Which agency sets standards for the purity of medical gases?

Approximately 15 trucks and cars have been involved in a "chain-reaction" collision. You are the first ambulance on the scene and begin going from vehicle to vehicle to determine the type and severity of each injury. This would be an example of what kind of triage?

A) Primary B) Secondary C) Emergency D) Tertiary

Smell receptors and taste cells are both a special type of receptor called a(n) ____________.

Fill in the blank(s) with the appropriate word(s).