Cardiopulmonary Anatomy & Physiology
7th Edition
ISBN: 9781337794909
Author: Des Jardins, Terry.
Publisher: Cengage Learning,
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Chapter 4, Problem 2RQ
Summary Introduction
Introduction:
The pressure that the atmosphere exerts is called atmospheric pressure. The sum of the partial pressures of all the gases present in the atmosphere is equal to the total atmospheric pressure. The partial pressure that a specific gas exerts in the atmosphere is calculated by multiplying the barometric pressure of the gas with its percentage in the atmosphere.
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Chapter 4 Solutions
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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- 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%arrow_forwardAt 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_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
- 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_forwardIf 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 p02 in the pulmonary veins is approximately: A. 40mmHg B. 46mmHg C. 100mmHgarrow_forward
- If a patient has a Hb level of 14 g/dL and a Pa(o2) of 55 mm Hg (85 percent saturated with oxygen), approximately how much oxygen is transported to the peripheral tissues in each 100 mL of blood? A. 16 mL/dL B. 17 mL/dL C. 18 mL/dL D. 19 mL/dLarrow_forwardWhat is the Norma partial pressure of CO2 in arterial blood? a. 100 mmHg b. 40 mmHg c. 60 mmHg d. 46 mmHgarrow_forwardThe PCO2 in the pulmonary artery is approximately: A. 40mmHg B. 46mmHg C. 100mmHgarrow_forward
- Which of the following is a late sign of hypoxemia? a. Tachycardia b. Stupor c. Tachypnea d. Restlessnessarrow_forwardAt 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 Hgarrow_forwardAs an individual ages, the A. Residual volume decreases B. Expiratory reserve volume increases C. Functional residual capacity decreases D. Vital capacity decreasesarrow_forward
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