Porcelain or ceramic units that plug into electrical outlets and that have essential oil poured directly onto the heated porcelain or ceramic surface describes ________

Which foams are required to extinguish fires of ethanol or ethanol-based fuels?

A. Class A foams B. Synthetic foams C. Protein-based foams D. Alcohol-resistant foams

A PaO2 below what value would be considered moderate hypoxemia?

a. 75 mm Hg b. 65 mm Hg c. 55 mm Hg d. Depends on the FiO2