Step I Please Help- Mefv

[MissMedicine]

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Ok there is a question on Qbank that I dont understand.. maybe its bc its getting late but their explanation doesnt make sense to me... can someone explain in stupid terms, thanks 😉

its a MEFV curve and it asks at which point does airway collapse limit MEFV... and the answer is D--halfway point on the descending portion of the graph.

I really appreciate it!

 

[imtiaz]

i got this question too and i figured it was because the flow rate is still high at the peak so the airways aren't collapsed yet, but when it starts going down they are. *shrug*