A nurse is reviewing laboratory results for a newborn who was born to a mother who has type O positive blood and tested negative for hepatitis B surface antigen (HBsAg).
The newborn has type A positive blood and tested positive for Coombs antibody (anti-A).
Which of the following actions should the nurse take?
Administer hepatitis B immune globulin (HBIG) to the newborn within 12 hours of birth.
Monitor the newborn for signs of jaundice and anemia.
Obtain a blood sample from the newborn for blood typing and crossmatching.
Prepare the newborn for exchange transfusion with type O negative blood.
The Correct Answer is B
Monitor the newborn for signs of jaundice and anemia.
This is because the newborn has a positive Coombs test, which means that there are antibodies against the newborn’s red blood cells (RBCs) in the blood.
These antibodies can cause hemolysis (destruction) of the RBCs, leading to jaundice (yellowing of the skin and eyes due to high bilirubin levels) and anemia (low RBC count and hemoglobin levels). The most likely cause of the positive Coombs test in this case is ABO incompatibility, which occurs when the mother has type O blood and the newborn has type A or B blood.
Choice A is wrong because administering hepatitis B immune globulin (HBIG) to the newborn within 12 hours of birth is indicated for newborns whose mothers are positive for hepatitis B surface antigen (HBsAg), which is not the case here.
Choice C is wrong because obtaining a blood sample from the newborn for blood typing and crossmatching is not necessary, as the newborn’s blood type is already known to be A positive.
Choice D is wrong because preparing the newborn for exchange transfusion with type O negative blood is a treatment option for severe cases of hemolytic disease of the newborn (HDN), which is not evident in this scenario. Exchange transfusion involves replacing the newborn’s blood with donor blood to remove antibodies and bilirubin.
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Related Questions
Correct Answer is ["A","B","C","E"]
Explanation
Swaddling, pacifiers, gentle touch and music therapy are all non-pharmacological interventions that can help soothe a newborn during an assessment.
These methods can provide comfort, security, distraction and stimulation for the newborn.
Choice D is wrong because glucose water is a pharmacological intervention that can be used to reduce pain during procedures such as heel sticks or circumcision.Glucose water should not be given routinely to newborns as it can interfere with breastfeeding and cause electrolyte imbalances.
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Correct Answer is A
Explanation
Place the newborn on the mother’s chest after delivery.This is because skin-to-skin contact between mother and baby promotes bonding and attachment, which are essential for the baby’s emotional and psychological development.Skin-to-skin contact also helps regulate the baby’s body temperature, heart rate, breathing and blood sugar levels.
Choice B is wrong because wrapping the newborn in a blanket reduces the skin-to-skin contact and may interfere with the bonding process.The father can also bond with the baby by holding him or her against his own skin.
Choice C is wrong because placing the newborn in an isolette separates the baby from the mother and prevents close interaction and communication.The baby may feel insecure and isolated in an isolette.
Choice D is wrong because dressing the newborn in a gown and hat also reduces the skin-to-skin contact and may delay the initiation of breastfeeding.The baby may also lose more heat through clothing than through direct contact with the mother’s body.
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