A 90-year-old client in a long-term care facility has been exhibiting increased confusion, agitation, and difficulty sleeping for the past week. The client's family reports that these behaviors are new and different from the client's usual demeanor. What is the most important initial assessment the nurse should perform?

• 1 Assess the client's medication list for recent changes or additions
• 2 Evaluate the client's cognitive status using a standardized assessment tool
• 3 Review the client's recent social interactions and family visits
• 4 Conduct a comprehensive physical assessment to identify potential underlying medical conditions ✓ 정답

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