Question: A man inspires 1000 ml from a spirometer. The intrapleuralpressure was 24 cm H2O before inspiration and 212 cm H2O the end ofinspiration. What is the compliance of the lungs?A) 50 ml/cm H2OB) 100 ml/cm H20C) 125 ml/cm H20D) 150 ml/cm H20E) 250 ml/cm H20

The compliance of a system is defined as the change in volume that occurs per unit change in the…

Answered: Question: A man inspires 1000 ml from a…

Cardiopulmonary Anatomy & Physiology

7th Edition

ISBN:9781337794909

Author:Des Jardins, Terry.

Publisher:Des Jardins, Terry.

Chapter4: The Diffusion Of Pulmonary Gases

Section: Chapter Questions

Problem 1RQ

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15. Lung compliance study Part /: If a patient generates a negative pleural pressure change of -8 cm during inspiration, and the lungs accept a new volume of 630 mL, what is the compliance of the lungs? Part II: If the same patient, 6 hours later, generates a pleural pressure of -12 cm during inspiration, and the lungs accept a new volume of 850 mL, what is the compliance of the lungs? Part III: In comparing Part II to Part I, the patient's lung compliance is A. increasing. B. decreasing.
Assuming that pressure remains constant, if the radius of a bronchial airway through which gas glows at a rate of 400 L/min is reduced to one-half of its original size, the flow through the bronchial airway would change to A. 10 L/min. B. 25 L/min. C. 100 L/min. D. 200 L/min.
The total lung capacity is calculated using which of the following formulas? residual volume + tidal volume + inspiratory reserve volume residual volume + expiratory reserve volume + inspiratory reserve volume expiratory reserve volume + tidal volume + inspiratory reserve volume residual volume + expiratory reserve volume + tidal volume + inspiratory reserve volume
The average compliance of the lungs and chest wall combined is 0.1 L/cm H2O. 0.2 L/cm H2O 0.3 L/cm H2O 0.4 L/cm H2O
If the radius of a bronchial airway, which has a driving pressure of 2 mm Hg, is reduced by 16 percent of its original size, what will be the new driving pressure required to maintain the same gas flow through the bronchial airway? A. 4 mm Hg B. 8 mm Hg C. 12 mm Hg D. 16 mm Hg
Which of the following forced expiratory measurements reflects the status of medium-sized to small-sized airways? A. FEF200-1200 B. PEFR C. MVV D. FEF25%-75%
In the healthy lung, when the alveolus decreases in size during a normal exhalation, the 1. surface tension decreases. 2. surfactant to alveolar surface area increases. 3. surface tension increases. 4. surfactant to alveolar surface area decreases. A. 1 only B. 3 only C. 4 only D. 1 and 2 only
3. At sea level, a diver has the following: • Lung volume: 6 L • Pressure within the lungs: 755 mm Hg If this individual dives to a depth of 99 feet and compresses the lung volume to 2 L, what will be the pressure within the diver's lungs? A. 960 mm Hg B. 1420 mm Hg C. 1765 mm Hg D. 2265 mm Hg

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Question: A man inspires 1000 ml from a spirometer. The intrapleural pressure was 24 cm H2O before inspiration and 212 cm H2O the end of inspiration. What is the compliance of the lungs? A) 50 ml/cm H2O B) 100 ml/cm H20 (C) 125 ml/cm H20 D) 150 ml/cm H20 E) 250 ml/cm H20