A nurse is caring for multiple clients on a mental health unit. Which of the following clients should the nurse attend to first?

A. Repeated medication requests indicate anxiety but do not present immediate danger. B. Yelling and throwing clothes in a private room is disruptive but poses less immediate risk to others. C. Pacing is a sign of agitation but is not immediately dangerous. D. A client screaming at others in a shared area presents an immediate risk of escalating conflict and potential harm to multiple clients. This situation requires priority intervention to maintain safety.