NBME 21 Answers : Block 1 : #36 = A 51-year-old woman comes to the physician ...

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NBME 21 Answers ↦

nbme21/Block 1/Question#36 (55.3 difficulty score)
A 51-year-old woman comes to the physician ...
Area labeled 'B' (Parietal cell)🔍
tags:

+13 upvote downvote
submitted by h0odtime(42),

Gastrin released by G Cells pyloric antrum, duodenum, stomach stimulates parietal cells to secrete HCl.
Parietal Cells (Fundus + Cardia) epithelial cells that secrete HCl and intrinsic factor. They activate gastric chief cells to secrete digestive enzymes.
Gastric Chief Cells (Mucosa): releases pepsinogen and chymosin

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lovebug THX for kindful Lables! +

+7 upvote downvote
submitted by mcl(512),

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sTih emaig is yrve fehplul.

seagull http://www.siumed.edu/~dking2/erg/GI178b.htm Another histology slide with labels +1

masonkingcobra I like to think that the parietal cells look like "fried eggs" classically +

+5 upvote downvote
submitted by seagull(1101),

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ntehroA ooithylsg dilse hitw sbllae a fwe csodens oga

enbeemee what are the other labeled structures? i can discern the parietal and chief cells, but not really the others... +1

hyperfukus yea wth is A +1

+0 upvote downvote
submitted by enbeemee(13),

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hwat ear eth eohrt elebald rtrtcssueu? i acn eicnsdr eth arpetlai dna ifhec c,slle utb nto eht r.sh.o.te

hyperfukus what is A? +

et-tu-bromocriptine According to this source, they're mucous neck cells (secrete acidic fluid containing mucin); compare this with mucus produced by surface mucous cells, which is alkaline. http://www.siumed.edu/~dking2/erg/GI082b.htm +2

hyperfukus i gosh i see now! thanks so much :) so if it's Pink=Parietal but not granules got it thank you :) +