RN NCLEX Practice Test Related

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The mother of a one-year-old with sickle cell anemia wants to know why the condition didn't show up in the nursery. The nurse's response is based on the knowledge that:

  • A. There is no test to measure abnormal hemoglobin in newborns.
  • B. Infants do not have insensible fluid loss before a year of age.
  • C. Infants rarely have infections that would cause them to have a sickling crises.
  • D. The presence of fetal hemoglobin protects the infant.
Correct Answer: D

Rationale: Fetal hemoglobin (HbF), predominant in newborns, inhibits sickling in sickle cell anemia, delaying symptoms until HbF decreases around 6 months. Newborn screening exists, and infections can trigger crises later.