A required valve in most systems is a backflow preventer, a set of one-way ____ valves designed to keep water in a sprinkler system from reentering the public water supply.

Once a position has been offered to the medical assistant, a conversation regarding salary and benefits should ensue

Indicate whether the statement is true or false

Which of the following is a hypertonic solution?

A) 0.9 percent sodium chloride B) 0.45 percent sodium chloride C) 1.8 percent sodium chloride D) 0.2 percent sodium chloride