When phenotyping for the corresponding antigen of the most p…

When phenotyping for the corresponding antigen of the most probable antibody(ies) in the final steps of antibody ID, you should select a cell that is __________ the antigen for the positive control, and a cell that is_____________ the antigen for the negative control. 

Red blood cells were treated with ficin to help rule in anti…

Red blood cells were treated with ficin to help rule in anti-Fyb from a panel study. Cells not treated reacted at 2+ at immediate spin and 1+ at 37°C. There was no reactivity in the Coombs phase. Ficin-treated cells demonstrated a _______ reaction with patient serum containing anti-Fyb.