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Retired NBME 19 Answers

nbme19/Block 2/Question#41 (reveal difficulty score)
During an experiment, instillation lipid in ...
Gallbladder contraction ๐Ÿ” / ๐Ÿ“บ / ๐ŸŒณ / ๐Ÿ“–
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submitted by โˆ—lovebug(62)
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It's CCK.

FA 2019 P.365

CCK is secreted from I cells (duodenum, jejunum) by fatty acid, amino acid.

main functions of CCK are 1. inc pancreatic secretion 2. inc gallbladder contraction 3. inc gastric emptying 4. sphincter of Oddi relaxation

Acts on neural muscarinic pathways to cause pancreatic secretion. (not endocrine stimulation) -> R/o (C)

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fatboyslim  ^CORRECTION: CCK DECREASES gastric emptying. Thank you for the post though. +



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