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Simple Questions About The Respiratory System
Your Answer
Correct Answer
1. Movement of air in and out of the lungs is called ventilation.
True
False
2. The pharynx is located behind the oral cavity and between the nasal cavity and larynx.
True
False
3. The vocal cords are located in the pharynx.
True
False
4. The larynx connects directly to the oral cavity.
True
False
5. The trachea is flexible, but contains hyaline cartilage that helps prevent it from collapsing.
True
False
6. The bronchial tree consists of branched airways leading from the trachea to the microscopic air sacs in the lungs called alveoli.
True
False
7. Primary bronchi are larger in diameter than secondary bronchi, which are larger in diameter than bronchioles..
True
False
8. A young adult will typically have about 300 million alveoli.
True
False
9. Alveoli contain simple columnar epithelial cells through which gases can easily be exchanged.
True
False
10. Surfactant is a protein that reduces surface tension and decreases alveoli's tendency to collapse when lung volume is low.
True
False
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Last modified on November 14, 2005
