The characteristic(s)of low-flow devices is (are):
1)fractional inspired oxygen (FɪO₂)from 0.22 to 0.60.
2)make use of a nasal cannula.
3)make use of a Venturi mask.
4)make use of a transtracheal catheter.

Question

Quizplus · Accepted Answer

All of the choices are low-flow devices except for a Venturi mask.A Venturi mask is an air-entrainment device,all of which are considered to be high-flow devices.Therefore,Venturi masks deliver a precise FɪO₂.

The Characteristic(s)of Low-Flow Devices Is (Are)