Anatomy Final Exam
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each of the black spaces below before clicking
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| 1. Maximum air movement in the lungs | vital capacity
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| 2. Which of the following is the most abundant gas in the air? | Nitrogen
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| 3. The lining of the trachea is: | ciliated columnar epithelium
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| 4. Airways that supply one lobe of a lung are called: | Secondary Bronchi
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| 5. The elastic structure that folds back over the glottis, preventing the entry of liquids or solid food into the respiratory tract during swallowing, is the | epiglottis.
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| 6. The layer of serous membrane that covers the surface of the lungs is the: | visceral pleura
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| 7. Surfactant: | plays a key role in keeping alveoli open
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| 8. Most of the carbon dioxide transported by the blood(approximately 70%) is: | ultimately transported as bicarbonate ions in the plasma
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| 9. Levels of which of the following are responsible for regulating respiratory activities under normal conditions? | carbon dioxide
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| 10. When at rest, the amount of air that enters and leaves the lungs in a normal respiratory cycle is the: | tidal volume.
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| 11. The actual sites of gas exchange within the lungs are: | Alveolar
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| 12. Right Lung has how many lobs: | 3
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| 13. Left Lung has how many lobs: | 2
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| 14. Lob tissue is: | ciliated columnar epithelium
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| 15. Alveolar tissue is: | simple squamous epithelium
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| 16. thyroid cartilage is: | the lining of the Adams apple
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| 17. Partial pressure gradient for CO2 in the lungs is less steep: | Venous blood Pco2 = 45 mm Hg Alveolar Pco2 = 40 mm Hg
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| 18. Partial pressure gradient for O2 in the lungs is steep: | Venous blood Po2 = 40 mm Hg
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| 19. Alveolar Po2: | 100 mm Hg
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| 20. Molecular O2 is carried in the blood: | 1% dissolved in plasma: 99% loosely bound to each Fe of hemoglobin (Hb) in RBCs
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| 21. CO2 is transported in the blood in three forms | 1.) 7 to 10% dissolved in plasma. 2.) 20% bound to globin of hemoglobin (carbaminohemoglobin). 3.) 70% transported as bicarbonate ions (HCO3-) in plasma.
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| 22. Make more 02 when: | exercising
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| 23. Hold breath: | PCo2 with go up to increase breathing
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