SBB-Rh System QUESTIONS AND ANSWERS VERIFIED BY EXPERT | LATEST UPDATE 2025

SBB-Rh System QUESTIONS AND ANSWERS
VERIFIED BY EXPERT | LATEST UPDATE 2025

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:-