Thoracic Cage Compliance
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Questions and Answers

What is the compliance of the total pulmonary system compared to the compliance of the lungs alone?

  • Almost exactly one half (correct)
  • Twice as much
  • Five times less
  • Slightly more than the lungs alone

    • What happens to the compliance of the combined lung-thorax system when near its limits?

  • Remains unchanged
  • Can be less than one fifth that of the lungs alone (correct)
  • Becomes equal to the lungs alone
  • Increases significantly

    • How much pressure is required to inflate the total pulmonary system compared to inflating the lungs alone?

  • Three times more
  • Four times more
  • Almost twice as much (correct)
  • Slightly less

    • What would be required even if the lungs were not present in the thorax?

    <p>Muscular effort to expand the thoracic cage</p> Signup and view all the answers

    What are the elastic and viscous characteristics of the thoracic cage similar to?

    <p>Those of the lungs</p> Signup and view all the answers

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