A nurse is caring for a client who is experiencing a situational crisis following the sudden loss of their adolescent child. Which of the following actions should the nurse take first?

The correct answer is D: Determine if the client has thoughts of harming themselves. This is the first priority in this situation as the client is experiencing a situational crisis and may be at risk for self-harm or suicide. By assessing for suicidal ideation, the nurse can ensure the client's safety and initiate appropriate interventions if needed. This action takes precedence over providing coping skills teaching (A), identifying support persons (B), or planning follow-up visits (C) because the client's immediate safety is the primary concern. It is crucial to address any potential risk of self-harm before proceeding with other interventions.