Plowman . 298 - Pulmonary Ventilation
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Questions and Answers

What is the increase in pulmonary ventilation called during exercise?

  • Hypertension
  • Hypotension
  • Hyperpnea (correct)
  • Hypopnea
  • What is the initial immediate reaction to an increased metabolic demand?

  • Abrupt increase (correct)
  • Steady-state leveling off
  • Exponential rise
  • Triphasic response
  • What is the term used to describe the initial abrupt increase in pulmonary ventilation during exercise?

  • Phase 1 (correct)
  • Phase 2
  • Phase 3
  • Steady-state level
  • What is the primary reason for the initial rise in ventilation during exercise?

    <p>Increase in tidal volume</p> Signup and view all the answers

    What is the range of tidal volume in reality?

    <p>50-65% of vital capacity</p> Signup and view all the answers

    What factors influence the actual level of achieved exercise steady state?

    <p>Workload, fitness status, and environmental conditions</p> Signup and view all the answers

    What is the term used to describe the slower exponential rise in pulmonary ventilation during exercise?

    <p>Phase 2</p> Signup and view all the answers

    What is the name of the response seen in pulmonary ventilation during the onset of activity?

    <p>Triphasic response</p> Signup and view all the answers

    What is the time span depicted in Figure 10.1A?

    <p>2-3 minutes</p> Signup and view all the answers

    Which reserve volume does tidal volume encroach more into during exercise?

    <p>Inspiratory reserve volume</p> Signup and view all the answers

    Is the three-phase response at the onset of activity typically seen when VE is reported or graphed minute by minute?

    <p>No</p> Signup and view all the answers

    What is the name of the achieved exercise steady state after the slower exponential rise in pulmonary ventilation during exercise?

    <p>Phase 3</p> Signup and view all the answers

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