Pulmonary Surfactant Function and Ventilation


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Why are lungs internalized in terrestrial animals?

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1. Which of the following is true of surface tension in the respiratory system?

2. Which of these decreases surface tension and makes ventilation possible in the lungs?

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About This Quiz & Worksheet

You can use this quiz/worksheet combo to help you assess your understanding of the characteristics of and terms used in association with pulmonary surfactant.

Quiz & Worksheet Goals

In these assessments you'll be tested on the following:

  • Reason lungs are internalized in terrestrial animals
  • Surface tension in the respiratory system
  • Term used to describe the molecule that makes ventilation possible
  • Shortest gestation period that allows a child to breathe on its own
  • A problem caused by the lack of pulmonary surfactant

Skills Practiced

  • Critical thinking - apply relevant concepts to examine information about the respiratory system in a different light
  • Information recall - access the knowledge you've gained regarding how pulmonary surfactant allows for the expansion of the lungs
  • Knowledge application - use your knowledge to answer questions about lungs in terrestrial animals

Additional Learning

To learn more about this topic, review the accompanying lesson called Pulmonary Surfactant Function and Ventilation. This lesson covers the following objectives:

  • Explain why water is needed to help with ventilation in the respiratory system
  • Define surface tension
  • Describe what pulmonary surfactant is
  • Provide information about a condition that could result from the lack of pulmonary surfactant