Faye Evans, MD Boston Children's Hospital Article by Myron Yaster MD (from the October 26, 2022 PAAD) Many of you know Dr. Faye Evans of the … [Continue Reading]
Question of the Week
An infant delivered via cesarean section at 28 weeks gestational age is unable to maintain her oxygen saturation above 90% despite being on an FiO2 of 0.6. The infant is intubated and started on surfactant replacement therapy. Which of the following MOST accurately describes the mechanism of action of surfactant?
A. Decreases lung compliance
B. Decreases alveolar surface tension
C. Increases alveolar diffusion
D. Decreases transpulmonary pressure