NBME 22 Decreases the luminal permeability to Na+ in the collecting duct (NBME Answers)

Retired NBME 22 Answers

nbme22/Block 1/Question#4 (reveal difficulty score)
A 48-year-old man begins furosemide therapy ...
Decreases the luminal permeability to Na+ in the collecting duct 🔍 / 📺 / 🌳 / 📖
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submitted by ∗hello(429)

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onroeactiSnlpo adn epeonelnre ear pinpstmrsg-uosaia rdeiictsuc that tbiihin the /KNa aP.sTeA a/NK PaTsAe si no eht sreaaatllbo nmreebm.a oNen of teh nsaewr schieoc tfi ihtw .stih

iirAloedm and etrrntameie rea laso pasnmts-guaopisri .diesrticu heT shcnmeiam si to ocblk aENC ehnclnas no eht imlaunl ema,bnmre tihs si ceoich ."B"

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submitted by ∗j000(17)

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tlosnonpaorice dan lneneerope era oolsedrneat eproectr itatgaonsn ythe( kcblo eht fefect fo teladeosonr yb noligkbc eth atbasarlleo /NKa aTPAse ,ppum) isth is not eht aems ngith sa bnlgicok a eoraasbtlla +K en.anchl heyT lobck and resecaed eht spaistoum .dontcncuoi Terhe si no leabrltoaas +K ahlnnec

fi hte ()A were to yas eredcs"ea +K counciodtn in onctigecll d"uct ttah mgthi be retcorc

so )(B si orectr.c Trrneaeitm dna eroiladim olckb N+a lnnhcae no pcalia (nuamlli )sied dei,s sedrcaee elyeirpmatbi of Na+

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+1 upvote downvote
submitted by biliarytree220(13)

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dhlSuo seu a uaipsms-gsiponrta rticedui AF( .5)91 irmeTreaent and maolreiid krwo by ognlikcb ECaN chsna.nel

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+1 upvote downvote
submitted by just_1more(1)

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I ogt that it deende ot be a samuostpi psganri cdi.rutie Is eehtr a onarse ti antcon be na eldaoseonrt ians?gontat I ehcso lksboc ltebaaorlas K+ cahnnles as teehs ecdarsee eht lrbateoalsa AaNsKTe+//+Pa eesuabc hte rgowndi fo the reoccrt nrasew did ont kaem sseen ot em -- sisagmnu yeth eewr oggin ofr na NCaE rlckbeo dn(a taht adeedrsec illunma yiepamtlbier siaetnidc ttah +aN duwlo be inirganme ni eht unelm, ton gmninirea ni het ilncrappi llec sa I lioialngry h.)gttohu

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luckeroo I ihtkn eth osrena st’i a i-napotuapgrmsssi trdicuie trehra than an draletoonse agastoitnn ash lses to do ihwt why het aselonredot ntgaostnai ntanoc be dues dna rmeo to od thiw the tcaf htat a s-riagpinusstpoma ituedirc wodul eb remo fo a il-snt”“fier utcidenvaj tireiudc ttmetrn.ea +2

luckeroo As orf teh waresn c,cihoe astpumios sgirpan uiitcersd aceveih terih vrlealo delarao-enstinto teffec yb tepmtcvoyeiil hnbiiignit otorenslaed tocrersep no eth eitstaitinlr iesd dc(ensigrae teh PAN/T-aseKa fcfeet fo tshgiunn Na toin hte l,b)ood ebythre cniregdase eth retading rof usimdo ot erent teh elcl fmro teh laulnmi eptc,as bnloikgc CN.aE +10

yotsubato ehTre si no cush igtnh sa Baaorea"llst K lh"nCean ehrte si noly lalaartoesb doSuim isaPtousm Pumsp hhcwi rae llocneodrt by seretd.naolo A F pg 375 +11

nwinkelmann yabsuo@tot L...OL. why i'tndd I iktnh fo it htat wath?! (yb eth wy,a that LLO is fro ).me The nloy ealarslatob K nechlna is hte ponnher s(baed no eth istrf dai ecr)piut si in hte kthci sianngedc blmi fo teh olpo fo hlee.n +1

hello lotrncepinaoSo nad neeolepner era ippssngas-oartumi crdtuiices htat niiitbh the aKN/ PTAa,se os mI' tno ersu waht lc@orueko si rifrgneer .ot pSreonictnoalo dan enalepenor rea obht AOLD Natg atins.Kas/no sPTeaA si fonud no eht osllarbetaa eb.rmnaem eNno fo eth narwse eicocsh fit itwh irie ds.hltoAmi dan nrmiereaett rae sloa igsaiapunm-opsstr eicurt;ids hitre ismanechm si ot colbk CNEa ehnlnsca on eht llnmaui rbmmeena, tsih si oceihc B."" +2

rxfit rmoF ntuaKgz Bdoar v:Rweie "ncoopnlaSoiret nad leneeropen era odtseir eriitadvesv and tca sa phraogcocimal otinstasang fo esneoordtal ni eht tlcenoglic .blesuut By iocbingnm ithw nda nlbkgico teh lleicrarunalt elosotdrean ot,prreec eseht grdsu ueerdc het ossxreepin of nesge ahtt ecdo rof teh ithlpleiea smduio ion nenhlac aC()EN nad N+a+K/ eATP.as Aolimdire dna erentrtemai cta by cglnokib eth NaEC duimos senhanlc ugre(iF –55).1 eTesh( dgrus do tno kclbo aNI naslnhce in exbcaelit n.)measmebr eSpritlnooanco dna peroelnnee ahve owsl teonss dna ofestfs fo cainot 2–47(2 h.) rAdeloiim dna eatinrertme vahe ursdioatn of aotnci fo 42–21 ".h So btho gKis-rnpa epusytbs are ahclteinylc otrc.rec +1

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submitted by volleyboy119(1)

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It o'ntsed raemtt hchwi auns-pimtipsragos idiutcer yuo u.es You acn slilt tge to this rwen.sa tsneloreoAd rmnlylao esepuuargtl KaN/ AsPaeT ni the pincriapl lcsel of eth CD, saeredecd Na+ rlutilear,cynall which laesd to ncsriadee CNEa .iyctaivt oeeptcenlooneoanrSlpe/rni iwll iitihbn iths toruelanugip fo ,NCaE iedlgan ot sercedead bymaeieptrli to N+a ni eht C.D

Ovb oeadriilm nda erriatneetm liwl clokb clparinpi ecll a.ENC sIt' lal in het aesm acsls so tehy wlli all dale ot this tceffe ):

AF 2190 pg 753

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+1 upvote downvote
submitted by ∗usmle11a(102)

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ioatclrnoepson ctas sa na solnoedtear nnsatatigo ichhw manes direecasng +aN ieiabrtmlepy

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j000 i inkth hytre'e igrrrnefe to rimtetrenea and miao,ilred nto sliancertonpoo on rcosalitepon 'ndotes lalacyut decrease +aN imbapleiyrte +1

jackie_chan 0@00j tI oestdn tm,eart orips nda eiariol/memieettdarrn vhae a nomomc feecft of snmgies iwth snoAlNat.eoeErdC auepguletrs C,aNE prios doluw inbihit atht so in fftece wudlo ecdesare laumlin meebiparlyti ot Na ni cudt due ot wfeer NaEC ne;halncs enmieattrer udwlo cbkol eth hnnlcea i,yctrlde sema .eef ftc.ua/umh///pthssteemg_is.oaiitspww._akhcpntropatedimntuprdeduurlik:ep/bdi +1

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