respiratory phys Matching
| functional measurement, volume of the lungs that does not participate in gas exchange |
| volume inspired or expired with each normal breath |
| sum of tidal volume and inspiratory reserve volume |
| normally passive, used during exercise; includes abdominal muscles and internal intercostals |
| expiratory reserve volume |
| volume that can be expired after the expiration of a tidal volume |
| volume that remains in the lungs after maximal expiration |
| volume of air that can be forcibly expired after maximal inspiration |
| diaphragm and external intercostals |
| alveolar pressure equals atmospheric pressure, intrapleural pressure is negative |
| synthesized by type II alveolar cells and consits primarily of DPPC; lecithin:sphingomyelin ratio >2:! indicates mature levels of surfactant |
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