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Retired NBME 21 Answers

nbme21/Block 4/Question#13 (reveal difficulty score)
A 4-month-old boy is diagnosed with a rare ...
Dilated rough endoplasmic reticulum ๐Ÿ” / ๐Ÿ“บ / ๐ŸŒณ / ๐Ÿ“–
tags: biochem repeat

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 +5  upvote downvote
submitted by โˆ—sklawpirt(34)
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I nitkh eht deia hree si pymlis htta neo dlouhs kniht btuao eherw lvescise ear onigcm fmro on iethr yaw to eht oilgg x.emlopc

"Two ssetp rfaodrw adn eno spet b."akc ecylalcfipS eht tqnueios mya be irnergref ot a arer iaifaarncocl sdeidr.or na eassnwaser fo ahtt aiedses is tno ycanr.sees ahWt is ryecssaen si nisudgtnrdane het iorgin mfor erwhe esislevc rae kdcfetria to teh oGigl aps.ruatpa

PICO teironp si denede ot ocat lsseevc mfor the RRE to nsed ot gol.ig husT, iwht a antmouit ni ttah epo,tnri eht aaepgkdc isronept ttha ohdlus bble off and eb nset ot hte igo,lg niadtse autcumlace in het RRE nad tiadle i.t sThu teh wane.rs

h11.S/0f7wle2g6p-lm:2/dofc.00/9)/tc/w34p-st(0j2hd9ap2.w

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hayayah  .gp 74 no FA otg eht odog vi!salus +6
notadoctor  II*POC iotespnr rae ddneee ot otca slcseevi rmfo eht RER ot g.loiG TO"oC)Iw(IP etssp d;rrofwa eIoCP)n(O etps Aaoe a td rb.r keg"nc gseo RRE -> iGgol -> roytrmeoesocsLSes/y ieseslVc >- saPaml mrbemnea +27
titanesxvi  yhw tno slmla ?lmyssooes +5
varunmehru  dna I ogtuthh gelar eossmyols deu ot lack of emezsny to edrgdea +1
samsam3711  The szei of hte lososmye is not adefftce yb hte eencsrep or ebnacse fo p,tornei but tis finonuct is irompomdces ge.( ortnipe is neiggtt ukcst ni the )RER +2
fattyacid  I hoep shit plshe ot remewovh wsa tslo lkie elulmN mo:tiunta A otmniatu a( nc)egha in a eeng taht dlesa ot ist otn ebngi nracbisetrd ntoi NRA d/nroa nlttareads oint a luafnctoni tioepnr our.cpdt roF pleme,ax a lnlu ounmatti ni a ngee taht salyluu deencso a iipefccs ezmyne aelsd ot eht irndooutcp fo a nnafocilnount ezenym ro no ymeezn ta la.l +3
pingra  I nthki ouy eamd a t:ypo PICIO (ERR gt;&- oc;iliGs-g) COPI gigosl-n(tar t-&g; ocsggiil- adn -ogsiligc -;g&t ,)RRE ncirlhat eitsnyodcso( nda islg-atnrog -;g&t ly)emssoo +2
kevin  oS ym ghuttho srocpse saw if eehrt is no PCO iglnas thne tndesia fo gingo to igGlo it udwlo be tsne tsyraa tnio aptlmsyoc, inka ot woh in llI-ec xD eth yeemnsz tge stne tou of the llec encis erteh si on kiirtafgfcn sngial (ertreohfe I eduerspm ergal omesyosl eud ot tneagi het reaedgatgg p)to.rien reA we inysag tuhoiwt POC ro Cilarhnt atth eht ceisevl ilwl msyilp stay tup hrwee ti ?si If I nca tge a epyrl eefobr my emxa (2 se)wek 'adtth be mcuh tpaeaerdipc +2

"Swelling of the ER" = Myocardial ischemia from cessation of coronary blood flow describes a stepwise process of cellular injury. One of the first manifestations of cardiomyocyte injury is swelling of the cell and its organelles, which occurs as the intracellular accumulation of sodium leads to an alteration in the osmotic gradient. If blood flow is not restored, apoptosis eventually occurs.



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submitted by โˆ—abhishek021196(119)
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OCIPI eslevsi:c ERR ot OP ColgGIi lescis:ve gliGo to hER rtRiClna : olgiG to lCel Mmeearnb

aGetr gdamria ot ferre - /tj.s106.m1ec/nc7/-g00ocl-0fs.et6p.980mt0hr15/xsg/ndo6p04-t2sni2aea-:S

If yoanbyd wtsna to ees lryguho teh mnaes fo isasedse PIOIC mniuaott aucsse

e/cainmc?ocoitnetctptctraxopnlbgd:r=ce.iw2nis/map15nga.;ce7tsvdtite.e/e=t.stohvielutr&iae/

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