Services including tests, laboratory work, examinations, and treatments are coded using _______________. (Use the abbreviation in your answer)

Your partner works as a registered nurse in a local emergency department, but also volunteers as an EMT with a community EMS service. Given his background, which of the following would require immediate intervention by the supervisor or yourself?

A) Applies the cardiac monitor B) Starts a small IV C) Applies (continuous positive airway pressure (CPAP) D) Titrates oxygen from low-concentration to high-concentration

The EMT would suspect that a patient suffers from a traumatic brain injury (TBI), as opposed to post-traumatic stress disorder (PTSD) when he observes:

A) relationship problems. B) confusion and disorientation. C) anxiety and anger. D) left arm amputation.