During an endoscopic procedure, the room lights are usually ________ for most of the case

In the event of an earthquake, all of the following are considered safe except:

A) under sturdy furniture. B) away from an inside wall. C) away from glass that could shatter. D) in the open, away from trees or telephone and electrical lines.

Which of the following, based on the pH, is considered a base?

a. Stomach secretions c. Saliva b. Blood d. Urine