mrcp part 1 MCQ (SBA): Idiopathic Pulmonary Fibrosis

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HardRespiratory MedicineIdiopathic Pulmonary Fibrosismrcp part 1ukmla

A 67-year-old man presents with a 3-month history of progressive breathlessness on exertion and a dry cough. He is an ex-smoker with a 20 pack-year history. Examination reveals bilateral fine inspiratory crackles at the lung bases. A chest X-ray shows bilateral reticular opacities, predominantly in the lower zones. Pulmonary function tests show a restrictive pattern (FVC 60% predicted, FEV1 65% predicted, FEV1/FVC ratio 0.85). What is the most likely diagnosis?

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mrcp part 1 MCQ: Idiopathic Pulmonary Fibrosis — Answer & Explanation