Final answer:
It is important to reinforce education for a client with SLE if they demonstrate a lack of understanding or incorrect knowledge about their condition and symptoms.
Step-by-step explanation:
If a client diagnosed with systemic lupus erythematosus (SLE) is experiencing an exacerbation, it is important for the client to be well-informed about their condition and symptoms. Based on the information provided, further education should be reinforced if the client makes a statement indicating a lack of understanding or incorrect knowledge about their condition. For example, if the client believes that SLE can be cured or if they are unaware of the potential symptoms and complications associated with SLE.