How much pressure and time is necessary during a lung recruitment maneuver?
a. 20-35 cm H2O for 30-40 seconds
b. 30-40 cm H2O for 15-25 seconds
c. 35-45 cm H2O for 40-60 seconds
d. 40-50 cm H2O for 35-45 seconds
ANS: C
The recruitment maneuver used to expand collapsed areas of the lung involves using a sustained high pressure of 35-45 cm H2O for 40-60 seconds.
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