Which of the following would decrease PaCO2 when ventilating a patient using intermittent mandatory ventilation with pressure support?
a. Increase the level of pressure support.
b. Decrease the tidal volume.
c. Decrease the mechanical rate.
d. Increase the FiO2.
Q. 2 A physician orders intubation and mechanical ventilation in volume-controlled ventilation mode for a 170-lb adult man with neuromuscular disease. Which of the following initial settings would you recommend?
Rate VT
a. 14 breath/min 540 ml
b. 20 breath/min 310 ml
c. 10 breath/min 770 ml
d. 6 breath/min 500 ml
Q. 3 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)
Q. 4 A ventilator has separate rate and VT controls. If you set a VT of 650 ml and a respiratory rate of 12/min in the continuous mandatory ventilation mode, what will the minute ventilation be?
a. 7800 ml/min (7.8 L/min)
b. 8500 ml/min (8.5 L/min)
c. 9600 ml/min (9.6 L/min)
d. 10,200 ml/min (10.2 L/min)
Q. 5 Which of the following are used as alternative lung protective strategies in patients with ARDS? 1. Prone positioning 2. ECMO 3. High-frequency ventilation 4. Pressure support ventilation
a. 1 and 3 only
b. 1, 2, and 3 only
c. 3 and 4 only
d. 2, 3, and 4 only
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