NCLEX RN Physiological Adaptation Related

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The nurse is caring for a term newborn. Which assessment finding would predispose the newborn to the occurrence of jaundice?

  • A. Presence of a cephalhematoma
  • B. Infant blood type of O negative
  • C. Birth weight of 8 pounds 6 ounces
  • D. A negative direct Coombs' test result
Correct Answer: A

Rationale: A cephalhematoma is swelling caused by bleeding into an area between the bone and its periosteum (does not cross over the suture line). Enclosed hemorrhage, such as with cephalhematoma, predisposes the newborn to jaundice by producing an increased bilirubin load as the cephalhematoma resolves (usually within 6 weeks) and is absorbed into the circulatory system. The classic Rh incompatibility situation involves an Rh-negative mother with an Rh-positive fetus/newborn. The birth weight in option 3 is within the acceptable range for a term newborn and therefore does not contribute to an increased bilirubin level. A negative direct Coombs' test result indicates that there are no maternal antibodies on fetal erythrocytes.