Anatomy of the Respiratory System
30 Questions
0 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 type of epithelium covers the nasopharynx?

  • Keratinized stratified squamous
  • Nonkeratinized stratified squamous
  • Simple columnar
  • Pseudostratified ciliated columnar (correct)

    • Where is the pharyngeal tonsil located?

  • On the surface of the soft palate
  • In the posterior nasopharynx wall (correct)
  • At the base of the tongue
  • On the lateral wall of the oropharynx

    • What blocks material from the oral cavity and oropharynx from entering the nasopharynx?

  • The soft palate
  • The uvula (correct)
  • The epiglottis
  • The hyoid bone

    • What is the function of the lymphatic organs in the oropharynx?

    <p>To provide the first line of defense against ingested or inhaled foreign materials</p> Signup and view all the answers

    What type of epithelium lines the laryngopharynx?

    <p>Nonkeratinized stratified squamous</p> Signup and view all the answers

    Where does the laryngopharynx terminate?

    <p>At the superior border of the esophagus</p> Signup and view all the answers

    What is the function of the cartilaginous C-shaped rings in the primary bronchi?

    <p>To support the walls of the primary bronchi and keep them open</p> Signup and view all the answers

    What is the orientation of the right primary bronchus compared to the left primary bronchus?

    <p>More vertical and wider</p> Signup and view all the answers

    What is the purpose of the hilum of the lung?

    <p>To allow for the entry of pulmonary vessels, nerves, and bronchi</p> Signup and view all the answers

    What is the thickness of the cells in the basement membrane of capillaries?

    <p>.5 μ</p> Signup and view all the answers

    How many secondary bronchi are present in the left lung?

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

    What is the function of Type II cells in the alveoli?

    <p>Secreting surfactant</p> Signup and view all the answers

    What is the term for the smaller tubes that branch off from the tertiary bronchi?

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

    What is the primary function of the respiratory membrane?

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

    What is the name given to the part of the lung supplied by a segmental bronchus?

    <p>Bronchopulmonary segment</p> Signup and view all the answers

    What is the term for the exchange of gases between the lungs and atmosphere?

    <p>Pulmonary ventilation</p> Signup and view all the answers

    What is the primary muscle involved in inspiration?

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

    What happens to the diaphragm during exhalation?

    <p>It relaxes and moves upward</p> Signup and view all the answers

    What is the primary function of the respiratory mucosa in the nose?

    <p>To trap contaminants and move them up towards the mouth</p> Signup and view all the answers

    Which part of the nasal cavity is lined with olfactory receptors?

    <p>The superior surface of the nasal cavity</p> Signup and view all the answers

    What is the main function of the conchae in the nasal cavity?

    <p>To increase the surface area of the nasal cavity</p> Signup and view all the answers

    What is the name of the region of the pharynx that is attached to the larynx?

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

    What is the primary function of the paranasal sinuses?

    <p>To lighten the skull and act as resonance chambers for speech</p> Signup and view all the answers

    What separates the nasal cavity from the oral cavity?

    <p>The palate</p> Signup and view all the answers

    What is the effect of the contraction of the external intercostals on the thoracic cavity during inhalation?

    <p>Increasing the transverse dimensions</p> Signup and view all the answers

    What is the primary function of the internal intercostals during breathing?

    <p>Depressing the ribs during forced exhalation</p> Signup and view all the answers

    What is the role of the abdominal muscles in breathing?

    <p>Assisting with active exhalation</p> Signup and view all the answers

    What is the relationship between the volume of the thoracic cavity and the intrapulmonary pressure during inhalation?

    <p>The pressure decreases as the volume increases</p> Signup and view all the answers

    What is the direction of airflow during inhalation?

    <p>From the atmosphere into the lungs</p> Signup and view all the answers

    What is the primary mechanism driving the flow of gases during breathing?

    <p>Changes in thoracic volume</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser