Human Anatomy: Lungs and Respiratory System
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Questions and Answers

What is the function of the roots of the lungs?

  • Region that conforms to the shape of the containing thoracic cavity
  • Region where the lung is connected to the trachea and the heart (correct)
  • Region where lobes receive main bronchus, pulmonary artery, and pulmonary veins
  • Region of the lung where bronchi and pulmonary vessels enter

    • Why is the right main bronchus more susceptible to inhaled foreign bodies?

  • It is narrower, longer, and more horizontal than the left main bronchus
  • On entering the hilum, it divides into middle and inferior lobar bronchi
  • It passes below the arch of aorta before entering the hilum
  • It is shorter, wider, and more vertical than the left main bronchus (correct)

    • Which lung has three lobes?

  • Right lung (correct)
  • Left lung
  • Both lungs
  • Neither lung

    • What is the function of the hilum of the lung?

    <p>Region of the lung where bronchi and pulmonary vessels enter</p> Signup and view all the answers

    What is the main difference between the right and left main bronchus?

    <p>Length, width, and orientation</p> Signup and view all the answers

    Where does each lung receive a main bronchus, one pulmonary artery, and two pulmonary veins?

    <p>Root of the lung</p> Signup and view all the answers

    What is the shape of the costal surface of the lung?

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

    Which region of the lung conforms to the shape of the containing thoracic cavity?

    <p>Costal surface</p> Signup and view all the answers

    Where does the apex of the lung project into?

    <p>Neck for about 2.5cm above the clavicle</p> Signup and view all the answers

    Which lobe receives superior lobar bronchus before entering its hilum?

    <p>Right lung</p> Signup and view all the answers

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