MCQ quiz on Respiratory System multiple choice questions and answers on Respiratory System MCQ questions quiz on Respiratory System objectives questions with answer test pdf.
1. The term respiration refers to
2. A structure that is not a part of the respiratory system is
3. The functions of the respiratory system include all of the following except
4. Which of the following is (are) not located within the nasal cavity?
5. The roof of the nasal cavity is formed medially by
6. Mucus is secreted into the nasal cavity by
7. Which of the following does not refer to a paranasal sinus?
8. A child who is a persistent mouth-breather because of blocked air passage in the nasopharynx probably has
9. Adams apple is used to refer to
10. The vocal folds are attached to
11. Which of the following does (do) not apply to the trachea or bronchi?
12. Which of the following is the correct sequence in which inspired air flows?
13. On its way to the pulmonary alveoli, inspired air comes in contact with various kinds of epithelia in the sequence
14. The functional units of the respiratory system, where gas exchange occurs are
15. Which of the following statements is false concerning the pulmonary alveoli?
16. The region where a bronchus and pulmonary vessel enter and exit the lung is
17. Which of the following statements is false concerning the structure of the left lung?
18. Of the following serous membranes, the one that lines the thoracic walls and the thoracic surface of the diaphragm is
19. The pleurae perform all of the following functions except that of
20. The principal muscles responsible for the inspiration phase of pulmonary ventilation are
21. When the external intercostal muscles contract, the thoracic volume increases
22. Which of the following muscles does (do) not contract during extreme forced expiration—as in coughing?
23. Air that is moved in and out of the lungs during normal quiet breathing is called
24. When a person takes a very deep breath of air just prior to diving into water, this volume of air is referred to as
25. When the “wind” is knocked out of a football player because of a hard blow to the thorax or abdomen, the airthat is actually forced out of his lungs is
26. The principal respiratory center that directly controls breathing is located in
27. The diaphragm is innervated by
28. Which of the following does (do) not contain respiratory chemoreceptors?
29. The two cranial nerves that transmit sensory information to the brain from the peripheral, respiratory chemoreceptors are
30. During embryonic development, the olfactory placode becomes
31. Which statement is true concerning the laryngotrachial bud?
32. Which of the following conditions does not apply directly to the lungs?
33. Which of the following conditions could not result from trauma?
34. The disease that causes breakdown of the pulmonary alveoli, thus increasing the size of the air spaces and decreasing the surface area, is called
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