Final answer:
The scenario where a nurse assesses a client's ability to perform a dressing change is the best example of a nurse in the role of teacher/educator.
Step-by-step explanation:
The best example of the nurse in the role of teacher/educator would be scenario 1) Assessing whether the client is able to perform a dressing change. This action exemplifies the educational role as the nurse is directly involved in patient education and skills training, ensuring that the patient can competently manage their care after discharge. Nurses often provide education on a wide range of health-related topics, from performing self-care procedures to understanding medication regimens and disease management strategies.