Why are pregnant Rh- women given an injection of Rh immune globulin?
A. Antibodies in the injection bind fetal RBC antigens so they cannot stimulate her immune system to produce anti-D antibodies.
B. Antibodies in the injection bind fetal RBC antigens so they cannot stimulate her immune system to produce anti-B antibodies.
C. Antibodies in the injection bind fetal RBC antigens so they cannot stimulate her immune system to produce anti-A and anti-B antibodies.
D. Antibodies in the injection bind fetal RBC antigens so they cannot stimulate her immune system to produce anti-A antibodies.
E. Antibodies in the injection bind fetal RBC antigens so they cannot stimulate her immune system to produce anti-O antibodies.
Answer: A
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