A Nurse Is Caring for a Client Who Is Aggressive

A nurse is caring for a client who is aggressive, demanding, and verbally abusive toward staff and visitors. The client says, "I'm getting out of here. I'm going to end it all." What immediate action should the nurse take?

A) Attempt to block the exit door.
B) Call security.
C) Attempt to administer a sedative to the client.
D) Notify the client's family.