇle ABO antigens in patient/donor's plasma
• C)Hypogammaglobulinemia
• D)Transfusion or transplantation

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