Transient Tachypnea of the Newborn
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Questions and Answers

What is the respiratory rate threshold defining transient tachypnea of the newborn?

  • Greater than 60 (correct)
  • Greater than 30
  • Greater than 80
  • Less than 60
  • What did Avery et al. suggest as the cause of transient tachypnea of the newborn?

  • Presence of phosphatidylglycerol in amniotic fluid
  • Immature surfactant system
  • Prematurity
  • Delayed reabsorption of lung fluid at birth (correct)
  • Which factor is NOT listed as a risk factor for transient tachypnea of the newborn?

  • Maternal sedation
  • Maternal age over 35 (correct)
  • Maternal bronchodilator therapy for asthma during pregnancy
  • Fetal asphyxia
  • What is believed to be lacking in the amniotic fluid of infants with transient tachypnea of the newborn?

    <p>Phosphatidylglycerol</p> Signup and view all the answers

    Which delivery method was historically thought to have a higher occurrence of transient tachypnea of the newborn?

    <p>Cesarean section</p> Signup and view all the answers

    Transient tachypnea of the newborn is the increase in respiratory rate, greater than 60, of a newly born infant. Historically, it was believed that TTN happened most often in babies born through ______ section, but this belief is still controversial.

    <p>cesarean</p> Signup and view all the answers

    Avery et al. conclude that TTN is the delayed reabsorption of lung fluid at the time of ______.

    <p>birth</p> Signup and view all the answers

    It is believed that TTN is the result of an immature surfactant system, which showed a lack of ______ in amniotic fluid.

    <p>phosphatidylglycerol</p> Signup and view all the answers

    Risk factors include prematurity, maternal sedation, maternal bronchodilator therapy for asthma during pregnancy, maternal increase in fluids during pregnancy, and fetal ______.

    <p>asphyxia</p> Signup and view all the answers

    TTN is the increase in respiratory rate, greater than 60, of a newly born infant. Historically, it was believed that TTN happened most often in babies born through ______ section, but this belief is still controversial.

    <p>cesarean</p> Signup and view all the answers

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