The Respiratory System and Gas Exchange Quiz
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Questions and Answers

Which structure is responsible for gas exchange in the lungs?

  • Diaphragm
  • Trachea
  • Bronchi
  • Alveoli (correct)

    • What causes a left-shifted oxyhemoglobin dissociation curve?

  • Increased H+ concentration
  • Decreased pH
  • Decreased temperature (correct)
  • Increased O2 unloading

    • Which nervous system is responsible for bronchodilation during inspiration?

  • Peripheral nervous system
  • Parasympathetic nervous system
  • Central nervous system
  • Sympathetic nervous system (correct)

    • Why should asthmatics not be given beta blockers?

    <p>They cause bronchoconstriction</p> Signup and view all the answers

    What happens to the smooth muscle during exhalation?

    <p>It contracts</p> Signup and view all the answers

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