A physician orders 40% O2 through an air-entrainment nebulizer for a patient with a minute vol-ume of 12 L/min. What is the minimum nebulizer input flow required to ensure the prescribed FiO2?
a. 8 L/min
b. 10 L/min
c. 12 L/min
d. 14 L/min
ANS: B
For example, the total output flow of an air-entrainment nebulizer set to deliver 40% O2 ranges from 48 to 60 L/min.
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