Does an Rh+ mother carrying an Rh? fetus require a RhoGAM injection? Explain your answer
A) No, she will not require a RhoGAM injection because the fetus is not at risk for Rh incompatibility. The fetus is not at risk because its RBCs lack Rh surface antigens and the mother's plasma lacks anti-Rh antibodies.
B) No, she will not require a RhoGAM injection because the fetus is not at risk for Rh incompatibility. The fetus is not at risk because its RBCs contain Rh surface antigens and the mother's plasma has anti-Rh antibodies.
C) Yes, she will require a RhoGAM injection because the fetus is at risk for Rh incompatibility. The fetus is at risk because its RBCs contain Rh surface antigens and the mother's plasma has anti-Rh antibodies.
D) Yes, she will require a RhoGAM injection because the fetus is at risk for Rh incompatibility. The fetus is at risk because its RBCs lack Rh surface antigens and the mother's plasma has anti-Rh antibodies.
E) Yes, she will require a RhoGAM injection because the fetus is at risk for Rh incompatibility. The fetus is at risk because its RBCs lack Rh surface antigens and the mother's plasma lacks anti-Rh antibodies.
Answer: A
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