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Questions and Answers
Which component of the respiratory system is responsible for the spongy structure of the lungs?
Which component of the respiratory system is responsible for the spongy structure of the lungs?
- Alveolar ducts
- Capillaries
- Respiratory bronchioles
- Alveolar sacs (correct)
What is the function of the thin interalveolar septa between neighboring alveoli?
What is the function of the thin interalveolar septa between neighboring alveoli?
- To facilitate exchange of oxygen and carbon dioxide
- To connect alveoli with the respiratory membrane
- To support the structure of the lungs
- To separate air in the alveoli from capillary blood (correct)
What is the composition of the air-blood barrier or respiratory membrane?
What is the composition of the air-blood barrier or respiratory membrane?
- An alveolar type II cell, a capillary endothelial cell, and their basement membranes
- An alveolar sac cell, a capillary endothelial cell, and their basement membranes
- An alveolar type I cell, a capillary endothelial cell, and their fused basement membranes (correct)
- A respiratory bronchial cell, an alveolar duct cell, and their basement membranes
What type of blood is found in the capillaries surrounding each alveolus?
What type of blood is found in the capillaries surrounding each alveolus?
Which structure facilitates the exchange of oxygen and carbon dioxide in the respiratory system?
Which structure facilitates the exchange of oxygen and carbon dioxide in the respiratory system?
Which structure in the respiratory region leads to an alveolar duct?
Which structure in the respiratory region leads to an alveolar duct?
What is the function of type II alveolar cells?
What is the function of type II alveolar cells?
What forms a continuous series of alveoli at the end of an alveolar duct?
What forms a continuous series of alveoli at the end of an alveolar duct?
Which of the following is NOT a component of the blood-air barrier?
Which of the following is NOT a component of the blood-air barrier?
Where are gas exchanges primarily happening?
Where are gas exchanges primarily happening?
What is the surfactant material secreted by exocrine club cells and type II alveolar cells composed of?
What is the surfactant material secreted by exocrine club cells and type II alveolar cells composed of?
What is the primary function of alveolar pores?
What is the primary function of alveolar pores?
What is the main component of pulmonary surfactant?
What is the main component of pulmonary surfactant?
What is the primary function of Type I alveolar cells?
What is the primary function of Type I alveolar cells?
What is the result of lack of adequate surfactant in premature neonates?
What is the result of lack of adequate surfactant in premature neonates?
What is the purpose of the L/S ratio test?
What is the purpose of the L/S ratio test?
What is the function of Type II alveolar cells?
What is the function of Type II alveolar cells?
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