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A) End expiration: At rest, intrapleural pressure must remain slightly negative (here it is shown as -5 mmHg) as i) the lung is elastic and has a tendency to collapse or shrink, and ii) the fluid lining the alveolar surfaces generates surface tension that works to collapse the lung.
î î î. What happens to N when under anesthesia and on 100% oxygen? Alveolar dead space. What is a spirometer? What are the 4 Volumes that describe pulmonary ventilation? What is Tidal Volume? What is Inspiratory Reserve Volume? What is Expiratory Reserve Volume? What is Residual Volume (RV)? What the 4 capacities (which are combinations of 2 or ...