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NBME 21 Answers

nbme21/Block 4/Question#28 (25.6 difficulty score)
A 56-year-old man undergoes surgical ...
Release of cholecystokinin🔍
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 +8  upvote downvote
submitted by madojo(121),
  • CholecystokinIn is secreted from the I cells of the duodenum and jejunum.
  • Gastrin is released from the G cells of the antrum of the stomach.
  • IF is secreted by the stomach and absorbed in the terminal ileum with B12.
  • Pepsin is secreted from the chief cells of the stomach and plays a role in protein digestion.
  • Secretion of VIP increases intestinal water and electrolyte secretion by acting on the parasympathetic ganglia
nobody  PAGE 365 FA 2019 +1  
mumenrider4ever  FA 2020 pg. 371 +  



 -1  upvote downvote
submitted by hayayah(983),
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hhlutAgo hafl tsehe homsrone nac ytcalual salo be tesdceer form the d,euduonm the neumuodd is coisdaesat the msto hiwt CKC lea.rsee

didelphus  Gastrin, intrinsic factor, and pepsin are secreted by the stomach. VIP is synthesized in neurons, so CCK (from I cells of duodenum) would be most directly affected by a duodenectomy. +21  
teepot123  fa 19 pg 365 +