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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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owlF tRea = ecVtilyo x cor-CenisltaoSs erAa

2 c2m^ x 20 cmces/ x 06 ci/nsme x 1 100/L0, 3^cm = .24 L/nim

1,000 cm^3 = 1 L

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seagull  ,ellW I sesmid htis e.on I 'otnd vnee elef bad. +78
link981  @cnopkyaemy a lalms otp,y 001 mc^3 = 1 L ton 30m00^1c. 0 001 3=Lm^ 1 L +1
hello  amyop@kncye how ddi uyo edti uyor aliogirn tnomecm ot ixf ruoy ytop? +1
winelover777  tPtyer eurs anycyoepkm@ saw cerotcr. 1 L = 1000 m^c3. hOisweetr teh sanerw lowud be 4.2 +4
drdoom  1 tenetimrce si a sdne.tcai (A )i.nle +1
drdoom  If we tllmiypu a lnei by rnthaoe el,in ew etg a urfecas ae.ar A( eecpi of p.r)pae +1
drdoom  fI we lpmyuilt eth eicep of rppea by rhneoat le,in we teg uovm.le (A bceu. A o)bx. +1
drdoom  fI we illf the obx hwit a l,ifud we wlli vahe 1 mL of htis idful. +1
drdoom  fI ew avhe a dnsotuha of these esxb,o ew evha 1 L of diflu. +1
drdoom  1,ooo Lm = 1 eLtri = 1oo,o reimcntete³ +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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'veI enver enbe oodg ta tnrgieocnv ustni :( llo os dah ot aks ym brh.oter He ltdo em t:tah

nitecasd × ndeacsit = ntaecisd2 = arae

na,d

tdasienc × dstaniec × cnatieds = citdsena2 × iascdtne = dcinstae3 = oelvum

totGa lvoe cipulb locsoh rfo enrve nbee tutgah hatt ... esgeh b(svyoulio 'vIe endo eht otqsaineu dna fsuft, just evenr bene dlot it htat hta/aytw ilesmp r)o.ebef nngiKwo atth meska ingrigfu uto teh uniqotae umhc eas:eri

oFlw erat = ioycevtl × SCA = 20 c/cesm × c2m2 = mc403sec/

To crvtoen ot /Limn, tusj ilt:pumly

mc403es/c × 60 iec/mns × /1L,010m0c3 = 0420 00/1L,0 nim = 2.4 Lm/ni

pHoe tihs dhpeel!

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impostersyndromel1000  to lal ym upbilc ohlcos peeps tuo eehtr ad(n nto teh icen ilpcub scsoloh ni rhic aes,ra hte rela lbicup .lo.ss)hc.o we aemd !it +4
angelaq11  flhkyaTlun I was autght who to retnocv siu,tn btu let me ltle you tath I swa SO tlso on tshi oe.n 'tsI ESELUSS to wnko owh ot do ti if you (,I I aemn )I 'dnot konw teh admn mrolfau xD. vuboOliys ogt siht neo wgn,or tub is't ogod ot wnok htta fi it vree cemso up niaga (adn I nwko it tw'n)o I ealydra knwo it. +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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,ghU ror,sy iggntet sdue ot hte gttiao,nfrm adn eadyllitnacc etsopd ti ni hte wrngo .pacle

w,ayAsny ot etr,aieret I aswaly ustj lkoo ta het ns.tiu It asnwt m/inL, Im' vegni m2c^ nad esc/mc

So I pmli,yltu ot egt lmovue uot of ti ,cm^)3( enth tronecv ondcses ot nmsuti.e

sh,uT si't laiaslcby 2x,x62 ni esom aspeh ro omfr raeft nipgcal teh salmecdi yaplaorr.pptie ooGd ihgtn ehyt idtnd' dad tath ltcauapirr elwk,nri Ill' eatk ym lmeirdea mtha sliskl and bug u,to a...ahh

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 +1  upvote downvote
submitted by googaga(2)
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Ttesing sgettin 21.3 This is a tets ospt ot see fi isnthg un arcsm lbe by ypngit a .oecnmmt ksh.Tan

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drdoom  i eterscp tsih ttetapm but i ndto' iknth it rwoks thta awy +2


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 +0  upvote downvote
submitted by ∗usmleboy(19)
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hsTi otiseunq aws on my CAMT adn I gluhdae wnhe I asw it.

hngsTi ouy aveg ot nok:w ^3cm = Lm , nteh ohw to nrtvcoe nutsi.

2cm^2 x 20 ecsmc/ = 03m^c4 / sec = 40 mL / ces

From rehe sujt otrvecn 40 Lm / ces ot L / imn

40 mL / ecs x 1 L / 0001 mL x 60 sec / 1 metnui = .24 L / mni

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 -1  upvote downvote
submitted by ∗kernicterusthefrog(139)
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utJs in aesc htat lvoley ttelli uteoqani deiovrpd by yyce@paomkn nsta'w qeuti ohueng for ouy, 'rhsee a kinl ot a meor meolpect aotlpnanxei by nhaK mAde.ayc elpedH ,me henw I kdoleo ta het qneoutai adn isa,d ?aawhaa

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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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