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The Preterm Newborn
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Compared to term infants, neonates born prematurely have higher associated rates of which of the following?
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c. Congenital malformations
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What is a reason for the decrease in preterm birth from 12% in 2007 to 10% in 2014?
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a. Liberalized use of cerclage
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b. Decrease in teen birth rate
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c. Universal cervical length screening
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d. Use of 17-alpha hydroxyprogesterone caproate
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Respiratory distress syndrome contributes to which of the following comorbidities?
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b. Pulmonary hypertension
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c. Necrotizing enterocolitis
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What is the mechanism of action by which surfactant prevents respiratory distress syndrome in neonatal lungs?
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a. Clears fluid from the lungs
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b. Dilates the pulmonary vasculature
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c. Lowers surface tension in the alveoli
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d. Aids in maturation of the terminal bronchioles
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Respiratory distress syndrome can develop in the term infant as surfactant can be inactivated by which of the following substances?
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What is the etiology of the diffuse reticulogranular infiltrate seen on the chest radiograph below?
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a. Persistent fetal circulation
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b. Bronchopulmonary dysplasia
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c. Respiratory distress syndrome
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d. Transient tachypnea of the newborn
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