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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 yvre iilmars qnsioetu I ehva seen in bnsQak wlli sak yhw a iatetpn wiht gtrhi taehr iurafel sode otn lepodev aemed nad the weasrn is neiadrces chlaiyptm gaeirand. I tog shit qtnesoiu wnrgo ogyrilalni ueecbsa I sedanrew lgnao shit einl fo narsnogie utb I tnkih ni stih eacs it lal sha to do whti HEWER the raxet rpsesure si inmgco rmo.f In hits oquiestn het pt ahs iadsctoli eyhsetonirpn os uyo can tknhi otaub hte rsspeuer sa mgoinc a"o"rwfdr os stccgiitnnor ayrrpeiclalp ienssrphtc nca vpeetnr na asrneeic in euprrses ni eth pcallairy edb. Heveorw rof hgirt ehatr leuiafr shit axert ldfiu is gcnmoi omfr hte PETIPOSO dicotiren warbskc(da ofmr eth igthr etar)h adn toiinsnctrgc iylaplerrcpa ecnstrspih acn do nihgtno n(o opotepis ides of iaylprcal db)e - het ynol yaw ot npevter maeed si ot sieeracn tihcmyalp .idreanag

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seagull  The stequoin lracyel adel us ot kinth buoat tcosiOm urserpse by ngtiakl outab rientpo and i.rune I enorwd how yanm epeplo edsu ttah einl fo srneoiagn ilek( ?m)sfley +20
mousie  ertaG etxipnna,oal I cesoh tcamlpihy niaredag rof eth asem seirogann iimaslr( Q on eefdirntf bka)n +9
sympathetikey  My renaingos wsa cmhu eorm tcmiislisp mye(ab too )eisplm tbu ni ym ind,m ltosysci PB is netdreiemd yb acdirCa ptOuut nad odasictil PB si drdmenitee by oi.rtselera oeerTh,rfe htwa cemos efreob eth arplylaci nad lateusger ?esaisrtnec Aleit.rorse thsT'a ywh I asdi htat ricpp-lylarae scn.eeratsi +41
cr  teh niam ifdferneec ewtneeb hte 2 sseac si ttah in ihst csea het ntitape has ihgh PB +1
link981  oS in dkrtnereaing ageunagl the esnqoitu si llsynsiteea gaksni hwo ihhg ruesresp in het lreraati ssemyt si NOT smtrtentdai to teh nevous styesm hh(ciw is herew MDEAE )eoevp.sdl uBt ouy nwok heyt have to add lal iths nfio ot ytr osfceun a sicab repiicnlp adn eakm uoy nsdeco esgsu leryuof.s otG( it ngwor yb hte w)ay seuceba fo thaw orr@feer iasd of kbanQ qensio.tsu +9
hello  r@eofrre hwat are uyo inakltg bt?auo lapcyithm ediaagrn is het ngwro a.wsr.en. +1
hello  ko ervne d.mni i got ti. drha to radusentnd cb/ ti swa a bgi kbloc of t.ext +2
asteroides  I kitnh yhte amy eb lnagikt utoab het nymecoig psooanytcemr nam:ihemcs fb.ilw..tpgtc.o3/nti/nrkguKgp54e/c4?=vbyosmoN5h//oooj/s4entwflbernwii.Bhr/:1eIds a"ecnr traalire ro oeunsv euspesrr osla descinu ncoeiymg ioroisttnncc of ileertorsa adn apaelrilyrcp r,spcisnthe chiwh ssriea traarelrio sneiatsecr (yhbeetr mmziiignin teh raeiencs ni rpalicyal r)sspeuer dna dusrcee teh aoavlicrmcrsu frscaue aare abelvliaa for ldfiu cgahoFxe r.ne ap,meexl esaecub alcarvus omosth uscelm ni earailrt adn roalrrtiea walsl tncsatrco ewnh sepedxo ot tevelaed natacurialvrs ,puesrrses itsh eogcnyim psornees sinraseec eiyarrplpalc aneetiscsr dna ptrcteos larplaieisc omfr a amoncctitno seir ni herti riucvalanrtsa espeu.rrs" +7
usmleaspirant2020  f4o++BohwcssdtguoaflllRo//p/la/rathswiagF+nado:2eo/2m4wmw./oct4.perm1pn tish rcutpei sel!ph +3
stsfyt  easmk es.sen eoessmimt we seu nsv)(aaCdlBtoCoii + oetvdnlinoai EIC)(A bmoco to lcaenab het ere,usrps nda tneprve elaakeg adn maeed. +

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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 +5  upvote downvote
submitted by staph_aureusxx(9)
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pclayplearir rtnsseeaic = gsincrbied the reeloti.ras es'h otg nimailm ornetip in teh uen;ir and no ln.iambu the eyk wsa inyagp einotantt ot the blood seepr.rsu rPresues is lrdgeaute by teh caierssten lessvse as osrabd clasl ti chiwh si eht eotrleairs aak raylrppiclea ensitsacre.

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 +3  upvote downvote
submitted by ∗notadoctor(175)
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v'Ie bnee gcneirsah fro ym oesurc for shit but nat'c eems to fdni it. ee,Hrovw het awy I thotghu buato ti aws that eedam eaphsnp vai eth aelarlsi.icp If rtehe si rneeicsad tisasrecen vai eht arprlyealcpi iesncthpsr as uhmc oobdl 'ouwltdn eb lbae ot egt iton hte elisalrpc.ia hTe dobol wolud deisnat gte udehsnt vai ssaeosntoam to eht vin.es Tish tcielar mfor gmpolvshiyc.ooyc sxeipaln ti a teltli b:tteer VC yhPioogy:ls esusiT dEema dan eaerlGn lsiniecrpP of paTyinraalslrc Fdilu gcnaExhe

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 +1  upvote downvote
submitted by chagas14(1)
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beMya the inqouset is leangdi thwi eht oecnpct of oncyegmi iolratrrea sotcatrivinnocso hwcih si a trenaoh -etndaiaem ahicmsnem. ehT per prcylliaa iesnrtcph ntrcotac in psoeners ot a eiasr ni P.B I gto the Q owrng bceeasu I idpcke ilaycmthp .wflo yehT levo to go for eth tw"ha l"ese emltnee of yan tic.po I tnanoc fdni yna rnosae why eht lactpyhim tpinoo lcodu eb gworn /:

o/titt.rhc/kc5w5wgl.Kss4ieNplaoinnvoos3b/psn/.hc?w4mr/.b=B:ehkcC the iferug 4.1 heT garinM of etaySf igsAnta daemE omiaoFtrn – Eemad yatfSe tcoFrsa

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 +0  upvote downvote
submitted by ∗adong(144)
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In tdinioda to hwta sha yrleaad been isda I hknti an mttprnioa ponti in eht oiuqtsen asw ugrearolyt mjduaetssnt cihwh tpnsoi omre osdratw iarrteolra eltn.auiogr

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submitted by usmleaspirant2020(9)
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t02facio3ds/n6o:32/l2duehcordfd2uf7e0c9079pe.99dy0febeb0t.2/0/7a605den15t7d21cte

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submitted by ninja3232(11)
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nWe"h elarrati rsrseepu lfsal, nygeciom oent is ueedcrd in ,rirseloaet cgdaereins ethir eirsatcesn ot fowl nda angintmniia yiplacral prsue.esr eeshT oistesanvobr sesgutg atth cayrpalil puressre mya be ldaeertug reov hte eams engra fo rpesseur nhgscae rveo wichh flwo si loautrduteaeg ni a eignv gran.o ,Iendde form het ia:"etroln

gnvmw/scb.t.4o3nh4iw5n//lB:sopihNkwK/.b.5/to

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submitted by ∗hello(429)
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wyh si almpas iooncct usrrseep ong?rw

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rainlad  I hnkit tis' ecbaues we uldow eepxtc to see esmo emor almrrouireubuinntiaip/a fi hte sapmla ticoocn suserper dah sanrieedc to opneatmesc +1


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submitted by ∗ferrero(48)
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A evry lrisiam euqtoisn I aehv esen in nbkQas liwl kas yhw a apitnte twhi rhitg herat iaflreu soed tno dvopeel meead nda the esarwn si cnsdraeei pchitmaly rdgaia.ne I otg tsih instqeuo wgonr yangilrilo usebcea I waensrde nogla shit nlie fo grisaonen ubt I ikhnt in isht esac ti all sha to do whit WREHE het rxtea seserpur si igmocn .ofmr In isth ueqinots teh tp sha cltosiida iheeonptrysn os uyo cna khitn abtou teh ressepur sa cignom "roafrd"w os niccigttonsr lraiacplyper ihesntpsrc nac tevrnpe na rienaecs in psesrure in hte acpyilrla dbe. ewerovH fro ihrgt ehrat failreu tihs tarex iflud is miognc rfmo eth SIPPTOEO riedtonci bdaasw(kcr orfm hte ihtrg rae)th dna rncstigocnti eayiaplpcrlr tsipnhersc anc do ingthno on( potsoepi sdei of aiarlplyc d)eb - het loyn way to nepterv emdea si ot icenresa alpiyctmh regaia.dn

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submitted by ∗usmleuser007(464)
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rAicot iciDlatso r sePsuer

  • ihgH PRT = hhgi DP
  • ihgH RH = hghi PD
  • igHh SV = ihhg PD

ictAor Sicosylt er rusPse

  • hgHi rytlatoiitcCn = ihgh SP
  • hgHi SV = hhgi PS
  • oLw aipoCclemn = ihhg PS

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submitted by ∗spow(50)
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I aosl ikthn htat teh tnpio eibgn dema eher si tboua eman realaitr supreser ,PM)A( wihhc is thaw ategroutaruoyl tsmesys cyaltula ngaceh sadbe o.n Bseuaec he sha cndiaeser PAM d(ue to ceisndrae ),PDB eth esiaalpilcr llwi rttoccisn to nniiatma tntaocns peosrrwesf/lu hgourht teh rplcaaily .bde

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submitted by ∗divya(75)
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i t'don kniht uoy dnee ot intkh lal thta uc.mh kolo at lal eth insoopt nad think of hwta sppenah nhwe eyth se ieArca.n, ,B C, D adn F lla anc asuce tilitniraste m.adutB ee sigaennrci lpcpleaiarry eancsriest elintdfeyi dtesno'.

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drzed  Ieseadncr achitplym lowf udwol otn caesu inresitattil deea.m +1
123ojm  but it od'tnes asy reasice"n ,"ni ti ujst ayss uyl"atogrer nmtsetjasdu "ni. +1


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submitted by ∗usmleuser007(464)
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.1 Aoicrt cltosaDii Pserseur .1 Hhig PTR = hghi DP 2. ihHg HR = gihh PD .3 gHih VS = hhgi PD 2 . cAotri litosycS srPuseer 1. gHih tiarlntioctyC = ighh PS .2 gHhi VS = ighh P S 3. oLw pnmeolaiCc = hhgi SP
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yex  cglsrol2thinoc/h/yotiat.cc/pii/yo1ovcp:us0rmMM Tshi lhspe oow,smhe the sitfr tapr btoua lriaclayp rss.eurpe +
usmlelol  s'thta het xpe patr:: ehT eraaevg ycaaprlil tyhciodstar srepsreu si dintemdere yb trlaraie dan nvouse peresrssu PA( adn PV), dna by het aoirt fo aptt-oiysc-orrpllpae cnreesssiat /)V(RRA. nA enarsice in eriteh aertrlai or evsnou prssueer ilwl ncisreae lcipryaal rssperu;e w,horeve a ngiev ngeahc ni PA is olyn otbua hnoet-ffi as vtceffeie in achignng PC sa het maes ulbteosa agchne ni P.V usBceea snuveo rsisacteen is eelytialrv ,wol gsehacn ni PV rea rydeial mtriadttnse back ot teh alrcpal,yi dna ylerv,nsoce sbeucae aeltrrai stsieracne si ylvreetlai g,hih hnesacg in AP aer prlooy seminatdttr dntsmroewa ot teh laciarl.yp +1


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