Respiratory
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Questions and Answers

What is the function of the paranasal sinuses in the respiratory system?

  • To produce mucus
  • To aid in breathing
  • To add resonance to the voice (correct)
  • To filter the air we breathe

    • How many regions does the pharynx divide into?

  • Two
  • Three (correct)
  • Five
  • Four

    • What is the function of the uvula in the nasopharynx?

  • To add resonance to the voice
  • To aid in swallowing
  • To block material from entering the nasopharynx (correct)
  • To produce mucus

    • Where are the tonsils located in the pharynx?

    <p>Oropharynx</p> Signup and view all the answers

    What is the function of the laryngopharynx?

    <p>To permit the passage of both food and air</p> Signup and view all the answers

    What is the connection between the lateral walls of the nasopharynx and the middle ear?

    <p>Eustachian tube</p> Signup and view all the answers

    What is the function of the conducting zone in the respiratory system?

    <p>To filter, warm, and moisten air and conduct it into the lungs</p> Signup and view all the answers

    What type of epithelial cells are found in the respiratory mucosa?

    <p>Pseudostratified ciliated columnar epithelial cells</p> Signup and view all the answers

    What is the main function of the cilia in the respiratory mucosa?

    <p>To move mucus up towards the mouth</p> Signup and view all the answers

    What is the name of the structure that separates the two sides of the nasal cavity?

    <p>Midline nasal septum</p> Signup and view all the answers

    What is the purpose of the vibrissae in the nasal vestibule?

    <p>To filter coarse particles from inspired air</p> Signup and view all the answers

    What is the name of the zone where gas exchange occurs in the respiratory system?

    <p>Respiratory zone</p> Signup and view all the answers

    What is the approximate length of the larynx?

    <p>5 cm</p> Signup and view all the answers

    What type of cartilage are all the laryngeal cartilages except the epiglottis?

    <p>Hyaline cartilage</p> Signup and view all the answers

    What is the name of the ligament that connects the thyroid cartilage to the hyoid bone?

    <p>Thyrohyoid membrane</p> Signup and view all the answers

    What is the name of the triangular slit opening between the true vocal cords?

    <p>Glottis</p> Signup and view all the answers

    How many pairs of cartilages form the larynx?

    <p>3 paired cartilages</p> Signup and view all the answers

    What is the function of the intrinsic muscles of the larynx?

    <p>Connect the cartilages to one another</p> Signup and view all the answers

    What is the primary function of the trachea's closure?

    <p>To prevent food or liquid from entering the trachea</p> Signup and view all the answers

    What is the approximate length of the trachea?

    <p>4-5 in</p> Signup and view all the answers

    What type of cartilage supports the walls of the primary bronchi?

    <p>Hyaline cartilage</p> Signup and view all the answers

    How many lobes are supplied by the secondary bronchi in the right lung?

    <p>3</p> Signup and view all the answers

    What is the name of the internal ridge formed by the inferior tracheal cartilage?

    <p>Carina</p> Signup and view all the answers

    What is the final branch of the bronchial tree that ends in an alveolar sac?

    <p>Respiratory bronchioles</p> Signup and view all the answers

    What is the main function of Type I alveolar cells?

    <p>Where gas exchange occurs</p> Signup and view all the answers

    What is the term for the variation in airway diameter during exertion and sympathetic and parasympathetic reactions?

    <p>Bronchodilation and bronchoconstriction</p> Signup and view all the answers

    What is the approximate range of the number of alveoli in the lungs?

    <p>274,000-790,000</p> Signup and view all the answers

    What is the term for the cells that remove debris from the alveoli?

    <p>Alveolar dust cells</p> Signup and view all the answers

    What is the shape of the lungs?

    <p>Conical</p> Signup and view all the answers

    What is the term for the surface of the lung where the bronchi and blood vessels enter and exit?

    <p>Hilum</p> Signup and view all the answers

    The number of cartilage increases and the number of smooth muscle decreases in successive branching of the respiratory system.

    <p>False</p> Signup and view all the answers

    Epithelial cells in the terminal bronchioles are ciliated pseudostratified columnar.

    <p>False</p> Signup and view all the answers

    Alveoli have a thick wall specialized to promote diffusion of gases between the alveolus and the blood in the pulmonary capillaries.

    <p>False</p> Signup and view all the answers

    Type I alveolar cells are responsible for removing debris from the alveoli.

    <p>False</p> Signup and view all the answers

    The lungs occupy a small space within the thoracic cavity.

    <p>False</p> Signup and view all the answers

    The lungs have a cylindrical shape.

    <p>False</p> Signup and view all the answers

    The medial aspect of each lung is called the hilum of lung.

    <p>True</p> Signup and view all the answers

    There are approximately 100 million alveoli in the lungs.

    <p>False</p> Signup and view all the answers

    Type II alveolar cells are simple squamous cells where gas exchange occurs.

    <p>False</p> Signup and view all the answers

    The mediastinum is located between the lungs, separating the mediastinal surface of the lungs.

    <p>True</p> Signup and view all the answers

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