Question
A 23-year-old woman is evaluated by her primary care physician because she reports that she has had intermittent oral ulcers and right knee pain. She has no significant past medical history, and her only medication is occasional ibuprofen. She is not sexually active and works in a grocery store. Physical examination shows no evidence of alopecia, skin rash, or joint swelling/inflammation. Her blood work shows that she has a positive antinuclear antibody (ANA) at a titer of 1:40, but no other abnormalities. Which of the following statements is true?
| A. | Four diagnostic criteria are required to be diagnosed with systemic lupus erythematosus; this patient has three. |
| B. |
Four diagnostic criteria are required to be diagnosed with systemic lupus erythematosus; this patient has two. |
| C. |
If urinalysis shows proteinuria, she will meet the criteria for systemic lupus erythematosus. |
| D. |
She meets the criteria for systemic lupus erythematosus because she has three criteria for the flare-disease. |
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