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Rheumatoid arthritis — USMLE Step 3 MCQ

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ModerateInternal Medicine (Chronic Management)Rheumatoid arthritisUSMLE Step 3

A 43-year-old woman has symmetric swelling and morning stiffness of MCP and PIP joints for 4 months. Anti-CCP antibodies are positive and x-rays show early erosions. She has no pregnancy, liver disease, or renal impairment. Which of the following is the most appropriate next step in management?

Educational content. Not a substitute for clinical judgement or local policy.

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Correct answer: CStart methotrexate with folic acid

Rheumatoid arthritis requires early disease-modifying therapy; methotrexate is a common first-line DMARD.

Reference: Current US clinical practice standards and USMLE Step 3 content outline, https://www.usmle.org/exam-resources/step-3-materials