Cardiopulmonary Anatomy & Physiology
7th Edition
ISBN: 9781337794909
Author: Des Jardins, Terry.
Publisher: Cengage Learning,
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Chapter 19, Problem 5RQ
Summary Introduction
Introduction:
Alveolar ventilation is the exchange of gases in the alveoli of the lungs. The oxygen is taken in while breathing and transported to the alveoli, where oxygen gas is exchanged with carbon dioxide from the blood. The concentration of carbon dioxide is more than oxygen in the blood. The oxygen binds with hemoglobin and it is circulated throughout the body.
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Cardiopulmonary Anatomy & Physiology
Ch. 19 - The barometric pressure is about half the...Ch. 19 - 2. The oxygen diffusion capacity of high-altitude...Ch. 19 - Prob. 3RQCh. 19 - Prob. 4RQCh. 19 - Prob. 5RQCh. 19 - At high altitude, the True _______ False ________...Ch. 19 - 7. In individuals who True ___________ False...Ch. 19 - 8. There is a linear True_______ False...Ch. 19 - 9. Natives who have been True ________...Ch. 19 - 10. The concentration of True _______ False...
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- 4. The number of alveoli continues to increase until about A. 6 years of age B. 8 years of age C. 10 years of age D. 12 years of agearrow_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_forwardMost of the lung function indices reach their maximum levels betwee A. 5-10 years of age B. 10-15 years of age C. 15-20 years of age D. 20-25 years of agearrow_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_forwardThe residual volume/total lung capacity ratio in healthy men ages 20 to 30 years is A. 15% B. 20% C. 25% D. 30%arrow_forward1. During acute alveolar hypoventilation, the blood 1. increases 2. pH increases 3. increases 4. increases A. 2 only B. 4 only C. 2 and 3 only D. 1,3, and 4 onlyarrow_forward
- 3. 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_forward4. The canals of Lambert are found in the A. trachea. B. terminal bronchioles. C. alveoli. D. main stem bronchi.arrow_forward3. 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_forward
- In an obstructive lung disorder, the 1. FRC is decreased 2. RV is increased 3. VC is decreased 4. IRV is increased A. 1 and 3 only B. 2 and 3 only C. 2 and 4 only D. 2,3 and 4 onlyarrow_forwardIf an individual fully inhales to a total lung capacity of 4.5 L at sea level (760 mm Hg) and dives to a depth of 66 feet, the lungs will be compressed to about A. 1.0 L B. 1.5 L C. 2.0 L D. 2.5 Larrow_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_forward
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