Podcast
Questions and Answers
What is the primary function of surfactant in the lungs?
What is the primary function of surfactant in the lungs?
- Increasing lung recoil
- Increasing the surface tension of alveolar fluid
- Reducing the surface tension of alveolar fluid (correct)
- Decreasing lung compliance
What is the partial pressure of oxygen in the alveoli?
What is the partial pressure of oxygen in the alveoli?
- 100 mmHg (correct)
- 40 mmHg
- 45 mmHg
- 60 mmHg
What constitutes approximately 21% of the air we breathe?
What constitutes approximately 21% of the air we breathe?
- Nitrogen
- Carbon dioxide
- Helium
- Oxygen (correct)
What is the main factor that influences the tendency of oxygen to bind with and release from hemoglobin?
What is the main factor that influences the tendency of oxygen to bind with and release from hemoglobin?
What is the term for the collapse of the lungs away from the chest wall?
What is the term for the collapse of the lungs away from the chest wall?
What is the primary function of the respiratory system?
What is the primary function of the respiratory system?
What is the result of cellular metabolism?
What is the result of cellular metabolism?
What is the primary transport mechanism for oxygen from the lungs to the tissues?
What is the primary transport mechanism for oxygen from the lungs to the tissues?
What systems are integrated to deliver oxygen and remove carbon dioxide?
What systems are integrated to deliver oxygen and remove carbon dioxide?
What is affected when the respiratory system is impaired?
What is affected when the respiratory system is impaired?
What is the function of the lymphoid tissue in the nasopharynx and oropharynx?
What is the function of the lymphoid tissue in the nasopharynx and oropharynx?
What is the purpose of the pleural fluid?
What is the purpose of the pleural fluid?
Where does gas exchange occur in the respiratory system?
Where does gas exchange occur in the respiratory system?
What structure is commonly referred to as the Adam's apple?
What structure is commonly referred to as the Adam's apple?
What is the function of the upper respiratory system?
What is the function of the upper respiratory system?
What is the primary cause of impaired drive to breathe?
What is the primary cause of impaired drive to breathe?
What is the term for the expansion and recoil of the lungs in response to pressure changes?
What is the term for the expansion and recoil of the lungs in response to pressure changes?
What is the volume of air inspired and expired with each breath in adults?
What is the volume of air inspired and expired with each breath in adults?
What is the term for the stretchability of lung tissue?
What is the term for the stretchability of lung tissue?
What muscles are involved in assisting respiration during strenuous exercise or certain heart diseases?
What muscles are involved in assisting respiration during strenuous exercise or certain heart diseases?
