What inspiratory flow and inspiratory time would produce a tidal volume of 750 mL on the Smiths Medical Pneupac ventiPAC ventilator? Inspiratory flow Inspiratory time
1. 0.33 L/s 1 s
2. 0.5 L/s 1.5 s
3. 0.75 L/s 1 s
4. 0.45 L/s 2 s
a. 3 only c. 1 and 4
b. 2 and 3 d. 1, 2, and 4
ANS: B
Tidal volume (L) = Inspiratory flow (L/s) ? Inspiratory time (s). 0.5 L/s ? 1.5 s = 0.75 L, or 750 mL, and 0.75 L/s ? 1 s = 0.75 L, or 750 mL.
Health Professions
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