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Questions and Answers
What is the likely affected side of aspiration related to the anatomy of the main bronchi?
What is the likely affected side of aspiration related to the anatomy of the main bronchi?
- Right (correct)
- Left
- Both are equally affected
- None of the above
What structures supply the lung lobes?
What structures supply the lung lobes?
- Primary bronchi
- Lobar bronchi (correct)
- Segmental bronchi
- Secondary bronchi
What is the last portion of conducting airways with mucous glands or consistent cartilage known as?
What is the last portion of conducting airways with mucous glands or consistent cartilage known as?
- Terminal bronchioles
- Segmental bronchi (correct)
- Lobar bronchi
- Respiratory bronchioles
Where do bronchopulmonary segments derive their blood supply from?
Where do bronchopulmonary segments derive their blood supply from?
Which veins drain the proximal part of the root of the lung?
Which veins drain the proximal part of the root of the lung?
What is the diameter of bronchioles typically?
What is the diameter of bronchioles typically?
Which of the following accurately describes the differences between left and right main bronchi?
Which of the following accurately describes the differences between left and right main bronchi?
Where are respiratory bronchioles located?
Where are respiratory bronchioles located?
What is the significance of bronchopulmonary segments?
What is the significance of bronchopulmonary segments?
What supplies intrapulmonary structures proximal to the terminal bronchioles and connective tissue septa?
What supplies intrapulmonary structures proximal to the terminal bronchioles and connective tissue septa?
How does the venous drainage of bronchioles affect the partial pressure of oxygen in arterial blood?
How does the venous drainage of bronchioles affect the partial pressure of oxygen in arterial blood?
Where does bronchial venous drainage occur?
Where does bronchial venous drainage occur?
What provides the motor and sensory innervation of the lungs?
What provides the motor and sensory innervation of the lungs?
What do bronchopulmonary anastomoses occur between?
What do bronchopulmonary anastomoses occur between?
How does the smooth muscle of bronchi compare to that of bronchioles?
How does the smooth muscle of bronchi compare to that of bronchioles?
Which cells affect respiratory airways and can release chemical mediators?
Which cells affect respiratory airways and can release chemical mediators?
What is the structure of an acinus?
What is the structure of an acinus?
Which cells are found in an adult alveolus and what is their function?
Which cells are found in an adult alveolus and what is their function?
What are some characteristics of respiratory epithelium?
What are some characteristics of respiratory epithelium?
What is the circulation of bronchi?
What is the circulation of bronchi?
Which type of cells are specialized for gas exchange in the alveoli?
Which type of cells are specialized for gas exchange in the alveoli?
What structures give rise to clusters of alveoli that open into sacs in the respiratory zone?
What structures give rise to clusters of alveoli that open into sacs in the respiratory zone?
What do mast cells in the connective tissue of airways contain in their secretory granules?
What do mast cells in the connective tissue of airways contain in their secretory granules?
Which fibers provide weak motor effect on airway diameter but do produce vasoconstriction and inhibition of gland secretion?
Which fibers provide weak motor effect on airway diameter but do produce vasoconstriction and inhibition of gland secretion?
What is the predominant balance to the excitatory cholinergic system in the neural control of airways?
What is the predominant balance to the excitatory cholinergic system in the neural control of airways?
Which hormone signaling results in relaxation of airway smooth muscle during 'flight or fight' circumstances?
Which hormone signaling results in relaxation of airway smooth muscle during 'flight or fight' circumstances?
Which cells are replaced by Club cells in the terminal bronchioles?
Which cells are replaced by Club cells in the terminal bronchioles?
What is part of the lung supplied by a single 1st order respiratory bronchiole and all structures to and including the alveolar sac?
What is part of the lung supplied by a single 1st order respiratory bronchiole and all structures to and including the alveolar sac?
What cells prevent leakage into the alveolar space through tight junctions?
What cells prevent leakage into the alveolar space through tight junctions?
Which fibers may weakly bronchodilate in the airways?
Which fibers may weakly bronchodilate in the airways?
Which of the following is responsible for the metabolism of surfactant in the alveoli?
Which of the following is responsible for the metabolism of surfactant in the alveoli?
What is the primary function of lamellar bodies in the alveoli?
What is the primary function of lamellar bodies in the alveoli?
What process converts the released lamellar body material into the phospholipid surface film in the alveoli?
What process converts the released lamellar body material into the phospholipid surface film in the alveoli?
What is the role of surfactant in the alveoli?
What is the role of surfactant in the alveoli?
Which cell type takes up surfactant through endocytosis in the alveoli?
Which cell type takes up surfactant through endocytosis in the alveoli?
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