Cardiopulmonary Anatomy & Physiology
7th Edition
ISBN: 9781337794909
Author: Des Jardins, Terry.
Publisher: Cengage Learning,
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Question
Chapter 2, Problem 4RQ
Summary Introduction
Introduction:
Pulmonary compliance is the ability of the pulmonary wall to bear the pressure exerted by the air present and the air inspired. Lung compliance is measured as a change in the volume of lungs per unit change in the pressure. It determines the capacity of the lungs to accommodate the volume of air in liters for each centimeter change in the pressure of water. The combined average value of the compliance for the lung and the chest wall is 0.1 L/cm of water. The wall of the lungs and the thoracic wall recoil, but the compliance of only the lung wall is 2.0 L/cm of water.
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Chapter 2 Solutions
Cardiopulmonary Anatomy & Physiology
Ch. 2 - The average compliance of the lungs and chest wall...Ch. 2 - Normally, the airway resistance in the...Ch. 2 - 3. In the normal individual in the upright...Ch. 2 - Prob. 4RQCh. 2 - 5. When arranged for flow Poiseuille’s law states...Ch. 2 - 6. During a normal exhalation, the
1....Ch. 2 - At rest, the normal pleural pressure change during...Ch. 2 - Prob. 8RQCh. 2 - Prob. 9RQCh. 2 - Assuming that pressure remains constant, if the...
Ch. 2 - Prob. 11RQCh. 2 - Prob. 12RQCh. 2 - 13. If alveolar unit A has one-half the compliance...Ch. 2 - 14. If a patient weighs 175 pounds and has a tidal...Ch. 2 - 15. Lung compliance study
Part /: If a patient...Ch. 2 - 16. If a patient produces a flow rate of 5 L/sec...Ch. 2 - Prob. 17RQCh. 2 - If the radius of a bronchial airway, which has a...Ch. 2 - In the healthy lung, when the alveolus decreases...Ch. 2 - 20. At end-expiration, is
A. 0 mm Hg.
B. 2 mm...Ch. 2 - Case 1 Because this patient's ribs were broken on...Ch. 2 - Case 1
2. As a result of the previously described...Ch. 2 - Case 1 The pathophysiologic process that developed...Ch. 2 - Case 2 As a result of the hyperinflation, the...Ch. 2 - Case 2 Because of the lung hyperinflation...Ch. 2 - Prob. 2CAQ3Ch. 2 - Case 2 As the airway resistance increased in this...Ch. 2 - Case 2
5. A product of the time constants is the...
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Similar questions
3. With advancing age, the
1. Lung compliance decreases
2. Chest wall compliance increases
3. Lung compliance increases
4. Chest wall compliance decreases
A. 2 only
B. 3 only
C. 1 and 2 only
D. 3 and 4 only
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Suppression of the peripheral chemoreceptors begins when the Po2 falls below A. 50 mm Hg B. 40 mm Hg C. 30 mm Hg D. 20 mm Hg
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Case 2 As the airway resistance increased in this case, the alveoli distal to the bronchial constriction required (shorter______; longer_______) time to inflate. These alveoli are said to have a (short______; long _________) time constant.
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Case 1 As a result of the severe left heart failure and increased pulmonary blood pressure in the case, fluid moved out of the pulmonary capillaries and into the extracapillary spaces. The pathologic process caused the thickness of the alveolar-capillary membrane to______
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6. During a normal exhalation, the
1. intra-alveolar pressure is greater than the atmospheric pressure.
2. pleural pressure is less than the atmospheric pressure.
3. intra-alveolar pressure is in equilibrium with the atmospheric pressure.
4. pleural pressure progressiverly decreases.
A. 1 only
B. 4 only
C. 1 and 2 only
D. 3 and 4 only
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