Which type of oxygen delivery system should be chosen for clients in acute respiratory failure? a. Always use a low-flow device, such as a nasal cannula b. One that should correct the partial pressure...

Which type of oxygen delivery system should be chosen for clients in acute respiratory failure?

a. Always use a low-flow device, such as a nasal cannula

b. One that should correct the partial pressure of oxygen in arterial blood (PaO2 ) to a normal level as quickly as possible

c. Positive-pressure ventilation to prevent CO2 narcosis

d. One that should maintain the
 at 60 mm Hg or higher at the lowest fraction of inspired oxygen
 ) possible