The vitamin-K-dependent coagulation factors are II, VII, IX, and X.

When managing a patient who may hurt himself or others, you should do all of the following except:

A) retreat if the patient becomes threatening. B) watch for sudden changes in the patient's behavior. C) make sure only you and the patient are in the room. D) keep bystanders a safe distance away.

You are dispatched to a psychiatric emergency for a 68-year-old male. Dispatch provides no other information and, when questioned by you, they do not have any more information. Although all steps are important in dealing with this situation, which step is the MOST important?

A) Primary assessment B) Scene size-up C) Vital signs and SAMPLE history D) Secondary assessment