A client with emphysema is receiving continuous oxygen therapy. Depressed ventilation is likely to occur unless the nurse ensures that the oxygen is administered in which of the following ways? 1....

A client with emphysema is receiving continuous oxygen therapy. Depressed ventilation is likely to occur unless the nurse ensures that the oxygen is administered in which of the following ways?

1. Cooled.

2. Humidified.

3. At a low flow rate.

4. Through nasal cannula.