Apneustic Centre and Breathing Control Quiz
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Questions and Answers

What effect do SARs have on respiratory frequency?

  • No effect
  • Increase it (correct)
  • Stabilize it
  • Decrease it
  • When do SARs become important according to the text?

  • At low tidal volumes
  • During exercise with increased tidal volume (correct)
  • In chronic obstructive lung diseases
  • During rest
  • In infants, what is the likely role of SARs?

  • Have no significant role
  • Increase tidal volume
  • Help terminate normal inspiration (correct)
  • Activate expiratory neurons
  • What pattern of breathing is observed after brainstem transection?

    <p>Apneustic breathing</p> Signup and view all the answers

    What significance do Hering-Breuer receptors have in normal adults?

    <p>Activated at end normal tidal volumes</p> Signup and view all the answers

    When do Hering-Breuer receptors become important in chronic obstructive lung diseases?

    <p>When lungs are more distended</p> Signup and view all the answers

    Which factor influences respiration according to the text?

    <p>Chemical and mechanical factors</p> Signup and view all the answers

    What is the effect of speeding inspiratory termination on respiratory frequency?

    <p><strong>Increase</strong> respiratory frequency</p> Signup and view all the answers

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