On the Basis of the Data Presented Below, Calculate the Time

On the basis of the data presented below, calculate the time constant.
$\bullet$ Tidal volume (VT) , 600 mL
$\bullet$ Respiratory rate (RR) , 12 breaths per minute
$\bullet$ Lung compliance (C) , 0.2 L/cm H₂O
$\bullet$ Airway resistance (Raw) , 2.5 cm H₂O/L/second
$\bullet$ Peak inspiratory pressure (PIP) , 30 cm H₂O
$\bullet$ Inspiratory time (TI) , 2 seconds
$\bullet$ Expiratory time (TE) , 1 second

A) 4.5 seconds
B) 3.0 seconds
C) 0.5 second
D) 0.1 second

Correct Answer:

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