Podcast
Questions and Answers
Which structure is the site of efficient gas exchange in the lung?
Which structure is the site of efficient gas exchange in the lung?
- Alveolar duct
- Alveolus
- Alveolar septa
- Pulmonary capillary network (correct)
How many capillaries are there per alveolus?
How many capillaries are there per alveolus?
- 100-200
- 200-400
- 500-1000 (correct)
- More than 1000
What may facilitate the spread of pulmonary infection?
What may facilitate the spread of pulmonary infection?
- Bronchiole-alveolar canals (of Lambert)
- Pores of Kohn (correct)
- Interbronchiolar channels (of Martin)
- Interalveolar pores
What is the major component of the chest wall that allows for the movement of the lung root with inferior inspiration?
What is the major component of the chest wall that allows for the movement of the lung root with inferior inspiration?
What is one of the functions of the conducting airways?
What is one of the functions of the conducting airways?
What is the most important function of the respiratory system?
What is the most important function of the respiratory system?
What opposes the tendency of alveoli to collapse?
What opposes the tendency of alveoli to collapse?
What is the function of the Pores of Kohn?
What is the function of the Pores of Kohn?
What do the turbinates in the nasal cavity primarily contribute to?
What do the turbinates in the nasal cavity primarily contribute to?
Which structure in the conducting airways produces turbulent airflow in the nasal cavity?
Which structure in the conducting airways produces turbulent airflow in the nasal cavity?
What is the primary function of the mucociliary escalator?
What is the primary function of the mucociliary escalator?
What allows for sampling of the external environment with each breath?
What allows for sampling of the external environment with each breath?
What removes CO2 (H+ ions) from the body?
What removes CO2 (H+ ions) from the body?
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