How Does HDN Cause Acquired Congenital Hemolytic Anemia

Multiple Choice

How does HDN cause acquired congenital hemolytic anemia?

A) HDN develops when hypoxia or dehydration cause the erythrocytes to change shapes, which are then recognized as foreign and removed from circulation.
B) HDN is an alloimmune disease in which the mother's immune system produces antibodies against fetal erythrocytes, which are recognized as foreign and removed from circulation.
C) HDN develops when the polycythemia present in fetal life continues after birth, causing the excessive number of erythrocytes to be removed from circulation.
D) HDN is an autoimmune disease in which the fetus's immune system produces antibodies against fetal erythrocytes, which are recognized as foreign and removed from circulation.