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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hte neaptti sah saobetss cwihh si sereitvtrci cul(e aws ullpare De qlCsLap)Ou si reddasece ni ioncahia-rtrct dnsconioit rnil(stiietta nlgu dz etc) dna rmoaln on ettaharcc-xrio noisciotnd cusra(lmu is)suse

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usmlecharserssss how E1FF/CVV si onlamr i tncona gte atht +4

sammyj98 I thkni ihst si dtradnas for iecttviesrr gnul eas.ssedi In svuorbttice the awyiras alspocel rduign iaitpoernx so 'tsi adhr to eiperx, utb srt'hee a glno drawn uto edn to aoeprtiin as llteti by tiletl it csasp,ee ndgeali to a ecardeesd F.CFEV1V/ In iertrtcsevi 'stp utjs e'tarn ebla ot oevm and nxepad rtieh unsgl nhe,uog os enwh yteh rxpeei sti' of a sllma o,vlmeu btu ether 'tnsi yna seolacpl vdive.nlo sI't eilk a onarlm neoitrpxai ustj wiht a rditercset veou,ml gnakmi teh VF1E/CVF mn.lora +

spow sachrermsssu@essl In titrerisevc glun eisdsesa, the irtao is treehi aromln ro eenrcdia.s +4

drzed nAd the esnoar yhw V1FE/VFC is htreie rmlnao ro ercsnidea ni tsiercivrte ulng seaidse si rvye :lespim the E1VF nad FCV hbto eceaerds euaebsc uyo aer seinrrgittc foil,war btu eth VFC lilw deasreec MERO naht the ,F1EV dan hust ceubsea eht inodemtorna si glr,aer the icornatf ehreit stysa om,alrn ro inesceras nlCotlgihta syrts stih to tucrietsbov ungl deaeiss wehre uoy veah na ubcstoitorn to ria ,FOWL .g.e het 1EVF ilwl edreecsa erom ahtn hte FV,C ilagden to a olw itrao by itdefnoi +7

llamastep1 To dda to htaw @reddz d,asi iifrossb seacsu iarlda arctnito on the aawiyrs efroeehtr icesaningr VF/.VF1EC resThe a Uwrldo q on it +1

ankigravity nAd tsuj to add ot whta s@alat1mlep ad,is rilada nratitoc si teh teveirla reocf drteexe on teh yrsaaiw yb eth ileristttain e.utsssi It is sdncaerie ni froictbi isdtnionoc due ot einsgnt fo the usseit dna escraeedd in cidtinoson ahtt yrotsde ro creedu rhetgtsn fo iseatliittrn e.ssitu +

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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30 ysear ucotrcsnotni rr,ekwo u,oasnniitl id,hlibusgnpi uglpim?bn iAi fotnebssess rpoiyiatsnr lrcecska = rierettcsvi ngul tieaiedrseabsall raamcphlney p,istoecai LRRAEITCU ntearpt = myprluona fbisisro anpttre no LXLCRE RAPU LSQAPUE = Ceryhr on o,pt erxta o,nif osesAis.bts

lAl fo tsih nstipo to a recetiirvts ngul eiaesds twih na ANITTISEITRL t.anrtep enEv fi you ntd'di gte istbes,aoss tub tedrudonos ttha sthi hoipocgalt pcosser is itrcetsveir ni netr,au uoy acn teg eht rgtih ste fo csghena no PFT. hsTi si a opilothagc eniialtritts ds,iesea tno ashmyaitne raivsg ro iolp,o os OCDL lwil creede.sa IF ihst aws shnyeamita vg,sria dna it asked rfo hte mase est of fdninigs oyru OCLD WUDLO BE ARLN,OM yrou Aolvrale litarear rdiengta oulwd eb on!r!mal

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+0 upvote downvote
submitted by docred123(9)

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Aer lal tetilaetcitrrsnieivr/ist nugl esdaessi niiaivtdce fo a WLO O?LCD

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nlkrueger lyno fi it's na itisielnttra lung seesdia i .evleeib kile lpoio nac acuse a cts"eriitevr glun seis"dae tbu ti's deu ot cmslue orffte dan uowld pexcet to see a eecrsdae ni ugifdfnsi ctypacia A(F 0281 pg 2675.) +6

meningitis cCitnnorouts weror,k uesDiff iurtreacl eitasoicp ecasdrem ivesircettr adn wlo CLOD ofr m.e nygtAinh ahtt tieerh adsd fsbisrio ot o,evilal ro nsitkehc hte ermaietd newtbee aloveli and laaolrve alcarilsepi lliw cesau low .DOLC +10

305charlie94 Aylulcta oilpo si eon of the riettvsirce lgnu asedssei that eahv a noralm sgunfifid iytacapc rfo oncarb dxoenmoi (FA 9210 61p6.) +1

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