What is the expiratory time when the tidal volume is 700 mL,the flow rate is 50 L/min,and the inspiratory time-to-expiratory time ratio is 1:3?
A) 0.42 second
B) 0.70 second
C) 2.52 seconds
D) 4.67 seconds

Question

Quizplus · Accepted Answer

Inspiratory time = Tidal volume (in liters)÷ Flow rate (in liters/second)= 0.7 L ÷ 0.83 L/s = 0.84 s.Expiratory time = 3 * Inspiratory time = 3 * 0.84 = 2.52 s.

What Is the Expiratory Time When the Tidal Volume Is