Author Question: A ventilator has separate rate and minute ventilation controls. A physician orders continuous ... (Read 55 times)

karen · **on:** Jul 16, 2018

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)

Question 2

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)

Tonny · **Reply #1 on:** Jul 16, 2018

Answer to Question 1

ANS: B
Tidal volume (VT) and rate (f) determine minute ventilation.

Answer to Question 2

ANS: A
Tidal volume (VT) and rate (f) determine minute ventilation (E).