Elastic Properties of the Lung Quiz
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Questions and Answers

What are the distorting forces that usually affect the intrapleural pressure?

  • Volume change in the lungs
  • Intrapleural pressure (correct)
  • Intrapleural space
  • Elasticity of the lungs

What is lung compliance a measure of?

  • The rate of expiration from the lungs
  • How easily the lungs can be stretched (correct)
  • The force required for inspiration
  • The volume of air inhaled per breath

What locks the lungs and chest wall together?

  • Volume change in the chest wall
  • Elasticity of the lungs
  • Intrapleural space (correct)
  • Surfactant

What is the physiological importance of surfactant?

<p>Reduction of surface tension in the alveoli (A)</p> Signup and view all the answers

What does the elasticity of the lungs lead to during quiet expiration?

<p>Quiet expiration (B)</p> Signup and view all the answers

Prof.Marwa Abd Elaziz Physiology of Respiration Lecture 8 : Elastic properties of the lung

<p>RRS-209</p> Signup and view all the answers

Elasticity is a measure of how easily the lungs can be stretched and is conventionally expressed as ______

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

The lungs and the chest wall are ‘ locked together’ by the ______ space

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

The intrapleural space is airtight. So, the lungs are as firmly pressed to the chest wall as a suction cup attached to a ______

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

Lung compliance is the volume change that could be achieved in the lungs per unit ______ change

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

These distorting forces are usually those of intrapleural pressure, which becomes more negative to bring about inspiration and then becomes less negative, and the elasticity of the lungs leads to ______ expiration

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

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