Restrictive Lung Disease USMLE Step 1 Practice Question
A 67 year old man comes to the clinic because of 18 months of progressive shortness of breath and dry cough. He has never smoked and has no known occupational exposures. Examination shows bibasilar end inspiratory crackles and digital clubbing. High resolution CT of the chest shows subpleural reticular opacities and honeycombing at the lung bases. Which of the following is the most likely diagnosis?
Answer choices
- AAsbestosis
- BIdiopathic pulmonary fibrosisCorrect answer
- CSarcoidosis
- DHypersensitivity pneumonitis
- EPulmonary embolism
- FCryptogenic organizing pneumonia (COP)
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