NBME 23 80% (NBME Answers)

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Retired NBME 23 Answers

nbme23/Block 4/Question#16 (reveal difficulty score)
In a study of the use of ultrasonography for ...
80% 🔍 / 📺 / 🌳 / 📖
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submitted by ∗yb_26(316)

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bmoalnra stet lruest esnam ahtt etts tdteces caercn gt=;&

35 of 05 enm hitw espaottr cecnra aehv aonmbalr sett letrsu ;=tg& n of tps thiw nrceca = .50 seTt wshso reccna in 35 nem =tg&; =5T3P t=g;& we nac etcclaaul NF = 355-0 = 15
20 fo 100 nme tiothwu satproet ecarcn veah roalnbma sett lsrtseu =&;gt PF 2=0 t;&=g ew can uealtccla NT = 20=001-80
onw we can lcecaulta ipeyiitsccf = TT/(P)FNN+ = /10008 = .80 (in % illw eb )%80

ereh is ym 44/ ebalt: [ 2ssotrno/bc/oel/pu/ncl3i/u/trwe/otn_t.crim1ettbfpesmswha/dwd_mect.tmuoiw3m:_mqses]

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smc213 cyltaEx athw I !ddi +

smc213 I oedggol teh emainng fo lboamrna tste sseutrl tjus to akme srue. A itvseoip etst is eno ni wchih hte estrlu of eht stte is alramnbo; a tgveanie sett si eno ni chhiw hte sts'te urestl is omanrl. +4

This guy on youtube does a killer job on explaining all these problems. Just does problem after problem on 2x2 tables and a few other topics. The link to part 1 is added, part two you can find on the side panel I'm sure. Part 1

+1/- paulkarr(73)

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submitted by ∗meningitis(644)

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eTh uqsitone is gufniocsn aeuesbc a UTER SPVETIOI tste suerlt si iifgdnn tecgnietd nrcaec yb SU soge( to swho yuo ew atogt oolk at ahtw eht ttse is lgnkoio f)o.r

nA OMRNBAAL tset edetnitgc aPrC emans sti TON A :OIPVEITS e:i 35 tou fo 05 erwe Fsela vsePoisti

An MNARLOAB estt TTOHWIU PCra aemns sit ONT A :NGEVTEIA 20 uot fo 001 UIHOTWT CPar rewe LAFSE IAEGNTV.E

NT = ,80 FP = ctfi15ecyp :iSi. +F/NTP);(TN 01+58)8/(0 = d 4nA.8% neics ti yass t"esb seepr"esrtn hetn %48 si soctles ot %8.0

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submitted by ∗lfsuarez(160)

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02 of hte 010 mne utihwto rttpaseo aercnc evha alronmab stte ure.lsst

eciicpfSyti = PTP+NF/F = 20/100 = .08 = 8%0

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seagull osa.mtl 20 00 /11 = 8%3 holgryu %80 +

amirmullick3 otN eurs wath slfzraue and uallsge vbaeo mn.ae eeHr is ym eiif.pocextpt iynSlincaa = T.P(F+NN/)T hTsi etts evga 20 lfaes oipstveis tou fo 001 pe,lpoe and nyol 51 etur avestigen tuo fo 50 ceite.fmpyiSci n osla eulsqa e-a1P,Ftr dan rehe eth FP eatr eessm 0%2 so %=80000.1-2%% +4

yb_26 mlbarano ttes seutrl nsema tp sah acnrce T t&g=P; = 53, FN = 51 5-,()503 2,F=0P NT 8=0 -(200)01 gt;=& esipitciyfc = N+P(/FTTN) = 800/01 = .80 in( % ilwl be 8uer 0%)t gvitseean era 08 tuo of 10,0 ton 15 out of 05 +2

bulgaine fI yuo erpacel teh aelvus rfmo the tqosienu in eht abelt fo aepg 572 of FA ,0192 26by_ eaianplnoxt is rcre.tco manborlA test = tpatnei sha enccar = stte eo +nuiQts asys 355/0 emn tiwh sepaottr rcacne (os all 05 have racne)c ylon 35 vaeh lbomnraa test sule,tsr ngnamie ttah TP3=5 eesd(isa + ttse )+ nad FN= 15 ssde(eia + etts - eausceb ythe od ehav eanrcc tub hte tset swa tno bmornala for hemt .) 00012/ enm itouhwt aeostptr nccrea avhe alrmboan test strleus nniemga all 001 TODN veah raencc ubt 02 oshw ttah eyth ehva neacrc henw sti tno ture so =0PF2 esd(esai - test )+ adn TN =08 iadeses( - tste )- +

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