nbme 7 q

[liamjb]

an old patient who has non productive cough and exertional dysnea. xray flattened diaphragm, cardiac silhouette lenghtened and narrowed? what is the changes in his respiratory airway?
ca in walls, increase secretions, tracheal stenosis??? kindly explain. thanks

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[thehundredthone]

It's the option you didn't mention.
B. Distension of air spaces distal to terminal bronchi.

It's a case of emphysema, the Xray shows hyperinflation. It would be better if you listed all the options in a question you weren't able to answer, to prevent unnecessary confusion.

 

[liamjb]

thanks. i truly appreciate it. due to copyright issues i did not put all the choices.