A series of numbers assigned to a healthcare practitioner that allow the practitioner to write prescriptions for controlled substances is referred to as his or her:

A patient has sustained an injury to his mediastinum. Based on the anatomy of his chest, which one of the following structures has been injured?

A) Diaphragm B) Esophagus C) Lungs D) Bronchus

Events that can trigger critical incident stress include:

a. mass-casualty incidents b. serious injury or traumatic death of a child c. death or serious injury of a coworker in the line of duty d. all of the above