One common proportioner is an eductor, which works on the ____ principle.

Using Guedel's classification, in which stage are most surgeries performed?

a. I b. II c. III d. IV

What should you do if you spot a spill in the hallway at work?

A) Leave the area so that you don't step in it B) Leave a message for your supervisor C) Assume the housekeeper will clean it up D) Clean it up yourself using safety precautions or report it to the appropriate person E) All of the above F) None of the above