Lesson 3: The Rh Blood Group System Questions and Answers

immunogenic - Correct Answer Rh antigens are very _____ second - Correct Answer rh is the ___ most important blood group system after ABO pretransfusion testing - Correct Answer determining the presence or absence of RhD is critical in ______ immunizing guinea pigs and rabbits with red cells from rhesus (Rh) monkeys - Correct Answer the Rh system was identified in the 1940's by landsteiner and wiener, reported on an antibody produced by _____ this antibody agglutinated 85% of human RBC's and was named Rh. 5 - Correct Answer __ major antigens make up the Rh system 50 - Correct Answer the Rh system is made up of nearly __ different specificities ( RBC antigens) 85% - Correct Answer what percent of tested donors and patients are D positive ? 15% - Correct Answer what percent of tested donors and patients are D negative? HDN and transfusion reactions - Correct Answer Rh is the primary cause of : DdCcEe - Correct Answer Fisher-Race is the nomenclature that uses ____ symbols genes and antigens - Correct Answer fisher race is referred to as the DCE notation and describes d - Correct Answer the __ notation used in the fisher-Race terminology is used only to denot the ABSENCE of D antigen Dce - Correct Answer what gene combination is prevalent amongst the black population? The Rh locus contains three distinct genes that control production of their respective antigens - Correct Answer Two theories of Rh genetic control were initially postulated to explain genetically the results of serologic and biochemical studies in the Rh system. Fisher and Race proposed : a single gene produces a single product that contains separately recognizable factors - Correct Answer Two theories of Rh genetic control were initially postulated to explain