In addition to matching ABO antigens, a blood transfusion must also be matched for:
a. HLA type.
b. Rh antigen.
c. immunoglobulins.
d. platelet compatibility.
ANS: B
Blood transfusions must also be matched for the Rh antigen. Blood transfusions do not need to be matched to HLA, immunoglobulins, or platelet compatibility.
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