Anti-Sd^a Should Be Suspected If

Multiple Choice

Anti-Sd^a should be suspected if:

A) weak reactions at the antiglobulin phase occur with several panel cells.
B) reactions are stronger with enzymes at the immediate spin phase.
C) the antibody reacts with most panel cells and are mixed field and refractile microscopically.
D) weak reactions at the AHG phase titer out to high dilutions.