Respiratory System Functions and Components

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Questions and Answers

What is the primary function of the alveoli in the respiratory system?

  • Exchanging gases between air and blood (correct)
  • Producing surfactant
  • Filtering out foreign particles
  • Warming and humidifying the air

What is the term for the ability of the lungs to stretch and expand?

  • Elastance
  • Compliance (correct)
  • Elasticity
  • Flexibility

According to Boyle's law, what is the relationship between pressure and volume?

  • Unrelated
  • Inversely proportional (correct)
  • Directly proportional
  • Exponentially related

What is the primary function of the thoracic and abdominal muscles in the respiratory system?

<p>Creating pressure gradients (C)</p>
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What is the term for the exchange of oxygen and carbon dioxide between the lungs and the atmosphere?

<p>Gas exchange (D)</p>
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What is the purpose of the pulmonary veins in the respiratory system?

<p>Returning oxygenated blood to the heart (A)</p>
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What is the mechanism of gas exchange in the respiratory system?

<p>Oxygen and carbon dioxide diffuse through the alveoli (D)</p>
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What is the function of the type II alveoli in the respiratory system?

<p>Surfactant production (D)</p>
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What occurs during the process of conditioning air in the respiratory system?

<p>Warming to body temperature and adding moisture (D)</p>
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What is the direction of gas flow in the respiratory system?

<p>From high to low pressure areas (A)</p>
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What is the relationship between the partial pressure of a gas and its movement?

<p>The gas moves from high to low partial pressure (B)</p>
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What is the term for the ability of a material to return to its resting volume after stretching?

<p>Elastance (B)</p>
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