What shape would be associated with obstructive lung disease on the FEF₅₀% of a flow volume loop?
A) cup-like or scooped out effect
B) straight line
C) sawtooth
D) long, extended outward curve

Question

Quizplus · Accepted Answer

Obstructive lung disease typically results in a cup-like or scooped-out shape on the FEF₅₀% of a flow volume loop due to decreased airflow during expiration. This can be seen with conditions such as chronic obstructive pulmonary disease (COPD) and asthma.

What Shape Would Be Associated with Obstructive Lung Disease on the FEF₅₀