________ The immune system is a protective mechanism designed to defend the body against substances that might be harmful to it

The HITECH requirements for the implementation of standardized electronic health records and related technologies are known as:

A. standard code sets. B. meaningful use. C. certification. D. computerized provider order entry.

During extrication of a seriously injured patient from his or her crashed vehicle, it is MOST important to:

A) provide emergency care while extrication is in progress if it is safe to do so. B) place a paramedic in the vehicle with the patient to provide emotional support. C) apply a vest-style extrication device to facilitate rapid removal after extrication. D) place a backboard onto a stretcher and have it as close to the vehicle as possible.