Respiratory System Mechanics Quiz
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Questions and Answers

What happens when the intercostal muscles between the ribs contract during inhalation?

  • The ribs are pulled upwards and outwards (correct)
  • The ribs are pushed downwards and inwards
  • The ribs remain stationary
  • The ribs become flexible

    • What occurs when the diaphragm muscles contract during inhalation?

  • The diaphragm moves downwards (correct)
  • The diaphragm moves upwards
  • The diaphragm remains still
  • The diaphragm expands sideways

    • What happens to the volume and pressure inside the chest cavity during inhalation?

  • Volume decreases, pressure increases
  • Volume and pressure both increase
  • Volume and pressure remain constant
  • Volume increases, pressure decreases (correct)

    • What occurs when the intercostal muscles relax during exhalation?

    <p>The ribs return to their normal position</p> Signup and view all the answers

    What happens to the volume and pressure inside the chest cavity during exhalation?

    <p>Volume decreases, pressure increases</p> Signup and view all the answers

    What happens when the intercostal muscles between the ribs contract during inhalation?

    <p>Ribs are pulled upwards and outwards</p> Signup and view all the answers

    What occurs when the diaphragm muscles relax during exhalation?

    <p>Space inside the chest cavity increases</p> Signup and view all the answers

    What happens to the volume and pressure inside the chest cavity during inhalation?

    <p>Volume increases, pressure decreases</p> Signup and view all the answers

    What occurs when the intercostal muscles between the ribs relax during exhalation?

    <p>Ribs are pushed downwards and inwards</p> Signup and view all the answers

    What happens when the diaphragm muscles contract during inhalation?

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

    What happens when the intercostal muscles between the ribs relax during exhalation?

    <p>The ribs come back to their normal position</p> Signup and view all the answers

    What occurs when the diaphragm muscles relax during exhalation?

    <p>The diaphragm moves upwards</p> Signup and view all the answers

    What happens to the volume and pressure inside the chest cavity during inhalation?

    <p>Volume increases, pressure decreases</p> Signup and view all the answers

    What happens to the volume and pressure inside the chest cavity during exhalation?

    <p>Volume decreases, pressure increases</p> Signup and view all the answers

    What occurs when the intercostal muscles between the ribs contract during inhalation?

    <p>Ribs move upwards and outwards</p> Signup and view all the answers

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