#july2020usmle2ck
Which one of the following cells lines the alveoli and secretes the surfactant?
A- Clara cells
B- K cells
C- Macrophages
D- Pneumocytes type I
E- Pneumocytes type II
Which one of the following cells lines the alveoli and secretes the surfactant?
A- Clara cells
B- K cells
C- Macrophages
D- Pneumocytes type I
E- Pneumocytes type II