Cardiopulmonary Anatomy & Physiology
7th Edition
ISBN: 9781337794909
Author: Des Jardins, Terry.
Publisher: Cengage Learning,
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Chapter 18, Problem 2RQ
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
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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
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Chapter 18 Solutions
Cardiopulmonary Anatomy & Physiology
Ch. 18 - Prob. 1RQCh. 18 - 2. The maximum alveolar ventilation generated...Ch. 18 - 3. During heavy exercise, the total cardiac output...Ch. 18 - Prob. 4RQCh. 18 - Prob. 5RQCh. 18 - Prob. 6RQCh. 18 - During exercise, the oxygen consumption (VO2) of...Ch. 18 - During very heavy exercise, the 1. pH increases 2....Ch. 18 - 9. During maximum exercise, the oxygen diffusion...Ch. 18 - During exercise, the P(A=a)O2 begins to increase...
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- Select the disease which makes lungs lose its elasticity due to the inflammation of alveoli. A. Lung cancer B. Pneumonia C. Bronchitis D. Emphysema Recognize the correct adjustment in our body during acclimatization tohigh altitude. A. Ventilation rate decreases B. Hemoglobin affinity for oxygen increases in the tissue C. Kidney increases urinary excretion of bicarbonate ions D. Hemoglobin production decreasesarrow_forwardThe best position of bed to enhance lung expansion is a. Trendelnburg postion b. Fowler's postion c. flat position d. Reverse Trendelenburg postionarrow_forwardChoose the correct description of inhalation. a. Air is forced into the lungs and then the diaphragm moves down b. Air is forced into the lungs and then the diaphragm moves up c. The diaphragm moves up making less space, and air pushes in. d. The diaghragm moves down, making more space and air is pulled in.arrow_forward
- The volume of air that can be exhaled after a normal tidal volume exhalation is the A. IRV B. FRC C. FVC D. ERVarrow_forwardIn a restrictive lung disorder, you would see the following of FVC and FEVT a. Decrease FVC and decrease FEVT b. Increase FVC and decrease FEVT c. Decrease FVC and normal FEVT d. Normal FVC and normal FEVTarrow_forwardIf 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 Hgarrow_forward
- The inspiratory reserve volume measures the ________. a. amount of air remaining in the lung after a maximal exhalation b. amount of air that the lung holds c. amount of air that can be further exhaled after a normal breath d. amount of air that can be further inhaled after a normal breatharrow_forwardMatch the lung disease with its correct description + Pulmonary Edema A. Alveoli become thickened and fuse together, impairing gas exchange + Emphysema B. Fluid accumulates in the space between the alveoli and alveolar capillaries, impairing exchange C. Exposure to irritants over time causes thickening of the alveolar + Asthma + Fibrotic lung disease membrane D. Inflammation causes bronchioles to constrict, impairing ventilationarrow_forwardWhich of the following best describes the gas exchange that occurs in the lungs? A. carbon dioxide diffuses into the capillaries from the alveoli B. oxygen diffuses from the capillaries into the alveoli C. carbon dioxide diffuses from the capillaries into the alveoli D. oxygen diffuse into the alveoli from the capillariesarrow_forward
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