N.B. CO: a harmful gas contained in the fume of tobacco. Studies showed the effect of (CO) on the transport of 02 gas by hemoglobin. The results of these studies are shown in the table below. Rate of CO in the alveoli (in %) 0.5 1.5 2.5 Quantity of HbOz in blood (in %) 90 80 70 60 50 1- Draw the curve showing the variation of the quantity of (HbO2) in blood in function of the rate of (C0) in the alveoli. 2- Analyze these results. Derive the effect of (CO) on the transport of oxygen gas by hemoglobin.

N.B. CO: a harmful gas contained in the fume of tobacco. Studies showed the effect of (CO) on the transport of 02 gas by hemoglobin. The results of these studies are shown in the table below. Rate of CO in the alveoli (in %) 0.5 1.5 2.5 Quantity of HbOz in blood (in %) 90 80 70 60 50 1- Draw the curve showing the variation of the quantity of (HbO2) in blood in function of the rate of (C0) in the alveoli. 2- Analyze these results. Derive the effect of (CO) on the transport of oxygen gas by hemoglobin.

Human Physiology: From Cells to Systems (MindTap Course List)

9th Edition

ISBN:9781285866932

Author:Lauralee Sherwood

Publisher:Lauralee Sherwood

Chapter13: The Respiratory System

Section: Chapter Questions

Problem 14RE

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Similar questions

The total lung capacity is calculated using which of the following formulas? residual volume + tidal volume + inspiratory reserve volume residual volume + expiratory reserve volume + inspiratory reserve volume expiratory reserve volume + tidal volume + inspiratory reserve volume residual volume + expiratory reserve volume + tidal volume + inspiratory reserve volume
If the radius of a bronchial airway, which has a driving pressure of 2 mm Hg, is reduced by 16 percent of its original size, what will be the new driving pressure required to maintain the same gas flow through the bronchial airway? A. 4 mm Hg B. 8 mm Hg C. 12 mm Hg D. 16 mm Hg
Assuming that pressure remains constant, if the radius of a bronchial airway through which gas glows at a rate of 400 L/min is reduced to one-half of its original size, the flow through the bronchial airway would change to A. 10 L/min. B. 25 L/min. C. 100 L/min. D. 200 L/min.
3. At 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 Hg
Which of the following prevents the alveoli from collapsing? residual volume tidal volume expiratory reserve volume inspiratory reserve volume
In the healthy lung, when the alveolus decreases in size during a normal exhalation, the 1. surface tension decreases. 2. surfactant to alveolar surface area increases. 3. surface tension increases. 4. surfactant to alveolar surface area decreases. A. 1 only B. 3 only C. 4 only D. 1 and 2 only
The partial pressure of carbon dioxide is 45 mm Hg in the blood and 40 mm Hg in the alveoli. What happens to the carbon dioxide? It diffuses into the blood. It diffuses into the alveoli. The gradient is too small for carbon dioxide to diffuse. It decomposes into carbon and oxygen.
If 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 L
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 percent