A patient is being administered supplemental oxygen with a 40% air-entrainment mask being powered with a flow of 6 L/min.The manufacturer recommends a flow of 4 L/min.Which of the following will occur with this change?
1)There will be an increase in the delivered FɪO₂.
2)There will be an increase in the total flow
3)There will be a decrease in the total flow
4)There will be no change in the FɪO₂.

Question

Quizplus · Accepted Answer

The total flow from an air-entrainment mask will increase as the oxygen flow rate is increased.As long as the air:oxygen ratio is not changed,there will be no changes in the delivered FɪO₂.

A Patient Is Being Administered Supplemental Oxygen with a 40