A perfectly efficient aerosol delivery device would theoretically have an L/T ratio of which of the following?

Which of the following variables are measured directly by a blood gas machine? 1. pH 2. PaO2 3. HCO3– 4. SaO2

a. 1 and 2 c. 3 and 4 b. 2 and 3 d. 1 and 4

The basic units that make up proteins are called ________.

A. amino acids B. glucose C. monosaccharides D. polysaccharides