RT Book, Section A1 Grewal, Mandeep A1 Yang, Seol W. A2 Freeman, Brian S. A2 Berger, Jeffrey S. SR Print(0) ID 1102569104 T1 Pulmonary Diffusion T2 Anesthesiology Core Review: Part One Basic Exam YR 2014 FD 2014 PB McGraw-Hill Education PP New York, NY SN 9780071821377 LK accessanesthesiology.mhmedical.com/content.aspx?aid=1102569104 RD 2023/03/28 AB Diffusion is a net movement of gas molecules from an area of high partial pressure to low partial pressure. Pulmonary diffusion largely refers to the passive movement of O2 and CO2 along their pressure gradients in the lungs. At the level of the alveolus, where pulmonary diffusion occurs, inhaled anesthetic agents move according to partial pressure differences.