<prompt> A primiparous D-negative Rh-negative mother has just delivered a D-positive child. Administration of which of the following substances would be indicatedAnti-D IgG to childAnti-D IgG to motherD-positive red cells to childD-positive red cells to mother  <response>: - Administration of anti-D antiserum to D-negative mother within 72hrs of delivery of D-positive child prevents maternal alloimmunization by removing fetal red cells from the maternal circulation. 