A nurse is teaching a newly licensed nurse about caring for clients in the emergency department. Which of the following actions should the nurse include when teaching about interacting with a client who is aggravated, pacing, and speaking loudly?

A. Engaging the panic alarm should only be done if there is an immediate threat of violence. B. Acknowledging the client's feelings is an appropriate de-escalation technique that shows empathy and may help calm the situation. C. A face shield and mask are not routinely necessary unless there is a risk of bodily fluids. D. Seclusion should be considered only when the client poses a significant threat to themselves or others.