Review Note
Last Update: 11/11/2024 02:36 AM
Current Deck: ANAHIS B3
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Commit #199210
During inspiration, the diaphragm contributes to the 'piston action.' Describe the effect of this action on thoracic volume and pressure.
a. The diaphragm moves upward, decreasing thoracic volume and increasing pressure to facilitate expiration.
b. The diaphragm contracts and moves downward, increasing thoracic volume and decreasing intrapleural pressure to allow air entry.
c. The diaphragm contracts laterally, increasing pleural pressure and enhancing venous return.
d. The diaphragm relaxes, reducing lung compliance and promoting exhalation.
a. The diaphragm moves upward, decreasing thoracic volume and increasing pressure to facilitate expiration.
b. The diaphragm contracts and moves downward, increasing thoracic volume and decreasing intrapleural pressure to allow air entry.
c. The diaphragm contracts laterally, increasing pleural pressure and enhancing venous return.
d. The diaphragm relaxes, reducing lung compliance and promoting exhalation.