A client suspected of having systemic lupus erythematosus (SLE) is being scheduled for testing. The client asks which of the tests ordered will determine if the client is positive for the disorder. Which statement by the nurse is most accurate?A."You should discuss that matter with your physician."B."The diagnosis won't be based on the findings of a single test but by combining all data found."C."SLE is a very serious systemic disorder."D. Tell me more about your concerns about this potential diagnosis."