Pneumologia SBPT Practice Questions - Título De Especialista Em Pneumologia E Tisiologia (Sociedade Brasileira De Pneumologia E Tisiologia AMB) Exam

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A 62-year-old heavy smoker with severe COPD undergoes whole-body plethysmography. The report demonstrates: TLC = 135% of predicted, FVC = 62% of predicted, RV = 210% of predicted, and RV/TLC ratio = 58% (normal upper limit 35%). How are these plethysmographic volume abnormalities correctly categorized?

Pulmonary hyperinflation combined with severe air trapping. Isolated air trapping without pulmonary hyperinflation. Mixed restrictive-obstructive ventilatory defect. Pseudonormalization of lung volumes secondary to chest wall restriction.

Correct Answer:

Pulmonary hyperinflation combined with severe air trapping.

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