A ventilator has separate rate and minute ventilation controls. A physician orders continuous mandatory ventilation with a VT of 550 ml at a respiratory rate of 12/min. What minute ventila-tion would you set on this ventilator?
a. 5500 ml/min (7.9 L/min)
b. 6600 ml/min (8.6 L/min)
c. 7400 ml/min (9.4 L/min)
d. 8400 ml/min (11.4 L/min)
ANS: B
Tidal volume (VT) and rate (f) determine minute ventilation.
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