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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 vyre smiilar ouqtines I ehva nees ni Qbnska llwi ask hwy a iaentpt thiw ihgrt teahr iuaelrf esdo tno olpdeve amdee nad eht snreaw si icseaenrd ltcyimaph gn.riaaed I got tsih qeointus gowrn iygnlalori ucaebes I dnawesre onlag thsi enil fo nirgeason tbu I nkith ni this acse it lla hsa to od hwit EHWRE eth trxea suerprse si gimcno .mfor nI iths tqesinou eht tp ahs lociidsta sotyepirhnen so uyo cna knthi otuba teh eureprss as oincmg drwro"fa" os ntcniiocgsrt aleyrlprcpai tserpscinh can ertpvne na saeenric ni psereurs in het rpilalyac ebd. eoweHrv fro gtrhi heart elafiru isht rteax udifl is gmnoci omfr eth TOSIEPPO icrotedin da(wcsrbka form teh hgitr rh)tea nda gsctniorictn paaeylrrlcpi npssechtir nac od ontghin n(o ipsootep eids of llpryaaic )bde - hte ynol wya ot eentvrp admee is ot nsarciee cmlpthiay a.eranigd

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seagull  The unoeisqt cellayr elad su ot tknhi batou itscmoO sseruepr by glakint btoua otenpir dna .unier I edownr ohw aynm pepeol dseu ttha line fo gnarnieos ik(el )fylsme? +20
mousie  Gerat lna,anteoipx I schoe pcimhtlay dearagin orf eth msae nrinoseag i(mrsial Q no rfdnfitee )ankb +9
sympathetikey  My neaorngsi asw ucmh orme misitclspi myb(ea too l)ipmes tub ni my mdni, sstyiclo PB is ediretdenm by rcdaiaC tpOtuu adn adosctiil BP si dierdtneem by .rlerisetao Teo,freher hawt scemo boreef het praliyalc adn rtueegals aesnestri?c erl.oAseirt s'tTha hwy I asdi tath pricaayl-pelr eiesant.crs +41
cr  hte mian ieeecfrfnd netwbee the 2 assec si hatt in hist csea the etiatpn hsa ghhi PB +1
link981  So in nirdetngrkea uagangel the otinques is tinssealley nisgka owh high spurerse in the leitarar etsyms si NOT metsadntrti to hte useovn sytesm wc(hih si hweer DEAEM )v.peloesd tBu uyo konw tyhe ehva to dda lla tshi iofn to tyr fncoeus a ciasb prplineic adn ekam uyo sdonec gsesu ruylf.eso (oGt it owrgn yb eht w)ya uaescbe fo wtha feer@ror iasd of nkbaQ inqtesu.so +9
hello  feeorrr@ whta rae yuo ligankt toa?ub yptcilhma niagerad si the gwonr w.a.nre.s +1
hello  ko vrene i.ndm i tgo .it hdar ot nertdnadus b/c ti wsa a igb klbco fo xet.t +2
asteroides  I inkth tyeh mya be algtnik oautb hte nygiemco rmnotysopeca icmna:hmes jofvfn/:5ey/r/r.slg5mwpolrNniiotiug4tooti?.4wbBge3//=wc1h/.n4K/nct.hbkbspeo.dna Iescr"e rerlatai or onvuse eprersus aols indcseu ogicnyem csnoitotnrci fo lioeratrse dan alpclerpyrai ntc,prieshs hhwci ierssa rtoeaiarlr eeatsrcnsi (trebyhe miiinnmigz teh csanriee in yalipalrc ursersep) dan eduersc teh clroarvscmaui urefacs aaer baviaelal rof diful rgce ahn.exFo ,xelpmae besaeuc vrcsuaal hotsmo umcles ni erlrtaai and rotiraaerl wllsa tsractonc newh sexodep to laeetvde ralnsicauravt ssueerp,sr htis igemycon esenrpos renaiscse ipyllrrecapa tnsscaerie nda pestcotr ilslecrpaai frmo a tcnanmtcioo eisr ni ehrti anartrsuvlcai rp."reuses +7
usmleaspirant2020  /+o+2lha.nift/n2mBpo/pcolhawwrotRpoogw.mwal4Fe+la4ugs/r4o1:m/asd/tscdef ihts uitrcpe lpshe! +3
stsfyt  emksa e.snse tesmomsie ew esu Bid)lat(viCnaoosC + intonaoldeiv AIC()E bmcoo to calanbe the reuressp, nda epnervt eeaalgk and .emade +

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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praalcyirpel crtsaneise = gnrsieibdc teh st.oieelrra h'se ogt limnami poeinrt ni the unier; dan no lnmi.abu eth kye saw ipagny inotenatt ot eht obdlo e.sesrpur usseerPr is tarueedgl by the cnirtesesa slesevs sa obsrda llasc ti ichwh is the trroaseeli aak carpeylrlpai acssert.ine

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submitted by ∗notadoctor(175)
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vI'e eebn irgcensha ofr my cseruo rfo tshi btu ctan' mese ot ifdn .ti rHve,eow het yaw I gthhtuo bauot it was taht emeda ppanseh iva the ipeailslarc. If herte is csandeeir ensicsrate iav the lpeprycaairl crhnsiespt as uhmc dlobo wtlu'ndo eb eabl to gte oint het esiilc.aalrp The dlobo luwod siaedtn gte deuhsnt vai aoaessmston ot het sive.n siTh aecrlit fomr ihslcyocvmyogpo. xpneilsa it a litlet eebrt:t VC :oyloihPygs essTui emdaE dan enGlera incpsrPeil fo llasTpicnryara ldFui cghxEaen

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 +1  upvote downvote
submitted by chagas14(1)
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Mabye eht qoisteun is idanlge iwht het occnpte of icygenmo orrltreaai vorscoititnnscoa hwcih is a teonrah eadtienm-a sh.mncamie heT per acpalrily iptsncreh rctntaoc ni rssenoep to a saeri in P.B I ogt hte Q ngowr csebaeu I eckdpi ltychiamp ow.fl Tyeh vole ot go rof eht t"hwa "seel leetnem of ayn otpc.i I tncnao fndi yna nrseoa yhw hte ypihltcma itpnoo locdu eb nogrw :/

c=4.ln?iwNKl/ebki5hBm.orocvtopsnst/45/racgi3b/:shpwns../twoC cekh teh uigefr .14 The rngiaM of aetfyS igAstna adeEm Fnamrooti – amEde tfaeSy oacFtrs

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submitted by ∗adong(144)
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In dndaioit to ahwt sah larayed nebe sdia I htkin an mrottianp iontp ni hte uqonstei asw outrgaeryl tstmjauedsn hihcw ntipso mroe oadstrw arreoltria uoanriegtl.

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submitted by usmleaspirant2020(9)
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0t1ed0o2r:du7odp6ebc/.a99ye5dccoe200f2ted/aft.1d/95ef2d230usb/t072h9nefc6073inl7

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submitted by ninja3232(11)
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"nheW lrrtieaa epesusrr sflla, igmyoenc otne is dcdreue in a,irroeltse ersigacden rehit ireesatcsn ot wlfo dna ainimigntna lpiryacla psures.er eeshT rtoonvaissbe tsugesg htta ylplraaci ueesrpsr may eb edglaruet eorv het maes aergn fo eespursr gehcsna roev hichw wlof si ueurgeadottla ni a ngevi r.gnao dnIeed, omfr eth eal":inotr

og/3tc.woh.bt/4w//nwnliBkn54bKs:pmo/.5.hviNs

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submitted by ∗hello(429)
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ywh is mplasa ctonoic eespursr gnr?wo

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rainlad  I nhtki i'ts sbeueac ew dlwuo epcxte to ees emso moer a/irlpbmiuunnratrieuoai fi the mlapas otconic sersrpeu ahd cesdneiar ot tnsapmeoce +1


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submitted by ∗ferrero(48)
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A evyr smailri eoqtinus I heva nsee in skaQnb ilwl ska hwy a piatten hitw gitrh treah eailruf deso not deolepv eedam and het narews is desairnec ampihyctl aaidregn. I otg itsh isoqetnu orngw iglnoayilr ebeusca I edesnawr oagln this elin fo onsegarni btu I htkin ni iths aecs it lla sha ot do hwti EREWH the xeart rsspuere si oimncg rmof. nI hist nsutqioe the tp sah otiiacsdl neehrtopnisy so uoy acn tkhni tuboa het rseprseu as goincm f"o"adrrw os gnctitsorcin elrpplrcaiya ihnsrcpset nca enptrev na eincsera ni esrpresu ni the yrlaiaclp edb. vrHowee rfo thrig atrhe lefuair hsit xtrae fldui is omnigc mofr the PSIEOTPO nedoitirc akcsrw(dab omfr teh thgri ehrat) adn gntcniitsroc lyriecppaalr tcrsisenph nac do tngoihn no( posopiet esid fo pyclralia deb) - hte lnoy ayw to etnrpve deeam is to necaisre hpcyatiml a.aingdre

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submitted by ∗usmleuser007(464)
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toAcri Diiltscoa eerssuPr

  • gihH RPT = hghi DP
  • higH RH = hhig PD
  • Hhgi SV = ghih PD

icoArt otyclsiS uesrPre s

  • ighH otcryltiCatni = ihgh PS
  • hiHg SV = ihgh SP
  • owL noCmcleipa = hhgi PS

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 -1  upvote downvote
submitted by ∗spow(50)
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I asol htkni htta eht potin inebg amed erhe is tbaou mnea aeatirrl reuspers )(,AMP ihhcw is tahw tyueurlaotgaro sssmeyt ytclluaa aenghc abesd .on eesaBcu eh has dcinrsaee PAM d(ue to acsnieder )D,PB the aplricalsie lwli corintcts to aaimnnti ntsctnoa /fserrsluwoep hrugoth eht arcliyapl bed.

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submitted by ∗divya(75)
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i tod'n khint uyo eden ot inhtk lal tath ch.mu ookl at all teh nsoopti and hinkt of tawh spnahpe wenh yeht e,i rAc.anes ,B C, D and F lla acn csuae eailistittnr .Baudee mt siaienrgnc rcaapypelilr sterasicen ifednlteyi .nd'steo

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drzed  saIdrcene aytihmplc ofwl oluwd nto sacue lteisanirtit adeem. +1
123ojm  ubt it no'tsde yas eercina"s ni," it ujts ayss rulagetyor" nsjsuedattm i".n +1


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submitted by ∗usmleuser007(464)
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.1 oirtAc clDstoiai ruPeerss .1 Hihg RTP = ihgh PD .2 iHgh RH = ighh P D .3 iHgh SV = ihgh PD .2 otriAc sycitoSl sursrPee .1 Hgih yoCnlrtitatci = ihgh S P .2 Hhgi SV = ighh PS 3. wLo nemlpaCoci = ghih PS
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yex  0MrMcls1itiuops/ylcoicm/:ngorc2tp/vco.h/ahioyt ishT spelh em,oshow eht srtif atrp ouatb rcaalylip .resesurp +
usmlelol  s'that het pxe pa::tr eT h egareva plcyrlaia yshicotardt reruspes si deindmtere yb etralira dan envuos surrespse (PA dna PV), dna by the raiot fo pcaropes-latl-oripty iarscetness A().VRR/ An aesreinc in rheite ltirraea or uovnes rpessreu illw nraicsee lriaclpya sruepr;es rehowve, a venig hcenag in AP is oynl oatbu eo-tfifhn as eevcfifet in gncghain PC sa het same tbesuola nehgac in PV. Beeucas ounevs ecsrtesina is yteiavrlle w,ol gasnehc ni PV rea yardlei tetdmirastn kcba to teh cryialp,la nad ensleo,vcyr becuaes riratlae trnecsiesa is aelyvetril h,ghi geshacn ni AP are oryolp ttimadsrten nmertsowad to eht a.rcailply +1


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