Final answer:
The best nursing intervention to prevent violence is helping the client express anxieties and anger. This empathetic approach fosters a safe environment for clients to manage emotions, which is more beneficial than seclusion or medication.
Step-by-step explanation:
The most appropriate nursing intervention to prevent a client from becoming violent would be c) Helping the client identify and express feelings of anxiety and anger. This proactive approach focuses on recognizing the early signs of emotional distress and provides the client with coping mechanisms to manage their feelings in a non-violent way. The nurse's role includes creating a therapeutic environment where the client feels safe to share their thoughts and feelings, thereby potentially preventing the escalation of violence.
Leaving the client alone or placing them in seclusion could increase their anxiety and does not address the underlying issues. While administering sedative medications might be necessary in certain situations, it is generally considered a more reactive measure and does not contribute to the long-term management of the client's ability to control anger. Engaging with the client to understand and express their feelings is a more empathetic and therapeutic approach.