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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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owFl ateR = Vtoeicyl x silSoCoc-arenst reAa

2 m^c2 x 02 /ccmse x 06 nc/eism x 1 L01,00/ m3^c = 24. Lnmi/

0,100 mc3^ = 1 L

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seagull  llW,e I iesmsd hist en.o I to'dn nvee feel d.ab +78
link981  oyc@aemnypk a lsmla ytpo, 010 m3^c = 1 L tno 0^0m3c0.1 0 001 =m3^L 1 L +1
hello  mkoany@ypec woh ddi yuo teid oyur ornaigli emmtonc to xfi uroy oyp?t +1
winelover777  yttPer ersu oypcaynmek@ wsa ore.rctc 1 L = 0001 m.^c3 Oewetrshi eht nwrsae wdolu eb 24. +4
drdoom  1 eretmtcnie is a ai.cstnde A( ine)l. +1
drdoom  fI ew ltyliump a elni yb atehrno eiln, we get a ecursaf ar.ea A( eepic of app)e.r +1
drdoom  If ew lmiuytlp eht eiecp fo paepr by ranhoet ,elin ew etg .volmue (A c.ube A ).xbo +1
drdoom  If we lfil the oxb thwi a ,dliuf we iwll veah 1 Lm of stih .fluid +1
drdoom  fI ew avhe a oautnshd of sethe sx,obe we evah 1 L of li.udf +1
drdoom  ooo,1 Lm = 1 Letri = ,o1oo ercmetnie³t +1

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

+5/- ribosome01(-3)

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 +6  upvote downvote
submitted by ∗nwinkelmann(366)
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'eIv venre nbee odgo ta ocnevgtinr ntsui :( lol so hda to kas my btr.ehor He otld me ahtt:

dneiatsc × cinedsat = necatsdi2 = aare

dn,a

acnedtis × iesdatnc × asitcnde = ascidten2 × dtsacine = isteacnd3 = uvelom

otGta eolv lcipub olohsc fro vneer neeb atutgh ahtt ... esheg ouobsiyl(v I've oned the qoneituas adn utf,sf jtsu erevn eenb odlt it ttah yattaw/h mipsle eefb).ro iKwgnno atth seakm ngirfgiu otu eth eqitanuo hucm e:eaisr

woFl eatr = tcylevio × SCA = 02 m/csce × m2c2 = 0mc43c/se

To cvntoer ot /,mniL jtus uimy:llpt

04mc3e/cs × 60 nsmiec/ × L/m01,0c103 = 4200 000,/1L nmi = 4.2 mLni/

pHoe thsi eelphd!

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impostersyndromel1000  to lal ym lpubic olhocs eepps tou rethe d(na ont the ncei ciublp shlcoos ni hicr ,resaa het real ilbcup ohso.cs.l). ew maed !it +4
angelaq11  klnfhuylTa I saw tugaht ohw to necrtvo s,tuni ubt tel me ellt uoy tath I was OS olts on siht eon. s'It EESLSSU ot owkn hwo ot do it fi uoy I(, I amne I) ntod' nwok hte anmd umrofla .Dx iuvOsbloy tog htis neo nrow,g tbu s'it odog ot oknw htta if it reev ecmso up igana na(d I kown it t)w'no I elrayad nokw .ti +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)

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 +2  upvote downvote
submitted by seracen(15)
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,hgU sr,yor tngiteg sedu ot teh ,rafntmiotg nad ldlctceaiyna osedpt ti ni the wnogr leapc.

yynw,saA to taeetei,rr I wyaals just loko ta het tuisn. tI swnta i/,nLm 'Im ingev 2m^c adn c/esmc

So I typlul,im to egt uoelvm tuo of it ^(mc),3 hnte nevtorc sscdnoe ot s.nmiteu

Ts,uh tsi' iabcslyla xx6,22 ni emso pashe ro mrfo aeftr nagpicl the eldmcsia reai.rytppalpo Gdoo tgihn hety ni'tdd add taht rartcpaiul nerli,kw l'Il kate ym amdreile ahmt sislkl nda ugb ,uto .aah.h.

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 +1  upvote downvote
submitted by googaga(2)
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ntsiTeg genttis 1.32 iTsh si a ttse tspo to ese fi snhigt un mcsra ebl yb tngpiy a m.tncmeo Tknas.h

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drdoom  i ecpstre hsit mteptat btu i otn'd htnki ti srokw atth way +2


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 +0  upvote downvote
submitted by ∗usmleboy(19)
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hTis tnisoequ aws no my MACT nad I hgauedl wneh I was i.t

nighTs you aegv to ok:nw m^c3 = Lm , then owh to vnoetcr u.ntis

m2c2^ x 20 cmse/c = c4m30^ / ces = 04 mL / sec

From ehre usjt ovcrten 04 Lm / ces ot L / min

04 mL / ces x 1 L / 0100 mL x 60 esc / 1 utneim = .24 L / imn

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 -1  upvote downvote
submitted by ∗kernicterusthefrog(139)
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uJts in sace hatt oeylvl litlet qoenauti iepdrodv yb nmypaeo@yck wasn't iuetq ehugno fro u,oy s'ereh a nikl ot a rmoe opeecmtl otalneipxan yb naKh yeamAd.c elHepd e,m nweh I eoolkd ta hte iaequont nad disa, haa?aaw

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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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