The concentration of oxygen delivered to the patient with an air-entrainment mask depends on which of the following?
1) Flow of the oxygen exiting the jet nozzle
2) Size of the jet nozzle outlet
3) Size of the entrainment port
4) Size of the Venturi mask
A) 1,2,and 3
B) 2,3,and 4
C) 1,2,and 4
D) 3 and 4
Correct Answer:
Verified
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