### Lung Vital Capacity and Emphysema **Understanding Lung Function: Vital Capacity** When breathing, you're never able to completely fill your lungs with fresh air. A certain volume of stale air (with the oxygen removed) always remains in the air passageways. In some lung diseases such as emphysema, large amounts of stale air accumulate and can't be expelled. The lungs are filled with air that is useless for gas exchange. **Impact of Emphysema: Reduced Vital Capacity** Vital capacity is significantly less than in normal lungs. **Predictive Scenario: Exercise and Emphysema** Predict what will happen when a person with emphysema exercises heavily. Explain your answer. Exercise places additional demands on the lungs and respiratory system as the body requires more oxygen. For a person with emphysema, the reduced vital capacity limits the amount of fresh air that can be inhaled, as stale air already occupies a significant portion of the lung volume. Consequently, they are likely to experience shortness of breath and fatigue more quickly during heavy exercise compared to individuals with healthy lungs. Their bodies may also struggle to expel carbon dioxide effectively, leading to respiratory distress. **[Graph Explanation]** The original text includes a graph with the label "FIGURE 15-9" and the title "Relationship between." Although the specific details are unclear due to image quality, generally such a graph would likely illustrate the relationship between lung capacity and the ability to exercise, comparing individuals with normal lung function to those with emphysema. The trend might depict decreased exercise tolerance or higher breathing difficulty in emphysemic patients. For detailed analysis, always refer to high-quality and clear versions of graphical data, especially when interpreting medical information.
### Lung Vital Capacity and Emphysema **Understanding Lung Function: Vital Capacity** When breathing, you're never able to completely fill your lungs with fresh air. A certain volume of stale air (with the oxygen removed) always remains in the air passageways. In some lung diseases such as emphysema, large amounts of stale air accumulate and can't be expelled. The lungs are filled with air that is useless for gas exchange. **Impact of Emphysema: Reduced Vital Capacity** Vital capacity is significantly less than in normal lungs. **Predictive Scenario: Exercise and Emphysema** Predict what will happen when a person with emphysema exercises heavily. Explain your answer. Exercise places additional demands on the lungs and respiratory system as the body requires more oxygen. For a person with emphysema, the reduced vital capacity limits the amount of fresh air that can be inhaled, as stale air already occupies a significant portion of the lung volume. Consequently, they are likely to experience shortness of breath and fatigue more quickly during heavy exercise compared to individuals with healthy lungs. Their bodies may also struggle to expel carbon dioxide effectively, leading to respiratory distress. **[Graph Explanation]** The original text includes a graph with the label "FIGURE 15-9" and the title "Relationship between." Although the specific details are unclear due to image quality, generally such a graph would likely illustrate the relationship between lung capacity and the ability to exercise, comparing individuals with normal lung function to those with emphysema. The trend might depict decreased exercise tolerance or higher breathing difficulty in emphysemic patients. For detailed analysis, always refer to high-quality and clear versions of graphical data, especially when interpreting medical information.
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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![### Lung Vital Capacity and Emphysema
**Understanding Lung Function: Vital Capacity**
When breathing, you're never able to completely fill your lungs with fresh air. A certain volume of stale air (with the oxygen removed) always remains in the air passageways. In some lung diseases such as emphysema, large amounts of stale air accumulate and can't be expelled. The lungs are filled with air that is useless for gas exchange.
**Impact of Emphysema: Reduced Vital Capacity**
Vital capacity is significantly less than in normal lungs.
**Predictive Scenario: Exercise and Emphysema**
Predict what will happen when a person with emphysema exercises heavily. Explain your answer.
Exercise places additional demands on the lungs and respiratory system as the body requires more oxygen. For a person with emphysema, the reduced vital capacity limits the amount of fresh air that can be inhaled, as stale air already occupies a significant portion of the lung volume. Consequently, they are likely to experience shortness of breath and fatigue more quickly during heavy exercise compared to individuals with healthy lungs. Their bodies may also struggle to expel carbon dioxide effectively, leading to respiratory distress.
**[Graph Explanation]**
The original text includes a graph with the label "FIGURE 15-9" and the title "Relationship between." Although the specific details are unclear due to image quality, generally such a graph would likely illustrate the relationship between lung capacity and the ability to exercise, comparing individuals with normal lung function to those with emphysema. The trend might depict decreased exercise tolerance or higher breathing difficulty in emphysemic patients.
For detailed analysis, always refer to high-quality and clear versions of graphical data, especially when interpreting medical information.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F05f14913-02ce-4f56-8871-12a1eada769a%2F36437add-5bb0-40fb-ad03-322e4b475465%2Fmh1mcop.jpeg&w=3840&q=75)
Transcribed Image Text:### Lung Vital Capacity and Emphysema
**Understanding Lung Function: Vital Capacity**
When breathing, you're never able to completely fill your lungs with fresh air. A certain volume of stale air (with the oxygen removed) always remains in the air passageways. In some lung diseases such as emphysema, large amounts of stale air accumulate and can't be expelled. The lungs are filled with air that is useless for gas exchange.
**Impact of Emphysema: Reduced Vital Capacity**
Vital capacity is significantly less than in normal lungs.
**Predictive Scenario: Exercise and Emphysema**
Predict what will happen when a person with emphysema exercises heavily. Explain your answer.
Exercise places additional demands on the lungs and respiratory system as the body requires more oxygen. For a person with emphysema, the reduced vital capacity limits the amount of fresh air that can be inhaled, as stale air already occupies a significant portion of the lung volume. Consequently, they are likely to experience shortness of breath and fatigue more quickly during heavy exercise compared to individuals with healthy lungs. Their bodies may also struggle to expel carbon dioxide effectively, leading to respiratory distress.
**[Graph Explanation]**
The original text includes a graph with the label "FIGURE 15-9" and the title "Relationship between." Although the specific details are unclear due to image quality, generally such a graph would likely illustrate the relationship between lung capacity and the ability to exercise, comparing individuals with normal lung function to those with emphysema. The trend might depict decreased exercise tolerance or higher breathing difficulty in emphysemic patients.
For detailed analysis, always refer to high-quality and clear versions of graphical data, especially when interpreting medical information.
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