What procedure is used to estimate the amount of air trapped in the patient's lungs and in the patient circuit?
a. Inspiratory pause c. Pressure-control ventilation
b. End-expiratory pause d. Pressure-release ventilation
ANS: B
End-expiratory pause, or expiratory hold, is a procedure performed to estimate the pressure in the patient's lung and ventilator circuit caused by trapped air.
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