23_ActiveLecturePRS - Which structure is not part of the...

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Which structure is not part of the lower respiratory system? 1. Larynx 2. Pharynx 3. Trachea 4. Bronchi
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Which structure is the final part of the conduction portion of the respiratory tract? 1. Alveolar sacs 2. Tertiary bronchi 3. Respiratory bronchioles 4. Terminal bronchioles
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What role do the nasal conchae play in the respiratory system? 1. Trapping airborne particles in mucus 2. Warming and humidifying incoming air 3. Bringing olfactory stimulation to olfactory receptors 4. All of the above are correct
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The epithelium of the pharynx changes from ____ in the nasopharynx to ____ in the oropharynx. Why? 1. Pseudostratified ciliated columnar to stratified squamous/oropharynx is subject to abrasion 2. Simple cuboidal to pseudostratified ciliated columnar/gas exchange occurs in the nasal cavity 3. Stratified squamous to pseudostratified ciliated columnar/nasopharynx contains goblet cells 4. None of the above.
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Why are the cartilages that reinforce the trachea C-shaped? 1. To prevent tracheal crushing 2. To conform to thoracic cavity shape 3. To allow room for esophageal expansion 4. To allow normal cardiac functioning
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What happens to the alveoli if surfactant is not produced? Why? 1. The alveoli contract/elastic recoil of lungs 2. The alveoli collapse/increase in surface tension 3. The alveoli expand/intrapleural pressure decreases 4. The alveoli burst/increase in intrapulmonary pressure
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What path does air take in flowing from the glottis to the respiratory membrane? 1. Larynx, trachea, bronchi, alveolar duct, alveolar sac, respiratory membrane 2. Larynx, trachea, alveolar duct, bronchioles, respiratory membrane 3. Trachea, bronchi, larynx, bronchioles, alveolar duct, alveolar sac 4. Larynx, trachea, bronchioles, alveolar duct, bronchi, alveolar sac, respiratory membrane
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23_ActiveLecturePRS - Which structure is not part of the...

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