A 31 year old woman at 30 weeks gestation is admitted with preterm premature rupture of membranes and regular contractions. The fetus has reassuring heart tones. The obstetric team gives a medication to accelerate synthesis and release of surfactant before delivery. Which of the following fetal cells is the primary target of this therapy?
- A)Type II pneumocytesGABARITO
- B)Type I pneumocytes
- C)Club cells
- D)Pulmonary endothelial cells
- E)Alveolar macrophages
Explicação
Type II pneumocytes are correct. Antenatal glucocorticoids accelerate fetal lung maturation by stimulating type II pneumocytes to synthesize and secrete surfactant, which lowers alveolar surface tension and improves lung compliance after birth. This reduces th... Ver explicação completa e trilha adaptativa →