Питання 24 з 90 · Тема: Gastrointestinal, respiratory, endocrine systems · Histology

A newborn delivered at 33 weeks of gestation has a respiratory rate of 70/min. and heart rate of 148/min. 2 hours after birth. He is grunting and has intercostal and subcostal retractions. He has peripheral cyanosis as well. An immediate chest radiograph is taken which shows a fine reticular granulation with ground glass opacity on both lungs. A neonatologist suggests respiratory distress syndrome due to surfactant deficiency. Which of the following is the most likely mechanism of these clinical and imaging findings?

1. A Decreased respiratory muscle work
2. B Decreased airways resistance
3. C Tendency of alveoli to collapse
4. D -
5. E Increased lung ventilation

Правильна відповідь: C. Tendency of alveoli to collapse