Respiratory System Anatomy Quiz
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Questions and Answers

What is the function of terminal bronchioles in the respiratory system?

  • Site of gas exchange
  • Conduct air to reach the lungs (correct)
  • Connect nasal passages to the lungs
  • Warm and moisten inhaled air

    • Which structure in the respiratory system is responsible for the actual exchange of gases between air and blood?

  • Pharynx
  • Nasal cavity
  • Alveolar ducts (correct)
  • Larynx

    • What is the main function of alveoli in the respiratory system?

  • Connect nasal passages to the lungs
  • Conduct air to reach the lungs
  • Site of gas exchange (correct)
  • Warm and moisten inhaled air

    • Which blood vessel is responsible for carrying deoxygenated blood from the heart to the alveoli for gas exchange?

    <p>Pulmonary artery (C)</p> Signup and view all the answers

    How many generations of branching airways are there before reaching the terminal bronchioles in the tracheobronchial tree?

    <p>14L/28R (B)</p> Signup and view all the answers

    Which structure in the respiratory system resembles 'grapes' and is responsible for actual gas exchange?

    <p>Alveolar sacs (C)</p> Signup and view all the answers

    What is the primary role of the epithelial lining from the trachea to terminal bronchioles?

    <p>Air delivery and protection (A)</p> Signup and view all the answers

    What is the main function of gas exchange in the respiratory system?

    <p>Supplying oxygen to aerobic tissues in the body (C)</p> Signup and view all the answers

    Which structure has pouches that support gas exchange?

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

    Which of the following is involved in the internal gas exchange within the respiratory system?

    <p>Gas exchange between the capillaries and the tissues (D)</p> Signup and view all the answers

    Which muscles are primarily responsible for aiding in forced expiration in respiration?

    <p>Internal intercostals (B)</p> Signup and view all the answers

    What is the main function of alveoli in the respiratory system?

    <p>Gas exchange by diffusion (D)</p> Signup and view all the answers

    What is the purpose of alveolar pores?

    <p>Pressure equalization between alveoli (A)</p> Signup and view all the answers

    Where does gas exchange occur between the lungs and blood in the respiratory system?

    <p>Alveoli (D)</p> Signup and view all the answers

    Which part of the respiratory system consists of small, thin-walled inflatable sacs at the end of bronchioles?

    <p>Alveolar sacs (D)</p> Signup and view all the answers

    What is the role of terminal bronchioles in the respiratory system?

    <p>Conducting air to alveolar ducts (C)</p> Signup and view all the answers

    Which structure is responsible for connecting respiratory bronchioles to alveolar sacs for gas exchange?

    <p>Alveolar ducts (B)</p> Signup and view all the answers

    What does the moist environment in the alveoli primarily help with?

    <p>Facilitating diffusion of O2 and CO2 into/out of blood (B)</p> Signup and view all the answers

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