OMSB Physician Exam Practice Questions - OMSB Licensing Examination - Physician (CBT Via Prometric) Exam

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A 65-year-old smoker presents with progressive exertional dyspnoea and chronic productive cough. Spirometry shows a post-bronchodilator FEV1/FVC ratio of 0.62 with FEV1 of 55% predicted. Which finding best confirms the diagnosis of chronic obstructive pulmonary disease?

FEV1/FVC ratio below 0.70 that is not fully reversible Reduced total lung capacity Restrictive pattern with preserved FEV1/FVC Greater than 12% reversibility of FEV1 after bronchodilator

Correct Answer:

FEV1/FVC ratio below 0.70 that is not fully reversible

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