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Retired NBME 22 Answers

nbme22/Block 1/Question#9 (reveal difficulty score)
A 54-year-old man has an aneurysm in the ...
2.4 🔍 / 📺 / 🌳 / 📖
tags: calculation

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 +17  upvote downvote
submitted by ∗keycompany(351)
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oFwl etaR = iyelVcot x -reoclaoSiCsnts rAea

2 2mc^ x 02 s/ecmc x 06 /cmsnie x 1 010L0,/ c^3m = .42 Lnm/i

1,000 c^m3 = 1 L

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seagull  l,leW I iemssd sthi e.no I tdn'o veen feel d.ba +78
link981  @cneypymako a malls otyp, 100 c3^m = 1 L not .m^c03001 0001 =^3Lm 1 L +1
hello  yaknpyo@mec how did uyo idte oyru ginroali moemntc ot ixf uyor ?tpoy +1
winelover777  etyPtr erus aoke@myynpc wsa trroec.c 1 L = 0001 .3^cm hOswretei eht wnersa dlwou eb .42 +4
drdoom  1 rnetmiecte is a ta.eidcns (A .i)len +1
drdoom  If ew tiymllup a enli by onerhat i,lne we egt a arcefsu .aare (A ceiep of .rap)ep +1
drdoom  fI we uilmlytp the eipce of pepar yb aehotrn l,ien we get mvlueo. (A eubc. A )o.bx +1
drdoom  If ew illf hte bxo wthi a ufd,li we will vhae 1 Lm fo stih l.fuid +1
drdoom  fI ew aevh a oantushd of eshet e,xosb we ehva 1 L of uifd.l +1
drdoom  oo1o, Lm = 1 eiLtr = ,1ooo irnmtcet³ee +1

if one still doesn't understand to add on .. 1000 cm^3 = 1000 ml 1000ml = 1 Litre

+5/- ribosome01(-3)


 +6  upvote downvote
submitted by ∗nwinkelmann(366)
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vI'e vneer ebne odgo at vgrencoint nusit (: lol so dah to sak my o.hbterr He ldot me :htat

esincdta × cienadts = sntaecdi2 = aear

nad,

tdacines × dcsatine × scneiatd = nictased2 × atcsnied = stidcnae3 = mulvoe

ttoGa oevl upcilb sloohc ofr vreen bene guhtat ttha ... egseh uo(iblyvos 'Ive endo eth uniaqeost and stffu, sutj erenv nebe odtl ti htat ahwtay/t ipsmel obfe.re) Kwgnnio atth makes iggnufri otu eht uitaeqon humc i:aeres

wolF tear = icveltyo × SAC = 20 /cmecs × 2mc2 = 4cm03/ces

oT tvornce to ,imn/L tujs llpyiut:m

cm403ecs/ × 06 s/nimec × 0/c,110m0L3 = 2040 L10/00, inm = 4.2 mLi/n

epoH sith ehed!pl

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impostersyndromel1000  to lla ym icubpl hcosol eespp tou ehtre nad( not teh ecni ibpclu shclsoo in rich eaa,rs eth aerl lpcubi .s.hscol)o. ew emad i!t +4
angelaq11  hlTlfnykau I wsa athutg how to onecrtv ntui,s tbu lte em ltle you ttah I wsa SO ltso on thsi noe. 'sIt LSSUESE to know ohw to do it fi you (I, I aemn I) no'td konw teh dnma ormfalu .Dx subivOyol tgo ihst oen gornw, btu 'its oogd to wokn atht fi ti ever eomsc pu iaagn (nad I wonk it wton)' I aylread ownk i.t +2

This is all you need for conversions:

1cm3 = 1 ml ... thus 40 cm3 = 40 ml

So to make it faster I would do it like this

40 ml/sec * 60 sec/1min * 1L/1000ml = 2.4 L/min

+3/- majoav1(2)


 +2  upvote downvote
submitted by seracen(15)
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hUg, rsyo,r gttenig seud ot het f,taiogmtnr nad ayicdtcllnae tdpoes ti in eht ngwor .cepal

yn,wAsya to etrae,trei I swyaal tujs okol ta eth isunt. It sntwa im,n/L 'Im vnegi c2^m nda e/scmc

So I l,yptumli ot tge evmuol out of it 3)^,(mc nthe tcnevor nsodsec ot setmui.n

Tsuh, tsi' alcsabyil x22x,6 in some epash or omfr eartf aipcgnl eht msceilda rarpopeaitl.yp odoG hting tyhe dn'dit dad ttha taiaulcprr wr,ilkne lI'l aket my eriealmd ahtm lssilk and gbu u,ot ha.h..a

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 +1  upvote downvote
submitted by googaga(2)
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tieTngs stneigt 2.31 Thsi si a sett stop to ese if tisghn un mcasr ebl yb ptyign a octnm.me hnakT.s

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drdoom  i eerctsp hits atmttep tub i t'dno kinth it srwko htat ayw +2



 +0  upvote downvote
submitted by ∗usmleboy(19)
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shTi osiequtn saw no ym ATCM nad I aughled ewnh I wsa it.

iTnsgh ouy evga ot wokn: ^cm3 = Lm , tnhe woh to ntvocre tnuis.

22^cm x 20 cmse/c = 3c40m^ / cse = 40 mL / esc

morF ehre tsju vteorcn 04 Lm / sec ot L / nim

04 Lm / sec x 1 L / 1000 Lm x 60 esc / 1 tmenui = 2.4 L / nmi

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 -1  upvote downvote
submitted by ∗kernicterusthefrog(139)
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tusJ in sace ttah ellyov itletl tniaoqeu diervpod by nocpakyme@y a'stwn iqtue nohegu rfo ou,y ehe'sr a likn ot a rmoe mecoltpe onnaelptxia yb nhaK c.yAmdea pdleHe e,m whne I eolodk at the iqanueot dan ia,sd aaah?wa

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If, like me, you dislike memorizing formulas, but are okay doing the actual math, I always just look at the units. It wanted L/min, and I had to get it using cm^2 and cm/sec...

Well, I know cm^3 gives volume (L) after bashing out a few conversions, so multiply it is!

Then I know to turn seconds into minutes, so multiply by 60.

Now, at this point, I knew my decimals were off, but still, 4x6 = 24, so it's some version of that. Had they included 24 or .24 as answers, I'd have actually had to pay attention to my conversions.

Anyways, I hope that helps!

+4/- seracen(15)


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