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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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submitted by ferrero(48)
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A reyv salrimi onieutsq I evah seen ni sQabkn liwl sak wyh a tiptnea whti rtigh htera ufearli does ont lvpdeeo demea adn the nwaers is canerdies aitpchlmy eia.argdn I otg isth uetqnsoi wongr yaornllgii aucebes I drnawese galno shit enli fo rogesnnai but I nkiht in isht ecas it lal ahs to od htwi EWEHR teh erxat rrsusepe si icgmno mr.of In sthi nieqsuto eth tp ahs isoidltac yenonhstepri so uyo acn hinkt aubot eht rrspesue sa cgoimn dfo"wrra" so iognticrsnct pclraipreayl trepchnssi acn pveentr na ireanesc ni srspreeu in het piylalacr .dbe Hewrveo for rtigh ehrat eilaurf siht rtaxe lfiud is igocmn orfm eth POTEOSPI tdinocire cwd(aaskbr fomr hte rtihg )aehtr nad gontrntiscci aiycarlleprp tnhispsrce anc do onhntig no( eoiosppt sdie fo iayrpacll eb)d - teh oyln yaw to eptnevr meaed is ot nseecrai tylmahipc igan.dera

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seagull  Teh uiqtonse ceyrall alde su ot ntikh uotba tosimcO sesrruep yb angilkt uobat niptero nad .riune I drweon woh naym loppee duse ttha lien fo isnorenga ilk(e myfl?e)s +20
mousie  aetGr nxenaopta,il I cseoh mlytciaph aardieng rfo teh emas oneirsnga rs(lmiai Q no efernitfd ba)nk +9
sympathetikey  My anoigsern asw hmcu emor cilisiptms bmey(a oto limsep) btu in my mni,d yslisotc PB si edertidenm by daacrCi utpOut dan clidiasot BP si edmtedenir by .aoeeiltsrr roeeTefh,r wtha mseco ofbeer teh apilycarl adn gesalrute setci?ranes rAliereots. T'htsa hwy I sadi ttha -lpaeipalyrcr retas.ciens +41
cr  teh nami fierecnfed teebwen teh 2 seacs si thta ni hsti scea teh iatentp has ghih BP +1
link981  oS ni neerdatikngr laengagu the nteuqsoi is esnlaiyselt ksaign ohw hgih eprerssu ni het ariltaer emytss is NOT teatsrinmtd to eht uvneos stsmey hhwc(i si rhewe DEMAE evoseld.)p tuB ouy onwk htye haev ot dda lla siht nifo ot try coefnus a caisb rpenpcili and akem uoy ndosce seugs .yuseflro tG(o it ngwor by teh ay)w bceuaes fo htaw eeforrr@ sdai fo bakQn eso.utnsqi +9
hello  or@refer thwa rae uoy itlgkan bto?au ctilypamh eidaganr si the gowrn r.a.wne.s +1
hello  ok veren n.mdi i gto ti. hard ot urannstdde cb/ ti swa a ibg lckbo fo tet.x +2
asteroides  I khitn etyh aym eb lgnaitk uoabt the omeyncig rmceoosptany chiemna:ms /ijinctBwh.tocge/s4r=.n/efp.bbi/s5lK/o4mbr3?t/4t.oo/ghnovw:gk5of.ypwleNr1nuie nIsradc"e eiratlra or snuevo srrsepue aosl dneiucs iceygomn ctnciontisro of oeaerritls nad rpaarlylepic eph,nrscist hwhci issrea irlrrtoaae reisnesatc bryte(he inznmmiigi eth nsaeriec in yrlpailac ussr)eerp adn ueesdrc eth ucomrrlcvaisa sufcear aaer lavabeali orf diluf e och.gnareFx lap,xeem aceubes lsucaavr sotmho smuelc in atlreiar dan aitroarler slalw scttocanr wnhe oedspxe to davteeel vasilrcnataur erurspess, tshi mgcioyne prsnseeo ersecsina rllrpeiayacp nrisceates dna etprcots lsreaacpili rmfo a ncaotmnctoi srie in hrtie arrnuscailtav speur"rs.e +7
stsfyt  asemk .ensse seeimmtso ew use ad(vsBi)laoiCtnCo + niitdevooaln CA(IE) cbmoo to abeacln the r,ursseep and ptrvene eaagkle nad e.edma +

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)

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submitted by staph_aureusxx(9)
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alprlycaiper rseacestni = nibgidersc eth ir.otralees sh'e otg imimlna etpnori ni teh inu;re dna on limu.nab het eky wsa aipyng tteinoant ot the ldoob .srserepu rPseseru si ltrgaduee yb hte ntiaceesrs seeslvs as osrbad aclls it hwhci si eth itaesorrle aka piprlelycara erait.scnes

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submitted by notadoctor(175)
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I've ebne csienghar rfo my eoucsr for shit ubt tanc' esem to fnid it. oever,Hw het wya I ohgtuth butoa ti asw ttha admee psaepnh via eth cesiaraip.ll If rteeh is nedracsie tnrsaciese vai eth riacylpplare rtsshenpic sa chmu olbdo twud'lno be abel ot egt tino eht iaisl.pceral The olodb wlodu sadeint egt uhsetnd iav amotssneaso ot eth nies.v Tish caelitr mrfo pcohvgiyomc.oyls ieplanxs it a ltlite ttreeb: CV :lPoyyosgih Tsuies eEamd and rneeGla prieinlcsP of ncTyalalisprar iFudl Eceaxnhg

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submitted by chagas14(1)
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ybaeM hte usetoqni si ngedila ithw teh encpcto of yigomnce lreriatroa orvtanoctnicisso wihch is a enhraot -mdaaentie c.esimhmna heT erp cairpyall irstnpech tncorcat ni nsospere ot a resai in .BP I tgo het Q rgnow ceasebu I ckepid lhcipyamt l.fwo ehTy oevl ot og rfo het a"thw "sele lenmeet fo nya tpioc. I tocann nidf yna ansore hwy eth himpyclat ntoipo docul eb ngwor /:

onosemos/t=rv/s.?niBrg5wK.t.wo:i454///pswbptlicabkcnhch.3lN hckCe het fueirg 14. The aginMr of atefSy iAangst deEma rFtaomnio – mEdae fayteS tFcrsoa

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submitted by adong(144)
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In nditoaid ot thwa ash lyaedar eben dasi I tnhki an imntoptar intop in eht teqniosu was luyrgtreoa asjuetsntdm hhwci noptis moer odtsrwa erariatlro natiluoe.gr

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submitted by usmleaspirant2020(9)
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.700a29ff10dldcito3th/cnrb2.e7e9c0bu96aed20/10e52c2t2/fddfspuo0n5/d3:79e6e7otyed

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submitted by ninja3232(11)
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hen"W itraelar sruepers slaf,l nyogeicm note is erdeudc ni ,ersaiterol seiagerdnc irthe ctsiaeesnr ot wflo and aiamnignnti lprcliyaa ussr.pree sheeT vboositnasre usegstg atht arplyaicl espsrure yma eb tldeaegru oerv teh smea renga of supesrer gchesan oerv ihcwh lfwo is ealeuagodtutr ni a vineg .oanrg dIeden, from het :"neiolatr

t..whn5/.m3KwbihNBwvos4so/5no/:ti.gc/nkblp4/

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submitted by hello(429)
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yhw si alpasm tooncic uperrses ?gwrno

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rainlad  I nihtk ist' esaubce we dluwo teecpx to see osem moer utinlearbruriomia/uapin fi eth msaalp ocoitcn ssurrpee adh rcdaensie ot tecmsopean +1


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submitted by ferrero(48)
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A very sirliam tuiqenso I veha nees in sQkabn will aks ywh a ettaipn wiht ihtgr hetar alrfeui dsoe not oevpedl meaed dna the waesnr si eanceidsr icphyamtl neiad.gar I gto isth nstqeuio ognwr noialriylg easceub I sernaewd nlago shti lnei of aensngoir btu I nikth in hits aecs ti lla ash to do whti WRHEE het aterx ssurpree is ongicm rfo.m nI shti ounsiqet hte pt sah isidactlo sntpyheroeni so you acn nkith butao the spreuers as gcnmio "rfadorw" os sctigirtocnn ceayliaprrpl cinsehpstr nac ntvpeer an esnricea ni persersu ni teh iallacrpy db.e Howerev fro rtgih hater alfieru htsi aetrx fiudl si oncigm rmof eht OOPITSEP oncitdier (ardkwbsca mrof the hrgit at)ehr nda ictogirncstn rpaialypcerl tishnrcsep cna od itghnon n(o stepiopo ieds of pllaaicyr b)ed - eth lnoy wya ot vneertp edame is to ieescarn hatcmlpiy .raaingde

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submitted by usmleuser007(464)
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Atorci oiiDlcast esruePr s

  • ghiH PTR = ghih PD
  • hiHg RH = ighh PD
  • High SV = hgih DP

ticAor ySotlcis ersresPu

  • hgiH ttCtynilracoi = hhgi SP
  • Hghi SV = hgih PS
  • woL pmenolcaiC = gihh PS

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submitted by spow(50)
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I lsao hinkt ahtt eth oitpn benig meda eerh is otbua name tliaraer pursrese ()P,AM chhiw si hwta gtroauyrluoeta ssesmty aayllcut nhgeca edasb no. Bueceas eh has sdaereicn PMA (eud ot sdiarecne B)DP, teh slciiaelarp lliw tncortcis ot niitmaan onasnctt /ersrwepfsoul rotughh eth lpcarliya .ebd

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submitted by divya(75)
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i 'tndo hktin uyo deen ot htnik lla tath m.huc okol ta all eht iooptns dan nktih fo hawt ehapspn nhwe etyh crieA en.a,s ,B ,C D nda F all acn cusea netiiiattlrs de m.Bauet ernaignisc ylrrcpapaile ectrnisase dnyiieleft 'tndeo.s

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drzed  enraIescd playhimct wflo owdlu otn eaucs ileatisttinr .demea +1
123ojm  btu it 'tnosed ays s"ceaiern i,n" ti jtus ssay eol"uytrrag easmdtnsutj i.n" +1


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submitted by usmleuser007(464)
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.1 tAcrio saicitDol sruerseP .1 High PRT = ghih PD 2. higH HR = hihg P D .3 ighH SV = ighh PD 2. Aortic lSsyicto usesrPer 1. iHgh ntiyoictratCl = ighh PS 2. ghiH SV = ghhi SP 3. wLo ecoCailmnp = high SP
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yex  hoirg/l/lmc1oyriiha0nstiotMccpyst/opM./c2cvuo: Tihs helsp o,wmheso eht sftri tpra botua yacilplra r.seuersp +
usmlelol  sh'tat teh pxe :tapr: h Te vaegrea lraylicap csiyotadrth rseeuspr is rdtenemedi yb aliarret and ueovns userpssre PA( adn ),VP nda yb teh aroit fo ortpleiaoayc--slpptr iantersssce /R.VR()A nA icsanere ni itereh lirareat ro sevonu serpuser will rcnaesie llcirapay rseure;ps ew,roveh a ivgen echagn ni PA si oyln obatu efiotnhf- as vecifeetf ni nacgnhig PC as eth esam boeulats hgacne in .PV Buseaec envuos traecnesis is ylvelertia ,wlo ehncgsa ni PV rea eirdaly drttmitanes cabk ot the pc,iyllara and nrlsyc,eveo bcasuee itelraar arestiscen si telreaivly hig,h agnhecs ni PA era rooylp eartsdttimn otmdraswne to the aycarlpl.i +1


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