Mr. Jones is a 55-year-old divorced white male who was recently fired from his job. He lives alone in an apartment, and his sister, who lives nearby, called the police when she found no food in his refrigerator, his house was in shambles, and he threatened “to shoot himself.” When the police arrived, they placed him on an involuntary hold 5150 for danger to self (DTS). In the ambulance, his blood pressure is 180/96, his pulse is 96, respirations are 20 with pulse ox at 99%, and his temperature is 98.6. He looks down and is moving around a lot in his chair. When conducting an admission assessment for Mr. Jones on the psychiatric unit, your first nursing priority is (select the best answer):