Respiratory System Overview
14 Questions
2 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What are the cellular sites of the exchange of O2 and CO2 between inspired air and blood?

  • Alveoli (correct)
  • Bronchi
  • Pharynx
  • Trachea
  • Which part of the respiratory system provides conduits for air movement to and from alveoli?

  • Larynx
  • Pharynx
  • Nasal cavities
  • Bronchioles (correct)
  • What provides the conducting portion of the respiratory system with rigid structural support and necessary flexibility?

  • Cartilage, collagen, and elastic fibers (correct)
  • Diaphragm
  • Alveoli
  • Smooth muscle
  • What is the main function of the respiratory portion of the respiratory system?

    <p>Gas exchange</p> Signup and view all the answers

    Which part of the respiratory system consists of the nasal cavities, pharynx, larynx, trachea, bronchi, bronchioles, and terminal bronchioles?

    <p>Conducting portion</p> Signup and view all the answers

    What is included in the ventilating mechanism of the respiratory system?

    <p>Thoracic cage, intercostal muscles, diaphragm, and elastic components of lung tissue</p> Signup and view all the answers

    Which type of epithelium lines the middle and inferior conchae in the nasal cavities?

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

    What is the function of the thin mucus layer produced by seromucous glands and goblet cells in the nasal cavities?

    <p>To trap air impurities and remove them</p> Signup and view all the answers

    What is the role of the bony shelflike projections called conchae in the nasal cavities?

    <p>To increase surface area for conditioning inhaled air</p> Signup and view all the answers

    What is the main function of the sweat glands, sebaceous glands, and vibrissae in the nasal vestibule?

    <p>To filter out particulate material from the air</p> Signup and view all the answers

    What is the type of epithelium that covers the roof of the nasal cavities and the superior conchae?

    <p>Olfactory epithelium</p> Signup and view all the answers

    In which part of the nasal cavities is the epithelium keratinized?

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

    What is the main function of ciliated columnar cells in the respiratory epithelium of the nasal cavities?

    <p>To move mucus and trapped particles toward the throat</p> Signup and view all the answers

    What is the function of immunoglobulin A (IgA) in the secretions of the nasal cavities?

    <p>To provide protection against pathogens</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Browser