Cardiopulmonary Anatomy & Physiology
7th Edition
ISBN: 9781337794909
Author: Des Jardins, Terry.
Publisher: Cengage Learning,
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Textbook Question
Chapter 4, Problem 5RQ
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 Hg
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Cardiopulmonary Anatomy & Physiology
Ch. 4 - Prob. 1RQCh. 4 - Prob. 2RQCh. 4 - Prob. 3RQCh. 4 - 4. At sea level, the normal percentage of carbon...Ch. 4 - At sea level, the alveolar water vapor pressure in...Ch. 4 - If a patient is receiving an FIO2 of 0.60 on a day...Ch. 4 - Prob. 7RQCh. 4 - Under normal resting conditions, the diffusion of...Ch. 4 - 9. Which of the following states that the rate of...Ch. 4 - According to Ficks law, gas diffusion is 1....
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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 Hgarrow_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_forwardWhich 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%arrow_forward
- If a patient is receiving an FIO2 of 0.60 on a day when the barometric pressure is 725 mm Hg, and if the Paco2 is 50 mm Hg, what is the patients alveolar oxygen tension (PAo2)? A. 177 mm Hg B. 233 mm Hg C. 344 mm Hg D. 415 mm Hgarrow_forwardThe peripheral chemoreceptors are significantly activated when the PO2 decreases to about A. 75 mm Hg B. 70 mm Hg C. 65 mm Hg D. 60 mm Hgarrow_forward9. Which of the following forced expiratory measurements is a good index of the integrity of large airway function? A. FEVT B. FEF200-1200 C. FEF25%-75% D. MVVarrow_forward
- The mean intraluminal pressure in the pulmonary capillaries is A. 5 mm Hg B. 10 mm Hg C. 15 mm Hg D. 20 mm Hgarrow_forward4. 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_forward
- 20. At end-expiration, is A. 0 mm Hg. B. 2 mm Hg. C. 4 mm Hg. D. 6 mm Hg.arrow_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_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_forward
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