Podcast
Questions and Answers
Which of the following is a protective mechanism in the upper Airways?
Which of the following is a protective mechanism in the upper Airways?
- Alveoli
- Bronchioles
- Type 1 pneumocytes
- Nasal hair (correct)
What surrounds the bronchioles and distinguishes them from bronchi?
What surrounds the bronchioles and distinguishes them from bronchi?
- Hyaline cartilage
- Type 1 pneumocytes
- Nasal hair
- Elastic fibers and smooth muscle (correct)
What is the function of the epiglottis during swallowing?
What is the function of the epiglottis during swallowing?
- Facilitating gas exchange in the alveoli
- Filtering out small particles from the inspired air
- Closing the larynx to prevent food or liquid from entering the lower respiratory tract (correct)
- Expanding the trachea to allow more air into the lungs
Where does gas exchange occur in the respiratory system?
Where does gas exchange occur in the respiratory system?
What is responsible for enriching deoxygenated blood with oxygen in the lungs?
What is responsible for enriching deoxygenated blood with oxygen in the lungs?
What is the estimated number of alveoli in the human respiratory system?
What is the estimated number of alveoli in the human respiratory system?
What is the function of cilia on the nasal mucosa?
What is the function of cilia on the nasal mucosa?
What is the role of the trunks of the bronchial tree?
What is the role of the trunks of the bronchial tree?
What is the role of the epiglottis during swallowing?
What is the role of the epiglottis during swallowing?
Where are the red blood cells responsible for enriching deoxygenated blood with oxygen located?
Where are the red blood cells responsible for enriching deoxygenated blood with oxygen located?
What is the function of cilia on the nasal mucosa?
What is the function of cilia on the nasal mucosa?
What surrounds the bronchioles and distinguishes them from bronchi?
What surrounds the bronchioles and distinguishes them from bronchi?
What is responsible for binding oxygen in the red blood cells?
What is responsible for binding oxygen in the red blood cells?
What is the estimated number of alveoli in the human respiratory system?
What is the estimated number of alveoli in the human respiratory system?
What prevents large dirt particles or insects from entering the lower respiratory tract?
What prevents large dirt particles or insects from entering the lower respiratory tract?
Where does gas exchange occur in the respiratory system?
Where does gas exchange occur in the respiratory system?
