An 840-gram female newborn delivered at 29 weeks gestation develops severe respiratory distress and is managed in ICU. Which of the following combinations of variables best explains this patient’s presentation?
↑ Sphingomyelin; ↓ Dipalmitoylphosphatidylcholine; ↓ Phosphatidylglycerol
↑ Sphingomyelin; ↓ Dipalmitoylphosphatidylcholine; ↔ Phosphatidylglycerol
↓ Sphingomyelin; ↑ Dipalmitoylphosphatidylcholine; ↑ Phosphatidylglycerol
↓ Sphingomyelin; ↑ Dipalmitoylphosphatidylcholine; ↓ Phosphatidylglycerol
↓ Sphingomyelin; ↑ Dipalmitoylphosphatidylcholine; ↔ Phosphatidylglycerol
—
Cut-to-the-chase Answer (0:58):
—
HY USMLE Answer (2:08):