need help with your account or subscription? click here to email us (or see the contact page)
join telegramNEW! discord
jump to exam page:
search for anything ⋅ score predictor (โ€œpredict me!โ€)

Retired NBME 18 Answers

nbme18/Block 4/Question#16 (reveal difficulty score)
an 83-year-old woman with systemic ...
descending colon ๐Ÿ” / ๐Ÿ“บ / ๐ŸŒณ / ๐Ÿ“–
tags:

 Login (or register) to see more


 +8  upvote downvote
submitted by โˆ—azibird(279)
get full access to all contentpick a username

The IMA comes off the aorta between the renal arteries and bifurcation. The IMA supplies the hindgut, which spans the distal 1/3 of transverse colon to upper portion of anal canal. Compromise of the IMA would lead to decreased blood supply to these structures, of which "Descending colon" is the only answer choice.

get full access to all contentpick a username
hemoglobin_  just to add, the marginal artery of Drummond is the collateral blood supply between SMA and IMA that protects the intestine from ischemia +



 +0  upvote downvote
submitted by notpennysboat(3)
get full access to all contentpick a username

The graft is placed below the renal arteries and above the aortic bifurcation, which contains the IMA. IMA supplies the hindgut (distal 1/3 of transverse colon to to upper portion of the rectum).

FA 2019 pg. 357

get full access to all contentpick a username



Must-See Comments from nbme18

feliperamirez on He is medically qualified to drive
anechakfspb on Tubular atrophy
aneurysmclip on Endothelial nitric oxide synthase production
azibird on 24,25-Dihydroxycholecalciferol
famylife on Increased transcription of HMG-CoA reductase
match95 on Plasmid loss
apurva on Antineoplastic
cbreland on Basement Membranes
match95 on Proximal tubule: isotonic; Macula densa: ...
sugaplum on Abnormal migration of endoderm from the ...
amirmullick3 on Myelofibrosis
merpaperple on Primary spermatocyte
wishmewell on Alpha-synuclein
namira on Greening reaction on blood agar

search for anything NEW!