Two units of blood have been requested for a patient with 2 antibodies. The negative frequency of oneantigen is 70% and for the other antigen is 45%. How many units should you screen?
Six units were crossmatched for a patient with a negative antibody screen. One of the units was incompatible, reacting 3+ at the antiglobulin phase. Which of the following antibodies could most likely be the cause of this reaction?