In the normal individual in the upright position1. the negative pleural pressure is greater (i.e., more negative) in the upper lung regions.2. the alveoli in the lower lung regions are larger than the alveoli in the upper lung regions.3. ventilation is more effective in the lower lung regions.4. the pleural pressure is always below atmospheric pressure during a normal ventilatory cycle.A. 1 and 2 onlyB. 2 and 3 onlyC. 2, 3, and 4 onlyD. 1, 3, and 4 only
In the normal individual in the upright position1. the negative pleural pressure is greater (i.e., more negative) in the upper lung regions.2. the alveoli in the lower lung regions are larger than the alveoli in the upper lung regions.3. ventilation is more effective in the lower lung regions.4. the pleural pressure is always below atmospheric pressure during a normal ventilatory cycle.A. 1 and 2 onlyB. 2 and 3 onlyC. 2, 3, and 4 onlyD. 1, 3, and 4 only
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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In the normal individual in the upright position
1. the negative pleural pressure is greater (i.e., more negative) in the upper lung regions.
2. the alveoli in the lower lung regions are larger than the alveoli in the upper lung regions.
3. ventilation is more effective in the lower lung regions.
4. the pleural pressure is always below atmospheric pressure during a normal ventilatory cycle.
A. 1 and 2 only
B. 2 and 3 only
C. 2, 3, and 4 only
D. 1, 3, and 4 only
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