Routine inspections by which of the following agencies ensure that hospital and reference laboratories are following standards of performance for laboratory testing and phlebotomy procedures?

The period of time for the flow of charges in one direction in an electrical current is termed

A) a phase duration B) a pulse duration C) an interphase interval D) an interpulse interval

Which of the following patient responses would establish the "E" in the SAMPLE history?

A. "I was in the hospital a week ago." B. "I am not having any difficulty breathing." C. "I was mowing the lawn when the pain began."