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Comprehensive and Detailed Explanation:

Implementation domain (approximately 46% of exam) emphasizes medication management, including monitoring therapeutic levels and adverse effects. Lithium has a narrow therapeutic index; toxicity signs like nausea and tremor require prompt intervention with lab verification (target 0.6-1.2 mEq/L). This prevents serious complications such as seizures or renal damage. Nurses apply knowledge of indications, contraindications, interactions (e.g., with NSAIDs), and client education. Therapeutic communication supports adherence. ANCC guidelines stress safety monitoring, psychoeducation, and collaboration. Non-pharmacological interventions complement but do not replace acute management. Cultural and developmental factors influence education delivery. Mastery of psychopharmacology ensures client safety and optimal outcomes across care settings. Study resources highlight the importance of ongoing assessment during implementation to adjust care dynamically.