A 15-year-old client diagnosed with posttraumatic stress disorder (PTSD) is admitted to the unit after slicing both arms with a razor blade. He says, “Maybe my mother will listen to me now. She tells...

A 15-year-old client diagnosed with posttraumatic stress disorder (PTSD) is admitted to the unit after slicing both arms with a razor blade. He says, “Maybe my mother will listen to me now. She tells me I'm just crazy when I say I'm screwed up because my stepdad had sex with me for years.” The nurse should do the following in which order of priority first to last?