NBME 23 FEV1/FVC: normal;<br />FVC: decreased;<br />Diffusing capacity of the lung for carbon monoxide: decreased (NBME Answers)

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Retired NBME 23 Answers

nbme23/Block 2/Question#21 (reveal difficulty score)
A 55-year-old man comes to the physician ...
FEV1/FVC: normal;
FVC: decreased;
Diffusing capacity of the lung for carbon monoxide: decreased 🔍 / 📺 / 🌳 / 📖
tags:

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submitted by momof21234(6)

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teh ptatein ahs ssaeobts whhic is icrtetivres (luce asw raluple )apL suqeOCDl si aesderecd in oracct-htnraii dstoonnici tritnais(leit gunl zd )cet and rlnaom no re-oraxtaihtcc dninotscoi mr(cuulsa se)sisu

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usmlecharserssss woh CFVF/E1V is nmlaor i acotnn gte atht +4

sammyj98 I thikn shit is satddnra rof ectrsivirte guln sse.aieds In rsouvetcitb eth siryaaw ocslealp iungrd rtopnixeai so is't drah to xrpei,e utb teehs'r a onlg anwdr uto edn to peiiartno as leltti yb tilelt ti sesep,ca gdlenia ot a esdedacer VF1E/F.CV nI siecrivttre tps' sutj r'ntae ealb to omve dan aednpx ietrh sulgn hn,ogeu os wenh yhet exepir 'tsi of a slmla muvol,e tbu rethe 'tnis ayn poaescll .lvdvneoi I'st ielk a arnolm rneixiptao tusj iwth a tcsrreidet mvelo,u mgnkia the EF1V/FCV on.almr +

spow e@rhlmsrssucssase nI siertveitcr glun ,ssiseeda the oarti si hrteei lnramo ro inaesed.cr +4

drzed And hte renaso yhw FF1VVEC/ si ehteir nrmola ro cersdnaie in icesvrteitr lngu sieeads si eyrv mspel:i eht VFE1 dna FCV bhto cedserea bseecau you rea etcinrsitgr ariflow, btu eht CVF wlil earecsed MERO naht het ,FE1V adn hstu eebcasu eht idonrntmoae is g,larer eht rcafoitn ehteri tyssa rmnloa, ro esniecars iC trllgshatotyns sthi ot erbitustcov lnug seiedsa herwe oyu hvea na bocuittsnro ot ria WFLO, ..ge hte E1VF lilw aeerdcse rmeo htna the V,CF dlgenia ot a olw toria by diitnofe +7

llamastep1 To add ot htaw er@dzd d,ais fbrsiios suceas irdlaa oitnrtac no het yiswaar rhoereetf rnecasigin VC1VE.F/F eserTh a dwlUro q no it +1

ankigravity ndA utsj ot dad to what 1a@msaptell isd,a laadir tacitorn si eht ievartel cfero eerdxte on eth yarisaw by het tlisrtntiiea ssts.eui It is dcnaeesri ni biotfcri ntdiscoion ude to nsngeti of hte utsise nda srdeeadce in nnoicdtsoi taht detryos ro credue grtsehnt fo tnsatiietirl s.etsui +

FEV1/FVC is normal because even though FVC decreases, FEV1 also decreases proportionately. There for the FEV1/FVC would be normal if both values decrease.

+2/- mdmikek89(6)

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+1 upvote downvote
submitted by ∗imgdoc(183)

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03 sarye oocstncrutin ,rwreko ltsainnio,u ,piiindguhbsl gubln?pmi s stsofisbAenei piarnrtoisy craesclk = sitrvrectei lung ietabliraea sslde aarynlcephm sipteioca, CTULAREIR pettanr = lnoymurpa sirsfobi prntate no LLCERPR UXA UPEQALS = ehyrrC no p,ot etaxr io,fn isbsAeso.st

lAl fo siht psinot to a iectvsrerti unlg eeiadss itwh na TITELSIIRANT nratt.ep vneE fi uoy ddnti' gte ,tisoesabss utb oonsdutrde hatt this oitohlpcga scrsepo si rietcvriest in ,ranuet uoy anc gte hte rihtg est of ahcsnge no TF.P hisT is a gtiochalpo atrnlittsiei aessdie, nto setihnamya gavsir ro poi,ol os OLDC wlil eecarsed. IF hist wsa nteysmhiaa iv,asgr nad ti kades fro het aems ets of sdingnfi your CDLO OWLDU EB MANLO,R rouy rolAavle raelitra eitngrad uldwo be rlo!anm!

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+0 upvote downvote
submitted by docred123(9)

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Are all rrtlstvinicistateeti/ire nugl essdesia advtneiiic of a WOL ?OLDC

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nlkrueger loyn if 'sti an altriiinestt gunl iesdesa i eievl.eb ikel opilo nac cusae a tir"vicetrse lnug iasesd"e tbu it's ude ot lusecm toffre and owdlu epxect to ese a ecdraees in uffisgnid patyciac A(F 0218 pg 72)6.5 +6

meningitis ttoiucnrsnCo rr,kowe ffuDies etlcarriu pseticiao damcrsee citrvitsere nad wlo COLD ofr m.e Annyhigt atth riteeh dasd oifbirss ot lio,leva or estcihkn eth eaeridtm neetweb lalovie nad rolvalea eaicapilslr illw ucaes wlo DLC.O +10

305charlie94 ucyalAlt polio si eon of the rsetitecrvi lung sieesasd ttha vaeh a romnla fsdgfniiu ptaaiycc rof ocarbn dooixmen (FA 9102 6p.61) +1

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