Restrictive Lung Disease USMLE Step 1 Practice Question
A 42-year-old woman with rheumatoid arthritis presents with progressive dyspnea and dry cough for 3 months. Vital signs: BP 128/82, HR 92, RR 22, SpO2 88% on room air, afebrile. Pulmonary function tests show FVC 68% predicted with reduced DLCO. HRCT demonstrates bilateral lower lobe reticular opacities with honeycombing. Rheumatoid factor and anti-CCP antibodies are positive. No fever or constitutional symptoms. Which pulmonary manifestation is most common in rheumatoid arthritis?
Answer choices
- AUsual interstitial pneumoniaCorrect answer
- BPleural effusion with low glucose
- CBronchiectasis
- DObstructive airways disease
- ERheumatoid lung nodules
- FPulmonary hypertension with normal lung parenchyma
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