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NBME 21 Answers

nbme21/Block 2/Question#21 (49.9 difficulty score)
A 35-year-old woman undergoes flexible ...
Superior to the superior concha🔍
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 +10  upvote downvote
submitted by haliburton(191),
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knli to ncotroa iargdam

yotsubato  How is that NOT posterior to middle concha? bad question +6  
sympathetikey  @yotsubato - That would have been if it was the spehnoid sinus (I got it wrong too btw) +2  
niboonsh  this is a good video if u need a visual https://www.youtube.com/watch?v=mf7rY1VNy70 +3  
sahusema  Sphenoethmoidal RECESS not sphenoethmoidal SINUS +3  



sahusema  that video was sick +  



 +3  upvote downvote
submitted by hungrybox(767),

A: Anterior to the nasolacrimal duct → angular artery* pic1 pic2

B: Distal to the vestibule → respiratory region/nasal airway proper pic

C: Inferior to the hiatus semilunaris → uncinate process pic

D: Posterior to the middle concha → sphenoid sinus pic

E: Proximal to the fusion of the hard and soft palate → horizontal plate (of palatine bone) pic

F: Superior to the superior concha → sphenoethmoidal recess pic


*I was really conflicted on what this could be referring to. Ultimately, I thought angular artery aligned the best with being anterior to the nasolacrimal duct, but I'm not 100% sure.

other things I considered: maxillary bone, inferior concha




As an IMG comes from a non-english country, I hate this kind of question :(