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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. 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.
2. The larynx contains ________.
3. Changes in arterial pH can modify respiration rate and rhythm even when carbon dioxide and oxygen levels are normal.
4. The olfactory mucosal lining of the nasal cavity contains the receptors for the sense of smell.
5. Nerve impulses from ________ will result in inspiration.
6. Apneustic breathing is characterized by prolonged inspirations.
7. Which of the following does not influence the increase in ventilation that occurs as exercise is initiated?
8. Possible causes of hypoxia include ________.
9. The statement, ʺin a mixture of gases, the total pressure is the sum of the individual partial pressures of gases in the mixtureʺ paraphrases ________.
10. The relationship between the pressure and volume of gases is given by ________.
11. Which of the following is not found on the right lobe of the lung?
12. Surfactant helps to prevent the alveoli from collapsing by ________.
13. The respiratory membrane is a combination of ________.
14. Which of the following is not a stimulus for breathing?
15. Which of the following does not influence hemoglobin saturation?
16. Unlike inspiration, expiration is a passive act because no muscular contractions are involved. Expiration, however, depends on two factors. Which of the choices below lists those two factors?
17. Nasal conchae mainly work on inhalation to warm and moisten air. They serve minor functions for exhalation.
18. The loudness of a personʹs voice depends on the ________.
19. Which center is located in the pons?
20. Tidal volume is air ________.
21. Intrapleural pressure is normally about 4 mm Hg less than the pressure in the alveoli.
22. Which of the choices below describes the forces that act to pull the lungs away from the thorax wall and thus collapse the lungs?
23. The alveolar ventilation rate is the best index of effective ventilation.
24. Which of the following is not a form of lung cancer?
25. Which of the following is not true of the respiratory tract from the medium bronchi to the aveoli?

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