For every ________ centimeter difference in body part thickness, the technique should be changed by a factor of 2.

If a pharmacy makes the average number of medication errors in a year, and fills 20,000 prescriptions, how many mistakes will result?

A) 0.36 B) 3.6 C) 36 D) 360

Which of the following is a common mixture for carbon dioxide/oxygen therapy?

A) 5%/95% B) 20%/80% C) 30%/70% D) none of the above