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Which of the following statements about the lungs of an upright person is true? O A. The ventilation/perfusion ratio is higher at the top of the lung than at the bottom. O B. Blood flow to the top of the lung per gm of tissue is much greater than at the bottom. OC. Ventilation at the top of the lung per gm of tissue is greater than at the bottom O D. The ventilation/perfusion ratio is lower at the top of the lung than at the bottom. OE. None of the above

Which of the following statements about the lungs of an upright person is true? O A. The ventilation/perfusion ratio is higher at the top of the lung than at the bottom. O B. Blood flow to the top of the lung per gm of tissue is much greater than at the bottom. OC. Ventilation at the top of the lung per gm of tissue is greater than at the bottom O D. The ventilation/perfusion ratio is lower at the top of the lung than at the bottom. OE. None of the above

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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Which of the following statements about the lungs of an upright person is true? O A. The ventilation/perfusion ratio is higher at the top of the lung than at the bottom. O B. Blood flow to the top of the lung per gm of tissue is much greater than at the bottom. O C. Ventilation at the top of the lung per gm of tissue is greater than at the bottom O D. The ventilation/perfusion ratio is lower at the top of the lung than at the bottom. OE. None of the above
Transcribed Image Text:Which of the following statements about the lungs of an upright person is true? O A. The ventilation/perfusion ratio is higher at the top of the lung than at the bottom. O B. Blood flow to the top of the lung per gm of tissue is much greater than at the bottom. O C. Ventilation at the top of the lung per gm of tissue is greater than at the bottom O D. The ventilation/perfusion ratio is lower at the top of the lung than at the bottom. OE. None of the above
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