Respiratory System MCQ Questions and Answers for Practice

Q: The term respiration refers to

This question tests conceptual understanding. Review the topic carefully to determine the correct answer.

Q: A structure that is not a part of the respiratory system is

This question tests conceptual understanding. Review the topic carefully to determine the correct answer.

Q: The functions of the respiratory system include all of the following except

This question tests conceptual understanding. Review the topic carefully to determine the correct answer.

Q: Which of the following is (are) not located within the nasal cavity?

This question tests conceptual understanding. Review the topic carefully to determine the correct answer.

Q: The roof of the nasal cavity is formed medially by

This question tests conceptual understanding. Review the topic carefully to determine the correct answer.

Welcome to our Respiratory System MCQs category page! These multiple-choice questions are designed to help students and exam aspirants test and enhance their knowledge of the respiratory system.

About Respiratory System MCQ Questions

The Respiratory System MCQs cover a wide range of topics, from the basic structure and function of the lungs to more complex processes like gas exchange and respiratory disorders. Each question is crafted to ensure a comprehensive understanding and application of key concepts in respiratory physiology.

Why Practice Respiratory System Objective Questions?

Practicing these objective questions can significantly boost your performance in school and college exams, competitive exams, and job interviews. They help reinforce your knowledge, improve your problem-solving skills, and build confidence in your understanding of the respiratory system.

Who Should Use These MCQs?

Students preparing for school or college exams
Competitive exam aspirants
Candidates preparing for interviews

Respiratory System MCQ Questions for Practice

1. The term respiration refers to

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

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

the nasal cavity.
the pharynx.
the trachea.
the esophagus.

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

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

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

conchae
meatuses
uvula
nasal septum

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

the superior concha.
the nasal bone.
the sphenoid bone.
the cribriform plate of the ethmoid bone.

6. Mucus is secreted into the nasal cavity by

the goblet cells.
the vestibule.
the adenoids.
the choanae.

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

maxillary
pterygoidal
sphenoidal
frontal

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

palatine tonsils.
nasal meatuses.
paranasal sinuses.
pharyngeal tonsils.

9. Adams apple is used to refer to

the trachea.
the thyroid cartilage.
the larynx.
the epiglottis.

10. The vocal folds are attached to

the cricoid and thyroid cartilages.
the cuneiform and cricoid cartilages.
the corniculate and thyroid cartilages.
the arytenoid and thyroid cartilages.

11. Which of the following does (do) not apply to the trachea or bronchi?

goblet cells
carina
cilia
simple squamous epithelium

12. Which of the following is the correct sequence in which inspired air flows?

choana, pharynx, nasal fossa, larynx, trachea, bronchus, and lung
nasal fossa, pharynx, larynx, choana, trachea, bronchus, and lung
nasal fossa, choana, pharynx, larynx, trachea, bronchus, and lung
choana, nasal fossa, larynx, pharynx, trachea, bronchus, and lung

13. On its way to the pulmonary alveoli, inspired air comes in contact with various kinds of epithelia in the sequence

simple squamous, stratified squamous, simple cuboidal, and pseudostratified ciliated columnar epithelia.
pseudostratified ciliated columnar, stratified squamous, simple cuboidal, and simple squamous epithelia.
stratified squamous, pseudostratified ciliated columnar, simple cuboidal, and simple squamous epithelia.
pseudostratified ciliated columnar, stratified squamous, simple squamous, and simple cuboidal epithelia.

14. The functional units of the respiratory system, where gas exchange occurs are

the pulmonary alveoli.
the pleurae.
the lungs.
the pulmonary vessels.

15. Which of the following statements is false concerning the pulmonary alveoli?

They are lined with ciliated epithelium.
They are moistened with surfactant.
They number about 350 million per lung.
They permit diffusion of respiratory gases.

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Respiratory System MCQ Questions and Answers for Practice

About Respiratory System MCQ Questions

Why Practice Respiratory System Objective Questions?

Who Should Use These MCQs?

Respiratory System MCQ Questions for Practice

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?

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