A patient in the emergency department says, "Voices say someone is stalking me. They want to kill me because I developed a cure for cancer. I have a knife and will stab anyone who is a threat." Which aspects of the patient's mental health have the greatest and most immediate concern to the nurse? (Select all that apply.)

A) Happiness
B) Appraisal of reality
C) Control over behavior
D) Effectiveness in work
E) Healthy self-concept