What causes allergic transfusion reactions?
a. Patient antibodies that are directed against antigens present on the transfused red blood cells.
b. Patient antibodies to non-ABO red blood cell antigens.
c. Preformed plasma antibodies that react with protein-based allergens.
d. Pulmonary infiltrates caused by antibodies to HLA antigens.
Question 2
Patients at a greater risk for transfusion-associated graft versus host disease (TA-GVHD) include all the following except
a. Fetuses
b. Older adults
c. Patients with Hodgkin's disease
d. Hematopoietic stem cell transplant recipients
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