Final answer:
In the initial phase of group therapy for bereavement, the nurse should define the purpose of the group and establish an expectation of confidentiality within the group.
Step-by-step explanation:
The nurse should include the following activities in the initial phase of group therapy for clients dealing with bereavement:
Define the purpose of the group: This helps set clear expectations and goals for the group members.
Establish an expectation of confidentiality within the group: This creates a safe and secure environment for sharing personal experiences and emotions.
These activities are essential in laying the foundation for effective group therapy sessions.