Setting flow rates high will cause which of the following to occur?
a. Improve gas exchange
b. Lengthen inspiratory time
c. Increase air trapping
d. Increase peak pressures
ANS: D
The flow setting on a mechanical ventilator determines how fast the inspired gas will be deliv-ered to the patient. During continuous mandatory ventilation (CMV), high flows shorten inspira-tory time (TI) and may result in higher peak pressures and poor gas distribution.
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