<prompt> In a preterm baby with respiratory distress syndrome, which of the following lipid would be deficient?SphingomyelinCardiolipinLecithinNone of the above  <response>: Respiratory Distress Syndrome Hyaline Membrane Disease: Most common cause of respiratory distress in preterm neonate Basic defect: Deficiency of mature surfactat SURFACTANT COMPOSTION: DPPC Di-Palmitoyl-Phosphatidyl Choline or Lecithin:The most impoant lipid component of surfactant, Phosphatidyl glycerol, Cholesterol, Surfactant proteins: A, B, C, D, The most impoant surfactant protein:Surfactant protein B. 