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Pulmonary arteries Systemic veins Right heart Partial Pressures of Gases Copyright © The McGraw-H Companies, Inc. Permission required for reproduction or display Air Po, 160 mmHg Pco, -0.3 mmHg PO₂- Poo₂ 105 mmHg 40 mmHg Po,= 40 mmHg Pco,- 46 mmHg Lung capillaries Pco,-46 mmHg Po= 40 mmHg Tissue capillaries Po, 100 mmHg Pco₂-40 mmHg Alveoli Pco,-40 mmHg Po= 100 mmHg Cells Left heart Pulmonary veins Systemic arteries Po, <40 mmHg (mitochondrial Po, <5 mmHg) Pco₂> 46 mmHg Fig. 13-21 89 1) If alveolar ventilation decreases in the above figure, what happens to (A) arteriolar Poz? (B) Arterial Pco2? (C) Venous Poz and Pco2? (D) Oxygen carrying capacity? Explain your answers.

Pulmonary arteries Systemic veins Right heart Partial Pressures of Gases Copyright © The McGraw-H Companies, Inc. Permission required for reproduction or display Air Po, 160 mmHg Pco, -0.3 mmHg PO₂- Poo₂ 105 mmHg 40 mmHg Po,= 40 mmHg Pco,- 46 mmHg Lung capillaries Pco,-46 mmHg Po= 40 mmHg Tissue capillaries Po, 100 mmHg Pco₂-40 mmHg Alveoli Pco,-40 mmHg Po= 100 mmHg Cells Left heart Pulmonary veins Systemic arteries Po, <40 mmHg (mitochondrial Po, <5 mmHg) Pco₂> 46 mmHg Fig. 13-21 89 1) If alveolar ventilation decreases in the above figure, what happens to (A) arteriolar Poz? (B) Arterial Pco2? (C) Venous Poz and Pco2? (D) Oxygen carrying capacity? Explain your answers.

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Pulmonary arteries Systemic veins Right heart Partial Pressures of Gases Copyright © The McGraw-H Companies, Inc. Permission required for reproduction or display Air Po, 160 mmHg Pco₂ = 0.3 mmHg PO₂- Poo₂ 105 mmHg 40 mmHg Po₂ = 40 mmHg Pco₂ - 46 mmHg Lung capillaries Pco,- 46 mmHg Po= 40 mmHg Tissue capillaries Po₂ = 100 mmHg Pco₂-40 mmHg Alveoli Pco,-40 mmHg Po, 100 mmHg Cells Left heart Pulmonary veins Systemic arteries Po, <40 mmHg (mitochondrial Po, < 5 mmHg) Pco₂> 46 mmHg Fig. 13-21 89 1) If alveolar ventilation decreases in the above figure, what happens to (A) arteriolar Po2? (B) Arterial Pco2? (C) Venous Poz and Pco2? (D) Oxygen carrying capacity? Explain your answers.
Transcribed Image Text:Pulmonary arteries Systemic veins Right heart Partial Pressures of Gases Copyright © The McGraw-H Companies, Inc. Permission required for reproduction or display Air Po, 160 mmHg Pco₂ = 0.3 mmHg PO₂- Poo₂ 105 mmHg 40 mmHg Po₂ = 40 mmHg Pco₂ - 46 mmHg Lung capillaries Pco,- 46 mmHg Po= 40 mmHg Tissue capillaries Po₂ = 100 mmHg Pco₂-40 mmHg Alveoli Pco,-40 mmHg Po, 100 mmHg Cells Left heart Pulmonary veins Systemic arteries Po, <40 mmHg (mitochondrial Po, < 5 mmHg) Pco₂> 46 mmHg Fig. 13-21 89 1) If alveolar ventilation decreases in the above figure, what happens to (A) arteriolar Po2? (B) Arterial Pco2? (C) Venous Poz and Pco2? (D) Oxygen carrying capacity? Explain your answers.
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