08-05-2006, 08:41 AM
You are working in a busy ob/gyn hospital where a woman goes into premature labor. She is at 25 weeks gestation. You have heard of heroic efforts that can keep 26-week premature children alive. The pharmacy has notified you that there is a nationwide shortage of surfactant, and none is available in your hospital or nearby. It is impossible for you to get surfactant tonight. In terms of developmental timelines, at what stage do you expect to find the fetus's lungs at 26 weeks?
A Alveolar period
B Canalicular period
C Ductal period
D Granular or pseudogranular lung tissue
E Terminal sac period
A Alveolar period
B Canalicular period
C Ductal period
D Granular or pseudogranular lung tissue
E Terminal sac period