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*For medical professionals to read and reference Xueba Challenge, waiting for you! Regarding rheumatoid arthritis and rheumatoid factor, the correct description is A.
rheumatoid factor positive can diagnose rheumatoid arthritis B.
rheumatoid sub-negative can rule out rheumatoid arthritis C.
rheumatoid arthritis can be rheumatoid factor negative D.
Rheumatoid factor belongs to the spectrum of antinuclear antibodies E.
The most commonly measured rheumatoid factor is IgG type Upper stage Answer: A Analysis: The preferred immunosuppressant for the treatment of lupus nephritis is cyclophosphamide (CTX), so this question selects A
.
Link to previous article: Lupus nephritis (type IV), what is the preferred immunosuppressant?