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Retired NBME 23 Answers

nbme23/Block 4/Question#45 (reveal difficulty score)
A 32-year-old man has a diastolic blood ...
Precapillary resistance 🔍 / 📺 / 🌳 / 📖
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 +46  upvote downvote
submitted by ferrero(48)
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A yevr lirsmai iuqsoetn I vahe eesn in nkQasb will ska hyw a petiatn iwht igrht ethar iurflae osde otn dvolepe maede adn het eawrsn si eernsicda ycalimhtp gndaa.ire I tog ihst queitosn grnow gylilroani beecaus I arwenesd lgaon isht lnei fo nogeasirn tub I tkinh in this aesc ti lal ash ot od hwit RHEWE teh xtrea peessrru si onigcm .mfor nI shit eniqusot teh pt has adolsciti npoetyesnrhi so uyo can nhtik uotab the ssrurpee sa cngmio rwar"do"f so iocrtgicsntn layplapirerc nihpertssc cna retvnpe an neeraisc in eprrsuse ni eht liaylcrap b.de wroeeHv for hrigt aetrh aiurefl shit xeart ifldu si gcoimn rmfo het TPEISOPO drteocini wraa(dkcbs omrf eth ightr eatrh) dan itnnrsitcgco pipyrlaracle tpinehcssr can od innhgot o(n stioepop eisd fo rlcpiayal eb)d - the noly way ot vreptne daeem si ot rcniseea almthyipc nagrea.di

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seagull  heT uqesnoti ylceral adle us to ntkih oatbu scOoitm rurpsees yb igatnlk obuta repinot nad rnu.ei I rwdeon owh myna oleepp dues ttha lnie fo iaengrnso liek( ?ysef)lm +20
mousie  raGet ailnoenxat,p I ecsoh thiympalc adeairng orf het emsa rneonsgai lii(asmr Q no ftenrdeif n)kba +9
sympathetikey  My ainosenrg saw hcum erom cstlspiiim (abemy too mpiels) utb ni my din,m iytcloss PB si tdidmeeenr yb cdiraaC ttupuO and acoidsilt BP is itmdereend by tlroseaei.r erefeoTh,r atwh osemc rbeeof hte rpcillaay and usrlgteae sseteiar?cn rloeAeisrt. s'tahT ywh I adsi tath aperyapilrlc- ia.rntsseec +41
cr  eth iman efecnedifr eeenwtb eht 2 scsae si thta ni siht caes eht tnitpae hsa ighh PB +1
link981  So ni ngnkaredreti gunlaaeg het esqionut si ylnseetsail kisagn how ihhg rspeesur ni hte iatlerar eyssmt is NOT mrnttstaied ot eth onsevu syesmt h(iwch si where DMAEE dople.es)v But uoy wnko ehty ahve to dda lal hsti fino to tyr fsneuoc a asicb enilrippc adn akem you encdos essug rsyou.elf Gt(o ti nogrw by het y)aw ueesbca of twah erf@rore idsa fo Qbakn t.isnqusoe +9
hello  @eeorrrf what ear uyo aitgknl uatbo? thcpmlyia aginrdae is het wngro s.wa..ern +1
hello  ko reenv d.nim i tog it. hdra ot neuatndrsd c/b it wsa a big cbkol of t.txe +2
asteroides  I khnit yhte mya eb lkitgna uatob the cmoyenig roncsypaomet eimans:chm om4Nrs=einco.K43hc//n?bhBg/.kngsbwg.fr5vtolnwobw.r5ptiuejeiytft/i:1/pool.//4nIcsdaer"e ailrarte or nvsueo erruseps sola dniceus giemyocn cronoiistnct fo irelaerots dna pplrilyarcae s,eipnrthcs hwihc rsseai aerirlorat scrntsaeei eyhtre(b inimimizgn het israecen in rcliaaylp eusr)sper adn crdeues eth usvlmrocciara csfeuar reaa balveaial ofr fildu xaFhrnegc eo. xlaempe, cabesue crulasva tomsho lscemu in larariet dna aatrreirlo wslal ontratcsc newh eodexsp ot tdeeavle ascaurlniratv ,urpeserss stih ocnymgie rssopnee sereascni ecrplrpliyaa caistsreen nad rocstpet aslicralpei rmof a imocaotnctn seir in ierht rutaacrsnvali pre"sseru. +7
stsfyt  akmse .nsese mssmeoeit ew esu inaoiad)l(CtovsBC + neitovndoial EC(I)A ocbom ot aneacbl the r,euspers nad vepernt eekgaal nad med.ae +

I think they are referring to maintenance of GFR and blood pressure relationships. Ergo the mentioning of the renal function. The precapillary resistance is "glomerular" precapillary resistance, so if that increases then GFR remains the same => prevents leakage of proteins and albumin => less edema.

https://www.youtube.com/watch?v=IRZsniaCfVQ

+2/- peqmd(75)

this is the concept of blood flow autuoregulation at the tissue level in response to increasesd arterial pressure via arteiolar remodeling via smooth muscle hyperplasia ....

+/- msw(4)


 +5  upvote downvote
submitted by staph_aureusxx(9)
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rclyalrieppa sceeaistrn = riedginsbc the rlsairet.eo 'esh got iamnlim prtnioe ni teh rnu;ei nda no i.bmnula the yek was ingyap nnaettiot ot hte odlob r.euprses Puresrse si tgudelare yb eht ecsirtsnae lssvees sa osardb llcas ti which is teh iraterolse aka lripcaarpeyl aniet.csrse

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submitted by notadoctor(175)
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I'ev eenb ahricsegn for my roeusc orf ihts but anct' esme to idnf i.t ewevH,or teh yaw I thtuhgo tbauo it saw thta adeem snhpeap iav eth aacpiilsl.re fI rehte si rcnaeisde senitsaerc aiv the ialecrlppary hscirntesp sa umch dbloo otnwdul' be lbae ot tge tion hte repsllaai.ic Teh odlob dluwo adtisne tge tsudehn avi omasesosnta to het n.ives hsTi itecarl mofr i.sohocoyplvgcmy lpseanix ti a eliltt :ttrebe VC sgiyP:olhoy Tsusie eaEmd nad rlaeGen iecpPnlris fo lTrarcyspnalai Fldui excahnEg

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 +1  upvote downvote
submitted by chagas14(1)
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ybeaM eth ustienoq si nedgila twhi eth copnect of iencomgy trroalerai aisrsovtcntiocno wchhi si a eatnroh aiet-amnde eim.hsmanc Teh erp aralcylip hsitrecpn ccrttona ni eesonrsp to a reias ni B.P I tgo het Q grwno eeubcsa I eidcpk amyhlipct ofw.l hyTe lveo to go for teh twha" e"sel eneemtl of nya iotp.c I atconn infd nay nreaso ywh the cylapmthi toipon dclou eb wrgon /:

cl43K/ooiagBN/r?i.henpsinwts.scwltpb5sv45wmkbc/o./.t=ho/:rnckCeh hte iugfre 41. ehT Mragni fo tafeyS gasntiA Emead aiomrtonF – emadE aefSty tsaocFr

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submitted by adong(144)
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nI tdinadoi ot tawh ash yaledra ebne disa I thkni an irmntapto itopn ni the uoqniste asw aytluorgre tjsnsdemuat ihhwc opntsi emor srdtwoa aroairelrt teniloru.ag

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submitted by usmleaspirant2020(9)
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p19l70e27fisbn33hte/dd0d1u57bee/f2207tn60cu2e/6rfd59ato9c/0cd2.oe0eoc9f:a0d.2tdy

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submitted by ninja3232(11)
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Wh"ne ialtrare errespus sf,all moyiecgn toen si edduecr in l,soitraere sencedgira rtehi ncstriseea to fowl nda iitanmgnani plcylarai rsupeser. eThse sorseniaovtb usggtse that acripllya spesurre amy be edruteagl voer teh asem anrge fo eprssreu nschage eorv hwich oflw si rtleduoguaeta ni a vgine n.goar ed,denI fomr eht not"ilrae:

./:/NnBlco/3/hkis.iw5ons/.vp5ww.thtn4obmgb4K

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submitted by hello(429)
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ywh is asplam cincoto esrsrupe r?owng

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rainlad  I hinkt ist' eacebus ew oludw tecxep ot ees esmo omer /naaitmiubruioanprilrue if eth mlaaps ntcioco prueesrs hda ceaienrsd to msetnpaceo +1



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submitted by ferrero(48)
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A eyrv misilra qsunteoi I ehav nees in kQasbn lliw aks hwy a atnptie ihtw trhig reath ilrfaeu osed otn edvople eaedm adn eht wnersa is cesdenira phcalitym aa.diengr I tgo thsi tounqies rgnow gionryilal ubasece I awnsdree onalg hits lnei of oagesinnr utb I hkitn ni sthi asec it lal sah ot od iwth HWREE hte rxate rspeersu is coimgn f.mro nI tshi qoniteus eth pt ash alcditiso rpensteyohin so yuo anc tinkh baotu eht esesrrpu as icnmgo "awf"dorr os nrntoctiigcs laecpryilrpa thnssecpir can vpreent na rescaine ni uspsreer in teh parcliyla bd.e werHvoe orf ghirt earth auriefl ihst xtera liufd is nciomg rmfo het IPSOEOPT dnreictio wa(kscdbra form het hgtri ethra) and sctgcntriino elyrrlapaipc hnpiscerts cna od ntghoni (no pspteooi idse of llayaprci )dbe - het olyn yaw ot eptrvne deema is to einresca ytlmhicpa gi.aendar

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 -1  upvote downvote
submitted by usmleuser007(464)
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Aorcti saiDolict rPuesser

  • Hhgi TPR = hhgi DP
  • gihH HR = ihhg DP
  • iHhg VS = hghi PD

ricoAt Scoislty ee usPrsr

  • giHh tciClaitytnor = ghhi SP
  • hiHg VS = gihh PS
  • Low eClampocni = gihh SP

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 -1  upvote downvote
submitted by spow(50)
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I laos tnihk atth eth iontp eingb mdea eehr is utaob naem itaelrra surrsepe P)(AM, whhic si ahwt yototgralraeuu ysesmts cltauyal acegnh ebasd on. uBecaes eh ash ecnesidra PMA eud( ot icesaedrn BDP,) the lslpcaeraii lwli cictotrns ot aiinmant sttcnaon rsefolwseurp/ hgturoh teh layiacrpl d.be

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 -3  upvote downvote
submitted by divya(75)
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i 'tdon nkhti yuo ndee to nkiht lla atht mhc.u loko at lal het nspooit dan kthni fo hwat shnapep ehnw thye earic.As ,en B, ,C D dan F lal can seacu ltrsaiiettin ee.tdmauB iiacrnseng iealalpcrpyr csrieaestn dftienyeil s.otn'ed

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drzed  cIdnesera aiclyhmtp ofwl dwulo tno eucsa ltsitietinra meeda. +1
123ojm  but it d'osent say sneei"car "n,i ti jsut says auolye"rtgr ejdsmttunas ".in +1



 -3  upvote downvote
submitted by usmleuser007(464)
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1. oiArtc tscilioDa useesPrr .1 giHh PTR = high DP .2 ghiH RH = high D P 3. hHig SV = ihhg PD .2 toArci tcoSylsi rurePsse .1 ghiH cilnrCtytotia = ghih SP 2. Hhgi SV = ihhg S P .3 wLo lCmniaopec = hgih SP
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yex  oo/McMochiag/ryncpuiiyr/m:lvt.olo2tic0s1sctp/h hisT sphle ohs,wome eth fitsr aptr baotu crlpyliaa uerrs.spe +
usmlelol  s'htat eth pxe r:tpa: Te h aaerevg cipraylal ohrydtistca rpsreseu is rdtdieeenm by tarrliae nda nuvsoe srerspeus A(P dan ,V)P dan yb eth trioa of -osaico-aeltplpytrrp sesrsticnae R.)/V(AR nA iascneer in ireeth ltraeari ro oesuvn prseesru lilw eirnseac lrciaypal pressre;u h,eorwev a ginev hngeac ni AP is ynlo outab o-nthifef sa ffeceivet in gcahning CP sa eth emsa seoltbua eghcna ni P.V Baucsee nvoues cianetssre is reetylaivl wo,l shaecng ni PV era rdeylai ndertaismtt bakc to eth cra,lpliya adn lnsy,eervco secueba lrirtaae nrseiectas si teyelrvail ,hhig hgances in AP ear prooly tinsttrdmae eanmtsorwd ot eht ia.lplaryc +1



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