SBB-Rh System QUESTIONS AND ANSWERS

Name the three genes responsible for the production of Rh antigens: a. RHAG, RH1, and RH2 b. RHAG, DCE, and dce c. RHAG, RHD, and RHCE d. RHD, RHCc, and RHEe e. RHD, RHCE, and RHce - Answer- c Which of the following red blood cell abnormalities is associated with the Rhnull phenotype? Stomatocytes Ovalocytes Acanthocytes Spherocytes Schistocytes - Answer- stomatocytes A patient has the following Rh phenotype: D:+ C:+ c:+ E:+ e:+ What is her most likely Rh genotype? R1R1 R1R2 R2r R0ry R2r" - Answer- R1R2 A Caucasian patient has the following Rh phenotype: D:+ C:+ c:+ E:- e:+ Which of the following is his most likely Rh genotype? R1R0 R1r R0r R1R1 R0r' ryr' - Answer- R1r An African-American patient has the following Rh phenotype: D:+ C:+ c:+ E:+ e:+ f:- Which of the follo