The Respiratory System
30 Questions
1 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

Which of the following is a non-respiratory function of the respiratory system?

  • Oxygen uptake by tissues
  • Gas exchange across alveolar membrane
  • Mucociliary system
  • Regulation of acid-base status (correct)

    • What is the main purpose of the respiratory system?

  • To remove carbon dioxide from the peripheral tissues
  • To transport oxygen in the blood
  • To produce ATP for energy
  • To provide oxygen to the peripheral tissues (correct)

    • What is the process by which the body takes in oxygen and removes carbon dioxide?

  • Ventilation (correct)
  • Diffusion
  • Gas exchange
  • Uptake

    • Which division of the respiratory tract includes the trachea and bronchi?

    <p>Lower tract</p> Signup and view all the answers

    What is the function of the nose in the respiratory system?

    <p>To cool and warm the inspired air</p> Signup and view all the answers

    What is the role of the mucociliary system in the respiratory system?

    <p>To produce antimicrobial agents</p> Signup and view all the answers

    Which of the following is a respiratory function of the respiratory system?

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

    What is the purpose of the alveoli in the respiratory system?

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

    What is the main function of the pulmonary alveolar macrophages (PAMs) in the respiratory system?

    <p>To lyse clots in pulmonary vessels</p> Signup and view all the answers

    What is the purpose of the transport of oxygen and carbon dioxide in the blood in the respiratory system?

    <p>To transport gases to and from the cells</p> Signup and view all the answers

    Which type of epithelial cells in the alveolus occupies the majority of the surface area and is responsible for gas exchange?

    <p>Type I cells</p> Signup and view all the answers

    What is the primary function of the bronchial circulation in the respiratory system?

    <p>Supply oxygenated blood to the conducting zone</p> Signup and view all the answers

    What is the anatomical dead space in the respiratory system?

    <p>The area of the lung that does not participate in gas exchange</p> Signup and view all the answers

    What is the function of the mucociliary system in the respiratory passages?

    <p>To keep the respiratory passages moist and trap small particles from reaching the alveoli</p> Signup and view all the answers

    Which of the following is NOT a structural change that occurs in the airways from the trachea to the bronchi?

    <p>Decrease in length</p> Signup and view all the answers

    What is the function of the respiratory zone in the lower respiratory tract?

    <p>Gas exchange between the lung and pulmonary capillaries</p> Signup and view all the answers

    What is the role of type II epithelial cells in the alveolus?

    <p>Synthesize pulmonary surfactant and reduce surface tension</p> Signup and view all the answers

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

    <p>Resonating chambers for speech</p> Signup and view all the answers

    What is the role of the ciliated epithelium in the respiratory passages?

    <p>Beat at a frequency to move mucus towards the pharynx</p> Signup and view all the answers

    What is the average diameter of an alveolus in the lungs?

    <p>0.2 millimeter</p> Signup and view all the answers

    Which of the following is true about pulmonary circulation?

    <p>It is regulated by the autonomic nervous system</p> Signup and view all the answers

    Which of the following is true about the autonomic nervous system's control of airway resistance?

    <p>Both norepinephrine and epinephrine cause dilation of the bronchial tree</p> Signup and view all the answers

    Which receptor is responsible for the relaxation of airways (bronchodilation) in the adrenergic (sympathetic + adrenal gland) system?

    <p>β2-adrenoceptors</p> Signup and view all the answers

    Which receptor is responsible for the constriction of airways (bronchoconstriction) in the cholinergic (parasympathetic or vagus) system?

    <p>M3 receptors</p> Signup and view all the answers

    Which of the following is true about non adrenergic-non cholinergic (NANC) regulation of airways?

    <p>NANCe causes dilation of airways</p> Signup and view all the answers

    What can stimulate the Vagus nerves to cause airway constriction and coughing?

    <p>All of the above</p> Signup and view all the answers

    What is anatomical dead space?

    <p>Volume of air in the conducting airways</p> Signup and view all the answers

    What is alveolar dead space?

    <p>Volume of air in the alveoli without blood flow</p> Signup and view all the answers

    What is physiological dead space?

    <p>Sum of alveolar and anatomical dead space</p> Signup and view all the answers

    Which of the following local secretory factors may cause bronchiolar constriction during allergic reactions?

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

    More Like This

    Respiratory System Functions
    6 questions

    Respiratory System Functions

    PoshInterstellar avatar
    PoshInterstellar
    Respiratory System Functions Quiz
    12 questions

    Respiratory System Functions Quiz

    FeatureRichKazoo avatar
    FeatureRichKazoo
    Respiratory System Functions Quiz
    10 questions

    Respiratory System Functions Quiz

    StunnedClavichord avatar
    StunnedClavichord
    Respiratory System Functions Quiz
    24 questions

    Respiratory System Functions Quiz

    CleanestAstronomy6303 avatar
    CleanestAstronomy6303
    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser