<prompt> In a preterm baby with respiratory distress syndrome which type of cell is deficientType 1 alveolar cellType 2 alveolar cellAlveolar capillary endothelial cellsBronchial mucosal epithelial cells  <response>: After bih Lung expands due inspiring air surfactant keeps the bug from collapsing defficieney of surfactant Respiratory Distress Syndrome ref : guyton and hall 13th ed. 