Respiratory System: Organs and Structures

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Questions and Answers

What is the primary function of the conducting zone of the respiratory system?

  • To exchange gases between the air and the bloodstream
  • To filter out debris and pathogens from the incoming air (correct)
  • To provide a route for food to pass through the body
  • To produce mucus and lighten the skull

What is the primary function of the nasal conchae?

  • To produce mucus and lighten the skull
  • To exchange gases between the air and the bloodstream
  • To disrupt airflow and force air to bounce along the epithelium to warm and clean it (correct)
  • To provide a route for food to pass through the body

What is the primary function of the epiglottis?

  • To disrupt airflow and force air to bounce along the epithelium to warm and clean it
  • To close off the tube so that food goes to the esophagus instead of the larynx (correct)
  • To exchange gases between the air and the bloodstream
  • To produce mucus and lighten the skull

Which part of the pharynx is responsible for both food and air passage?

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

What is the primary function of the trachea?

<p>To provide a route for air to pass between the larynx and the bronchial tree (A)</p> Signup and view all the answers

What is the primary function of the larynx?

<p>To connect the trachea to the pharynx and control the passage of air (C)</p> Signup and view all the answers

What is the primary function of the trachea?

<p>To act as a passageway for air to move in and out of the lungs (D)</p> Signup and view all the answers

What is the purpose of the carina in the bronchial tree?

<p>To induce coughing if a foreign body is present (D)</p> Signup and view all the answers

What structures are directly involved in gas exchange in the respiratory system?

<p>The alveoli and respiratory bronchioles (A)</p> Signup and view all the answers

What is the approximate total surface area of the lungs available for gas exchange?

<p>70 square meters (A)</p> Signup and view all the answers

How many lobes does the right lung have?

<p>3 (C)</p> Signup and view all the answers

What is the effect of the sympathetic nervous system on the bronchial tubes?

<p>Bronchodilation (D)</p> Signup and view all the answers

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