You Note That the Air Intake Ports Surrounding the Jet

You note that the air intake ports surrounding the jet of a 35% air-entrainment mask are partially obstructed by the patient's bedding. Which of the following would you expect?
1) Decrease in the device's total output flow
2) Increase in the percent O₂ delivered by the device
3) Change in the FiO₂ received by the patient

A) 1 and 2 only
B) 2 and 3 only
C) 1 and 3 only
D) 1, 2, and 3