NBME 20 Failure of the Na+–K+ pump (NBME Answers)

Retired NBME 20 Answers

nbme20/Block 4/Question#28 (reveal difficulty score)
A 78-year-old man dies of chronic congestive ...
Failure of the Na+–K+ pump 🔍 / 📺 / 🌳 / 📖
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+11 upvote downvote
submitted by ∗nwinkelmann(366)

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iThs ilesnpax it rllaye lewl tihw a rcu:peit shlm2ofpw0./l:ssa./m/hdsidlttip.othw/aittue/hoyeAAltam1tla./glwnP.

yHdipcro hengac = eno of eth yrael ngsis of aelcrllu oannegdeiert ni pseonres ot rniyju htta srluets ni uiutlacancom of ewtar ni het .llce iyHmsp/aiioaxhec asdle to seceaed ni eicbora ptainorrsie in het ncoiiarmotdh dna scrdeaede PAT utroicpdon ued ot ialruef fo eht NK++/a eTAasP nielgad to N+a nda earwt finfdiuos toin eth clel. nivduidalI utuelb lsecl eppara slelnwo adn "epmty" thiw almtos ulocddec u,menl orsgllumeu si ehclepruy.lral

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dickass sti' cibysalal rfom mapaoth herptca :1 lrellcua uijnyr usasec slwnlgie +7

md_caffeiner akscsid@ oyu yhw nrtea oyu no ervey q e?mst +2

mangotango od you emna "agniusc rulefai fo hte Na++/K P"TAase aseindt fo "deu ot fliuera of K+a+/N ...aT"ePAs ? eTh wol PTA si ude ot cde oeracib t,pairnoisre I i.elebev +2

fatboyslim a@tMnnoaggo eys xycalte. KNa/ PTsAae ssopt roikngw ued to teh cakl fo P.TA I hknit neklanwimnn xmeid it pu +1

+7 upvote downvote
submitted by ∗xxabi(293)

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Slifn otlewe gh ,o.dc(yhlpg. rlec ei ossimeidentc hia)ait sgueee→nr: erPeusAT ceacrd toponidd KAeese →TaPaarN +/ dcdnedsa+ pCua+pm2 y→usfcio f adt ntiofvii aN ad+n wtaer hneto it →cell slranclliegwlleu

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endochondral1 acn msnoeeo xnipeal owh ot cssro uto teh horte egstc&icoh; +1

endochondral1 thwa si yhpocrdi tdaiegonenr adn erhew od i ealnr atobu ti? yhw si it ton eht sols fo alsamp nrmameeb yngtit?eir +1

shaeking nndEalochd1o,r I hda eth msae tqensoui. I tedri nigugrfi it tou and hits si hwat I amec up htwi. eTh CFH nad toeiocsngn of hte lgsun is nceiugdr teh tnmaou of nyoxeg tggtnie ot the enlra .escll Whti oxyhpai ethre is dseeaedrc bcaeroi erps in amirctooinhd htwi rdsdcaeee PT.A ttWhoiu eAPaTs aN slbuid pu adn awret olfsolw. As rfa sa het lsos of emnbmare itenr.gyit I tiknh ti doluw uasec caulrell tnierudcost nto stju rohidycp ahecn.gs Thsi is ym estb ugse.s +2

charcot_bouchard ambnreMe eamdga si erirvibeelsr tgsae fo clalleur nuy.irj if ermemanb si gaeaddm ecll is dgyni a&;pm it lliw hi.krsn or toyllat ydretsode yb tt.maiymi falnehon ear cpyfililecsa ikgnas ypdchrio sgneach ei lauclrel .lwelgnsi wchhi is hte s1t ngsi of sereebrivl elcl injruy ude ot rauelfi fo KNa/ pmup +2

winelover777 nrdodlcnah@1oe hrCtpae 1 fo ah.tmoPa osAl AF 1209 70p2 dscresbie prchdioy aegeinedortn tuthowi siayng hteso ecxat owsrd ni hte rfsit eulbtl nrdue vlbieserer lecl jr.nyui +1

+0 upvote downvote
submitted by ∗qfever(67)

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aaPohtm 1802 itieond aegp crt4he pa 1 - ulClealr jyunIr - III. Reebservil pma;& elisrevrbrie acrelull jrynui - B.1.

I adh diufiytflc tinryg to rifegu otu hatw hpdircoy hcagen mnsea t.u.hohg.

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bharatpillai i sawer ev'i neod hte esma nosqitue foreeb on uowrdl/ noe fo eht erupvsoi EBMsN dan eht rewsan to that swa llucrtailrane aC miuccunoal.at +2

mangotango latiaabrhi@pl tasht' aslo !ture ceD TAP ;&t;tg&g ced tyctivai of aC+2 adn N+K/+a uppsm ;tgg&;&t lruaellc wlsilnge etris(lea pocghliomro taseontaimifn of rbeeevirls llce ni,yr)ju oacnrdmtoliih lsweignl --- AF, gp K+0a/72 +N sTAeaP bnitdiihe t;;gtg&& icn lnclaalreuirt Na+ &;&ttg;g ecd ticyvita fo +/CaNa+32 ehxcngae pmup &tg;;&tg icn clirarnualetl +2aC --- siht si eht asme wya indixog rwsko in teh haet!r +1

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submitted by andremosq(9)

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etQusnoi obuta clullear iyjr:nu

Hopicryd hcagen anems enilgls.w eat Pitn ahs a ichpxyo nhgcea to.o

eRsbiveerl lcle unjriy: eceDrsea PTA t-;-g& eecrsDae cvatytii of 2+Ca and /a+NK+ upmp -gtlu-ael&;rcl eswlngil le(sairte iplmchorgoo tni)o,esinafmta anohtmcriloid es.wlginl

02F0A2. agp 702

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