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    ATI NUR209 Maternal Newborn Final Assessment Proctored Exam 2025

    An 18-hour-old infant with hyperbilirubinemia is placed under phototherapy bank lights.Which of the following is an appropriate intervention for this infant?

    Explanation & Rationale

    Choice A rationaleMaximizing skin exposure to phototherapy lights ensures effective breakdown of bilirubin through photoisomerization, reducing serum bilirubin levels. Phototherapy converts unconjugated bilirubin to water-soluble isomers that are excreted via bile and urine. Exposing more skin enhances light absorption, increasing treatment efficacy. Normal bilirubin levels in newborns range from 1 to 12 mg/dL. This intervention aligns with standard protocols for managing hyperbilirubinemia in neonates.Choice B rationaleApplying lotion during phototherapy can cause skin burns by altering light penetration and causing a thermal effect. It may also increase the risk of skin irritation and infections. Phototherapy lights generate heat, and lotions can exacerbate these effects, leading to complications. Effective bilirubin management depends on clean, dry skin under the lights.Choice C rationaleWhile eye shields are critical to protecting the infant’s retina and cornea from potential phototoxicity, removing them during breastfeeding is necessary. This promotes bonding and facilitates feeding. Continuous shield use can obstruct parental interaction and feeding, which are vital for infant care. Shielding should only occur during phototherapy exposure.Choice D rationaleSwaddling restricts skin exposure to the therapeutic lights, negating the benefits of phototherapy. It prevents effective breakdown of bilirubin as less skin is exposed to the treatment. Neonates under phototherapy should be minimally clothed, often only wearing a diaper, to maximize light absorption and ensure treatment success.

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