Cardiopulmonary Anatomy & Physiology
7th Edition
ISBN: 9781337794909
Author: Des Jardins, Terry.
Publisher: Cengage Learning,
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Chapter 11, Problem 4RQ
Summary Introduction
Introduction:
All functions of the body deteriorate as the person ages and the organs are affected with time. The lung functioning is affected similarly, as with time, lungs lose their elasticity and the dynamics of ventilation also have specific effects. The deterioration is observed with a decrease in dynamic lung functions.
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Chapter 11 Solutions
Cardiopulmonary Anatomy & Physiology
Ch. 11 - Prob. 1RQCh. 11 - Most of the lung function indices reach their...Ch. 11 - 3. With advancing age, the
1. Lung compliance...Ch. 11 - Prob. 4RQCh. 11 - 5. With advancing age, the
1. Paco2 ...Ch. 11 - Prob. 6RQCh. 11 - 7. Over the course of life, the diffusion capacity...Ch. 11 - Prob. 8RQCh. 11 - Prob. 9RQCh. 11 - Between 20 and 60 years of age, the RV/TLC ratio...
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- 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 onlyarrow_forward6. 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 onlyarrow_forward3. In the normal individual in the upright position 1. the negative pleural pressure is greater (i. e., more negative) in the upper lung regions. 2. the alveoli in the lower lung regions are larger than the alveoli in the upper lung regions. 3. ventilation is more effective in the lower lung regions. 4. the pleural pressure is always below atmospheric pressure during a normal ventilator cycle. A. 1 and 2 only B. 2 and 3 only C. 2,3 and 4 only D. 1,3, and 4 onlyarrow_forward
- 3. During acute alveolar hyperventilation, the blood 1. increases 2. decreases 3. increases 4. pH decreases A. 2 only B. 4 only C. 1 and 3 only D. 2 and 4 onlyarrow_forwardSuppression 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 Hgarrow_forwardThe mean intraluminal pressure in the pulmonary capillaries is A. 5 mm Hg B. 10 mm Hg C. 15 mm Hg D. 20 mm Hgarrow_forward
- At sea level, the alveolar water vapor pressure in normally about A. 0.2 mm Hg B. 47 mm Hg C. 0.0 mm Hg D. 40 mm Hgarrow_forwardCase 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.arrow_forwardCase 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______arrow_forward
- 2. The maximum alveolar ventilation generated during heavy exercise under normal conditions is about what percent of the maximum voluntary ventilation? A. 20-35 percent B. 30-45 percent C. 40-55 percent D. 50-65 percentarrow_forwardAt rest, the normal pleural pressure change during quiet breathing is about A. 0-2 mm Hg. B. 2-4 mm Hg. C. 4-6 mm Hg. D. 6-8 mm Hg.arrow_forward1.Which of the following is NOT a normal occurance with increasing age?A. Vital capacity of the lung decreases.B. Residual volume increasesC. Functional residual capacity increasesD. Inspiratory capacity decreasesE. Expiratory reserve volume increases 2. Which of the following concerning average lung volumes and capacities of a personat rest is TRUE?A. TLC > VC > TV > FRCB. TLC > FRC > VC > TVC. TLC > VC > FRC > TVD. TLC > FRC > TV > VC 3. In a normal healthy individual with a total lung capacity of 6 liters:A. The tidal volume at rest is about 1 liter.B. The functional residual capacity would be about 2 liters.C. The expiratory reserve volume at rest would be about 2 liters.D. The FEV, would be equivalent about 1.5 liters. 4. Which of the following combine to make up Functional Residual Capacity (FRC)?A. Tidal Volume (TV)B. Vital Capacity (VC)C. Inspiratory Reserve Volume (IRV)D. Expiratory Reserve Volume (ERV) 5. The sum of the four primary lung…arrow_forward
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