A client with acute mania fails to respond to a nurse's interventions to decrease his agitation. The nurse has attempted to defuse the client's anger, but the client refuses to participate in...

A client with acute mania fails to respond to a nurse's interventions to decrease his agitation. The nurse has attempted to defuse the client's anger, but the client refuses to participate in interventions that would lower anxiety. Which action should the nurse take next?

1. Seclude the client.

2. Restrain the client.

3. Medicate the client.

4. Control the client.