Concerning hemolytic diseases of the newborn, nurses should be aware that:
1. Rh incompatibility only matters when an Rh-negative offspring is born to an Rh-positive mother.
2. ABO incompatibility is more likely than Rh incompatibility to precipitate signif-icant anemia.
3. exchange transfusions are frequently required in treatment of hemolytic disorders.
4. the indirect Coombs' test is performed on the mother before birth; direct Coombs' test is performed on the cord blood after birth.
4
1. Incorrect. Only the Rh-positive offspring of an Rh-negative mother is at risk.
2. Incorrect. ABO incompatibility is more common than Rh incompatibility but causes less severe problems; significant anemia, for instance, is rare with ABO.
3. Incorrect. Exchange transfers are needed infrequently because of the decrease in the in-cidence of severe hemolytic disease in newborns from Rh incompatibility.
4. Correct. An indirect Coombs' test may be performed on the mother a few times during pregnancy.
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