A nurse is preparing to discharge a client newly diagnosed with diabetes mellitus type 2. The client appears anxious and overwhelmed. Which of the following actions by the nurse best indicates effective client education?

Effective diabetes self-management education focuses on development of self-care competencies, including blood glucose monitoring, medication administration, dietary modification, and recognition of hypo- and hyperglycemia. Evaluation of teaching effectiveness requires demonstration of psychomotor skill acquisition, not passive receipt of information. Rationale: A. Written materials alone assess cognitive exposure but do not confirm understanding or ability to perform diabetes self-care tasks. An anxious client may not process written information effectively. Therefore passive education delivery does not demonstrate effective learning. B. Medical terminology use may increase accuracy for the nurse but can overwhelm the client and reduce comprehension. Effective education requires simplification and client-centered communication. Thus complex language delivery does not ensure understanding or skill acquisition. C. Skill demonstration through blood glucose monitoring directly evaluates psychomotor learning and confirms the client can independently perform essential diabetes self-management. It allows assessment of technique accuracy and correction of errors. Therefore return demonstration is the best indicator of effective education. D. Deferring education to a later appointment delays critical self-care instruction at a time when the client is already anxious and overwhelmed. Early reinforcement is essential for diabetes management. Thus postponed teaching does not demonstrate effective client education.