Respiratory System MCQ Quiz - Multiple Choice Questions & Answers

1. The term respiration refers to

1. ventilation (breathing).
2. gas exchange within the lungs.
3. O2 utilization within the cells.
4. all of the above.

2. A structure that is not a part of the respiratory system is

1. the nasal cavity.
2. the pharynx.
3. the trachea.
4. the esophagus.

3. The functions of the respiratory system include all of the following except

1. providing O2 to the bloodstream and removing CO2.
2. creating air pressure that allows for swallowing.
3. enabling vocalization as expired air passes over the vocal cords.
4. assisting in abdominal compression.

4. Which of the following is (are) not located within the nasal cavity?

1. conchae
2. meatuses
3. uvula
4. nasal septum

5. The roof of the nasal cavity is formed medially by

1. the superior concha.
2. the nasal bone.
3. the sphenoid bone.
4. the cribriform plate of the ethmoid bone.

6. Mucus is secreted into the nasal cavity by

1. the goblet cells.
2. the vestibule.
3. the adenoids.
4. the choanae.

7. Which of the following does not refer to a paranasal sinus?

1. maxillary
2. pterygoidal
3. sphenoidal
4. frontal

8. A child who is a persistent mouth-breather because of blocked air passage in the nasopharynx probably has

1. palatine tonsils.
2. nasal meatuses.
3. paranasal sinuses.
4. pharyngeal tonsils.

9. Adams apple is used to refer to

1. the trachea.
2. the thyroid cartilage.
3. the larynx.
4. the epiglottis.

10. The vocal folds are attached to

1. the cricoid and thyroid cartilages.
2. the cuneiform and cricoid cartilages.
3. the corniculate and thyroid cartilages.
4. the arytenoid and thyroid cartilages.