Calculate the static compliance given the following clinical data: tidal volume 600 mL, peak in-spiratory pressure (PIP) 40 cm H2O, plateau pressure (Pplateau) 30 cm H2O, positive end-expiratory pressure (PEEP) 15 cm H2O,
and tubing compliance (CT) 2 mL/cm H2O.
a. 14.5 mL/cm H2O
b. 38 mL/cm H2O
c. 55 mL/cm H2O
d. 58 mL/cm H2O
Q. 2 A patient-ventilator system check reveals the following information: peak inspiratory pressure (PIP) 32 cm H2O, positive end-expiratory pressure (PEEP) 12 cm H2O, plateau pressure (Pplateau) 20 cm H2O,
inspiratory time (TI) 1 second, and set frequency 12/min. Calculate the mean airway pressure.
a. 4 cm H2O
b. 8 cm H2O
c. 12 cm H2O
d. 14 cm H2O
Q. 3 Calculate the dynamic compliance given the following clinical data: tidal volume 500 mL, peak inspiratory time (PIP) 35 cm H2O, plateau pressure (Pplateau) 20 cm H2O, positive end-expiratory pressure (PEEP) 5 cm H2O,
and tubing compliance (CT) 2.5 mL/cm H2O.
a. 11.8 mL/cm H2O
b. 14.2 mL/cm H2O
c. 25 mL/cm H2O
d. 46.2 mL/cm H2O
Q. 4 Calculate dynamic compliance given the following clinical data: tidal volume 600 mL, peak in-spiratory pressure (PIP) 28 cm H2O, plateau pressure (Pplateau) 15 cm H2O, positive end-expiratory pressure (PEEP) 10 cm H2O, and CT 2 mL/cm H2O.
a. 30.2 mL/cm H2O
b. 31.3 mL/cm H2O
c. 38 mL/cm H2O
d. 44.1 mL/cm H2O
Q. 5 Calculate the static compliance given the following clinical data: tidal volume 500 mL, peak in-spiratory pressure (PIP) 35 cm H2O, plateau pressure (Pplateau) 25 cm H2O, positive end-expiratory pressure (PEEP) 12 cm H2O,
measured unintended positive end-expiratory pressure (auto-PEEP) 3 cm H2O, and tubing com-pliance (CT) 2.5 mL/cm H2O.
a. 17.5 mL/cm H2O
b. 34 mL/cm H2O
c. 36 mL/cm H2O
d. 47.5 mL/cm H2O
Q. 6 Bidirectional flow can be measured by which of the following devices?
a. Turbine flowmeter
b. Piezoelectric transducer
c. Ultrasonic vortex flowmeter
d. Variable orifice pneumotachometer
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