The Following Image Shows the Subject's Tidal Volume Plotted Against

question 9

Multiple Choice

The following image shows the subject's tidal volume plotted against the maximal flow-volume loop during exercise: Which of the following clinical conditions is most consistent with these findings?

• A) Variable intrathoracic obstruction
• B) Chronic obstructive pulmonary disease
• C) Pulmonary fibrosis
• D) Variable extrathoracic obstruction

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