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Anatomy and Physiology Practice Test: The Respiratory System
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Anatomy and Physiology Practice Test: The Respiratory System
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25 Questions

1. Which of the following is not a stimulus for breathing?
2. Select the correct statement about oxygen transport in blood:
3. The amount of air that can be inspired above the tidal volume is called ________.
4. The alveolar ventilation rate is the best index of effective ventilation.
5. Tracheal obstruction is life threatening.
6. The statement, ʺin a mixture of gases, the total pressure is the sum of the individual partial pressures of gases in the mixtureʺ paraphrases ________.
7. The respiratory membrane is a combination of ________.
8. Increased temperature results in decreased O2 unloading from hemoglobin.
9. Which of the following is not true of the respiratory tract from the medium bronchi to the aveoli?
10. Tidal volume is air ________.
11. The walls of the alveoli are composed of two types of cells, type I and type II. The function of type II is to ________.
12. Factors that influence the rate and depth of breathing include ________.
13. Which of the following determines lung compliance?
14. Which respiratory-associated muscles would contract if you were to blow up a balloon?
15. The olfactory mucosal lining of the nasal cavity contains the receptors for the sense of smell.
16. The functions of the nasal conchae are to enhance the air turbulence in the cavity and to increase the mucosal surface area exposed to the air.
17. Atelectasis (lung collapse) renders the lung useless for ventilation.
18. The larynx contains ________.
19. Nasal conchae mainly work on inhalation to warm and moisten air. They serve minor functions for exhalation.
20. Smoking diminishes ciliary action and eventually destroys the cilia.
21. Changes in arterial pH can modify respiration rate and rhythm even when carbon dioxide and oxygen levels are normal.
22. The nose serves all the following functions except ________.
23. Which of the following correctly describes mechanisms of CO2 transport?
24. Which of the following is not a form of lung cancer?
25. Which of the following does not influence hemoglobin saturation?

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