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NBME 24 Answers

nbme24/Block 2/Question#26 (reveal difficulty score)
A 35-year-old man is brought to the emergency ...
Catecholamine-mediated intracellular shifts of K+ 🔍 / 📺 / 🌳
tags: alcohol electrolytes 

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 +22 
submitted by kentuckyfan(47),
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Sicen the ianp si ,rudiralca a dcsi rainihteno is stom ll.ikey


 +13 
submitted by poormedstudent(13),
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I aws rtniyg ot uegrif tou woh rae the acoelhnsmciate ecaus the K sifht iont het eclsl. I was tno sngiee teh neninctoco ta fryris namtllo. ni lod EMNBs and Uwrlod ss-ueqnoti Inusinl is isuagcn +K ot renet the llces. h nte I breemmer egnsei eht ystcekh ndab acmp nda ni the far ihrgt of eth etchks heret si 2B oanavictti = aebt 2 uatb or .isemtn.hog aawnbaey yt 2 si ufodn no crtnaepica atbe snl,chaiasmeeo atclcl taitecav tabe 2 no patciacenr ateb elcls chwhi liwl sceau lsniinu ot eb dare.eels ilnusni aereldse sausce K ot eb vdiern nsieid het e,lslc iuagnsc eth oealikhpmay

fse:ceneerr

A-F 1920 gp 382 tBea 2 -t;-&g erinceas ni snnluii sraleee adn cearenis lruellac K+ tpeuk.a

-Landi .S tzo'nssaCo ygiylpoosh itageemt:x hwnogsi isluinn adn abet isgtnoa viginrd K+ tino hte csell

cassdawg  A00F22 0p95 ilsst lla eht fstfu that sacues rfdetinfe somaitusp hitfss +2  
syoung07  hsTi si corctre tub a lot gigno n.o oaelstChneicam clteryid uatestmli K/aN tpeaas tjus kile ilunisn ods.e +3  
ih8payingfordis  AF 0219 pg 587 +1  



 +10 
submitted by rolubui(17),
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)1 olhlcoA hwawitadrl gt-&;- eseiurz

)2 iueSzre ;g-t&- ceidrensa lsraeee fo aheneasmoticcl (hb/tms5nb8vw.i.t460/wc3:np.2gi.menu//pldowh,) loas BP of 0/08101 csiaiedtn hgih evlesl fo cimelonasehatc

3) Maorj eoonhrsm hatt thfis +K lllyaalrecnritu aer snuniil a± ere-nbar2geia-ctd inotassg .g.(e pihrennpeie (issn.t//0k/0mghugswwi.gicpplcdnlifdiu1/c1e2eh8naatip./u..oweltnc:i67)

4) Aslo teyh era iakgns ywh eumsr +K is l,wo TNO yhw unire +K is high

osler_weber_rendu  onPti )4 voabe epslh you LUER UTO ESCLMU W.NRKEADOB tI lliw uaecs iitnila .lameaiherkpy kmyep,aioHal if at all hppesan ewkes rleta ni TNA. +3  
hungrybox  asnhkT rof ilnaixnegp ywh t'si nto scemlu dkeb.orwna Wsa suckt on ttah eo.n +  



 +6 
submitted by paszw0red(16),
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imneeEdic :ysas iurmiDle rsetmne ()DTs si het tosm rseeev frmo of altoneh td,ahwirawl ameseitfdn yb eldtera meltna tatsus lalb(go noco)snuif dna aittscmhyep oedivverr tniao(omuc ,pyvri)iteytach wichh can gprserso ot ruvalrasccoaid sepaclo.l

slAo fr.e l.aob/uu.pta/ovans/:t5it0hsah.gacsimnt/i.phanbpi

I aesusm the tpintea ash rmluiDee rem,ntes hda a reu,iesz nda won si ihervpyeestn csebaeu of het yea"spithct rodvver"ie, htwi ecesxs rncieseto fo mlecoacnih,tesa stuh het khaamyepio.l




 +5 
submitted by medstruggle(20),
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aCn moeseon aenipxl ywh sode ihts tipaten heav elhomp?kaiay

colonelred_  hiaoslneCamtec taaevtci eht /NKa ,pump cihwh iwll irdve K deniis. +11  
trazabone  Rdea nloeni htat lacnhcamtesaei are dearlese fliowlogn ocnit noclci .rieesuzs siedBes tt,ha BP fo 0080/11 uldco inctdiae ahtt sainmahctoecle are gciiltuac.rn +1  
fulminant_life  hTsi amemihsnc si yhw igivgn bulotrael orf prhaaemleiyk sokwr +10  
nbmehelp  hWy eosd hsit uyg veha ienarceds tscmehaacilone oth +  
johnson  iHs SNS vtitiayc si ylsruoeis snreecida ;-gt&- nsaiercde maotasilcn.ehec +1  
nbmehelp  yWh si hsi SNS ciyavitt acres?dien sI the PB lialytler eht ylno hti?n +  
youssefa  lochlAo ialtahrdww eectras a -heypr achaoeicmegictlrn ttsae + zreSesiu od atht sa el.wl +5  
water  My sbte gseus is taht haalwrwdti supt het odyb in a eastt of ssters a(sem fro seuz)eirs dan hwti ssestr you haev eselear fo netloccmhieaa chwih 'llew ees ni eht PB dna hte ahiaeplmk.oy +3  



 +2 
submitted by fallot4logy(11),
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in het horte ndha , riune isoptsmua si ighh ugneoh , os fi eizrssue sygtr;&hlybaooims=d g=;&t argoinmioyubl =&;gt ATN g;=&t ihgh uspmtisoa irxtceoen , hwy ?tno

krewfoo99  Teru ubt haompeykali duolw ucorc in eht croeevyr e.spha oS sekwe ertaf eht tgiicinn phse.a +1  
therealslimshady  uetcA shsyroiboymdal dolwu eadl ot r,aeemyplaihk ont ya,akhilompe bcsueea ellsc aer epcakd thwi K+ +  



 +0 
submitted by fleurmuxlin(0),
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shiT mebay ot etla orf oyaenn btu eerh aws my tainr of guhhtot thaoma iclCeen :1. eessarinc niulins aeeelrs -g;&t- ulg nad K liwl enret lcls.e igsuCan ekaompahlyi ni hte mapsal 2. nCa rtigrge het atbe 1 eetcorrp nugasic eth eleraes fo Rng-&;tine-- tAinnsoenig 2 n(ac eb iinrttgnoucb / uascing an rnaescie ni t&;-PB)g- oeeorlntasd ;--t&g uoy twaes K in the ne.riu




 +0 
submitted by mari17(2),
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• hTis attinpe thwi ohcllao awar lmwhtodsit lliyke ade lcevupdeeot kple iemaoadyuh ot der-rraic-teasalet ssgetrenedb vtiphryate,cyi hicwh acsuse taiuosspm ot sitfh rclaleri•ln.y tlua eeevrS cohysgilipo sssret e,(g odrylcmaia nr,aictoinf ehda jyu)rni elturss in ignicastinf nngeoesduo tceelcnahiaom g(,e ,ophenerrnenipi )eiepnrhenip .as eeelr inrpieEenhp tisaceavt tbh2-e ate r,certpeo aldngei to eersdcnai tacviyit fo hte opsuustmodiasi-m TAesaP pump and eht utlehou-ioaimidr2s-s-cmodsp r,epcanttroros boht of ctorahtshpnr iw osupismat ynelllrariu.lac t gneerriAcd cyvatiit laso sttlusmiea het elaerse fo iun,nlsi hihwc hutrerf oertspmo riunllrtaceal autsspmoi ii.h sntgf

ureS:oc ROUWDL




 +0 
submitted by bubblegum21(1),

Alcohol withdrawal - - > increased catecholamines - - > increased insulin (via B2) - - > cellular uptake of K+ - - > hypokalemia




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