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Questions and Answers
What is the function of lung surfactant?
What is the function of lung surfactant?
- Prevent oxygen from entering the bloodstream
- Increase the surface tension at the alveoli
- Facilitate gas exchange by decreasing surface tension (correct)
- Decrease the surface area of the alveoli
What is the main cause of wheezing in individuals with asthma?
What is the main cause of wheezing in individuals with asthma?
- Increased oxygen levels in the bronchi
- Inflammation of the bronchi causing them to widen
- Narrowing of the bronchi due to inflammation (correct)
- Reduced oxygen intake by the alveoli
How does cystic fibrosis affect the respiratory system?
How does cystic fibrosis affect the respiratory system?
- It clogs the trachea and bronchi with excess mucus (correct)
- It causes the bronchi to widen due to excessive mucus
- It reduces mucus production in the trachea and bronchi
- It increases oxygen intake by clearing air passageways
What is a common symptom of emphysema?
What is a common symptom of emphysema?
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How does COPD affect individuals who have it?
How does COPD affect individuals who have it?
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What happens when carbon dioxide reaches the alveoli?
What happens when carbon dioxide reaches the alveoli?
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Why is wheezing a common symptom of asthma?
Why is wheezing a common symptom of asthma?
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What is the role of the diaphragm during exhalation?
What is the role of the diaphragm during exhalation?
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'Chronic obstructive pulmonary disease (COPD)' includes which conditions as part of its group?
'Chronic obstructive pulmonary disease (COPD)' includes which conditions as part of its group?
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'Gas exchange' at the alveoli primarily involves which process?
'Gas exchange' at the alveoli primarily involves which process?
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