Podcast
Questions and Answers
What is the term for the trapped air and PEEP caused by inadequate expiratory time?
What is the term for the trapped air and PEEP caused by inadequate expiratory time?
- High airway resistance
- Weak lung recoil force
- Auto-PEEP (correct)
- Abnormally long expiratory times
What type of flow requires a higher driving pressure than laminar flow to produce a given flow rate?
What type of flow requires a higher driving pressure than laminar flow to produce a given flow rate?
- Chaotic, with many churning eddy currents (correct)
- Organized in discrete streamlines
- Poiseuille's law
- Doubling the flow rate
What is the decreased force-generating capacity of actively working muscles called?
What is the decreased force-generating capacity of actively working muscles called?
- Weakness
- Fatigue (correct)
- Respiratory muscle weakness
- Increased accessory muscle use
What is the consequence of high respiratory rates coupled with high airway resistance or weak lung recoil force?
What is the consequence of high respiratory rates coupled with high airway resistance or weak lung recoil force?
What influences the pressure required to produce a given flow rate through the airways?
What influences the pressure required to produce a given flow rate through the airways?
What is the outward movement of the abdomen lagging behind that of the rib cage during inspiration called?
What is the outward movement of the abdomen lagging behind that of the rib cage during inspiration called?
In turbulent flow, what is the pressure gradient proportional to?
In turbulent flow, what is the pressure gradient proportional to?
What is the abdomen being sucked inward during inspiration as the rib cage expands outward called?
What is the abdomen being sucked inward during inspiration as the rib cage expands outward called?
What is the main issue of asthma patients and emphysema patients?
What is the main issue of asthma patients and emphysema patients?
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