9 Questions
What is the term for the trapped air and PEEP caused by inadequate expiratory time?
Auto-PEEP
What type of flow requires a higher driving pressure than laminar flow to produce a given flow rate?
Chaotic, with many churning eddy currents
What is the decreased force-generating capacity of actively working muscles called?
Fatigue
What is the consequence of high respiratory rates coupled with high airway resistance or weak lung recoil force?
Pressure in some of the slowly emptying alveoli may still be positive when the next inspiration begins
What influences the pressure required to produce a given flow rate through the airways?
Gas viscosity
What is the outward movement of the abdomen lagging behind that of the rib cage during inspiration called?
Asynchrony
In turbulent flow, what is the pressure gradient proportional to?
The square of the flow rate
What is the abdomen being sucked inward during inspiration as the rib cage expands outward called?
Abdominal Paradox
What is the main issue of asthma patients and emphysema patients?
High airway resistance
Test your knowledge of respiratory system mechanics with questions about airflow, lung mechanics, and respiratory distress.
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