Some strategies for minimizing the risk of fire hazard with O2 therapy include which of the fol-lowing?

1. Using the lowest effective FiO2
2. Properly educating patients and caregivers
3. Avoiding aluminum regulators and other high-risk devices
4. Mixing the oxygen with carbon dioxide.
a. 1 and 3 only
b. 1, 2, and 3 only
c. 2 and 4 only
d. 1, 2, 3, and 4

ANS: B
Common ways to minimize the fire risk with supplemental oxygen include using the lowest ef-fective FiO2, properly educating users and avoiding high-risk equipment.