During the admission assessment, a client with a history of schizophrenia tells the nurse, "I must submerge myself in hot water to atone for my sins." Which observation is most concerning to the nurse?
1. Noticeable body odor with oily skin and hair.
2. Turning the water faucets on full force in the bathroom.
3. Screaming that a hitman is coming to murder everyone.
4. Demanding to take hours of sleep medication early.