Newborn Nursing Care Q 4

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Which condition or treatment best ensures lung maturity in an infant?

  

     A. Meconium in the amniotic fluid

     B. Glucocorticoid treatment just before delivery

     C. Lecithin to sphingomyelin ratio more than 2:1

     D. Absence of phosphatidylglycerol in amniotic fluid

    

    

Correct Answer: C. Lecithin to sphingomyelin ratio more than 2:1.

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Option C: Lecithin and sphingomyelin are phospholipids that help compose surfactant in the lungs; lecithin peaks at 36 weeks and sphingomyelin concentrations remain stable.

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