<prompt> Which of the following is not seen in ARDS:Pulmonary edemaHypoxemiaStiff lungHypercapnia  <response>: Answer is D Hypercapnia: ARDS results in Type I Respiratory failure and is characterized by normal or h, PaCO2 Hypocapnia and not Hypercapnia. Reduced compliance Stiff lung, Hypoxemia and Non-Cardiogenic Pulmonary Edema are typical features of ARDS. 