Respiratory System Quiz

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Questions and Answers

What is the approximate lung volume of an adult?

  • 150-200 ml
  • 500 ml
  • 5,000 ml (correct)
  • 2,000 ml

Why is the left lung a little smaller than the right lung?

  • It has fewer lobes
  • It has a different shape
  • It has fewer alveoli
  • It shares space with the heart (correct)

What is the average breathing rate for a person at rest?

  • 5-8 times a minute
  • 30-35 times a minute
  • 12-15 times a minute (correct)
  • 20-25 times a minute

How much water do we lose through breathing per day?

<p>500 ml (A)</p> Signup and view all the answers

Approximately how long can an adult hold their breath on average?

<p>30 seconds (C)</p> Signup and view all the answers

What is the approximate lung volume of a child at birth?

<p>Approximately 150-200 ml</p> Signup and view all the answers

How much larger is the lung volume of an adult compared to a child at birth?

<p>Approximately 23-fold increase, reaching 5,000 ml in adulthood</p> Signup and view all the answers

Why is the left lung slightly smaller than the right lung?

<p>The left lung is smaller because it shares space in the left side of the chest with the heart</p> Signup and view all the answers

What is the surface area of the lungs equivalent to in size?

<p>Roughly the same size as a tennis court, approximately 78 feet long and 27 feet wide</p> Signup and view all the answers

How much water do we lose through breathing per hour?

<p>Approximately 17.5 ml per hour</p> Signup and view all the answers

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