Ch 11 test study questio - Study guides, Class notes & Summaries

According to Poiseuille's law, which of the following statements is true if we wish to maintain a constant flow of gases? - Answer Halving the tube radius will require a 16-time increase in driving pressure Most of the drop in pressure due to frictional resistance to gas flow occurs in what region? - Answer Nose, mouth, and large airways Which of the following statements about Raw is true? - Answer The greater the lung volume, the less is the Raw

What forces must be overcome to move air into the respiratory system? 1. Tissue movement 2. Elastic forces of lung tissue 3. Airway resistance 4. Surface tension forces - Answer 1, 2, 3, and 4 What term is used to note the difference between inspiratory lung volume and expiratory lung volume at any given pressure? - Answer Hysteresis