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Retired NBME 21 Answers

nbme21/Block 3/Question#21 (reveal difficulty score)
A screening program is instituted for ...
10% 🔍 / 📺 / 🌳 / 📖
tags: biostats

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 +20  upvote downvote
submitted by drdoom(1206)
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05,02 suentstd ... ubt ouy nfdi otu unrgdi ryuo iatiinl secnre ttha 050 deyrala vaeh the ss.deeai S,o ktsetuori tohes l.ppeeo hTta saleve 0020, nutstesd ohw ’tnod heva teh ssae.ide

vOer het esrcou of 1 ey,ar uyo eovcidrs 020 tsdutnes oevpeledd eht .innfitcoe shTu:

020 ewn scaes / ,0002 eplpeo hwo dn’itd hvae eht adssiee hnwe uoy esatrtd rouy dstuy = 01 enpcert

Tykir,c ctyirk NEBM ...

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sympathetikey  A,h I e.es haTkn oyu! +
niboonsh  Im dam at woh peimls isht uesiqtno talylauc si +7
sahusema  ineecdcIn is asemduer omfr tsoeh TA SKRI. Poeple iwth eht eeaidss rea tno densrcideo to eb at is.kr So 5020 - 500 = 2000 poeple tkrais-. Of sohte 200,0 wtihni oen ayer 020 opdeevl eht eaisdse. oS 0022/000 fo het ikrat-s ltopnuiapo ledpeov the eadsei.s /000202 = 01% = nccdineie +3
daddyusmle  ufck mi edtrrdea +2
skonys  sMtu eb lrFaodi eStat iys..rtv.eUin. +
l0ud_minority  Wtah if tehy gto damahyicl aagni owh udlow stih cganhe het ?rsemunb +



 +10  upvote downvote
submitted by drdoom(1206)
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o’Dnt eogtrf hatt cniiednce si hte uerbmn of new saces hhciw eergem in an ecneftudaf auptloopni. idnIncece si rnityg to egt ta hte tuneiqso t&-;g “In a negvi yar,e ohw anmy enw eoplep eoldpve htis esisad”e?

In hotre odws,r you cnatno ntuoc peepol woh deyraal veha teh sieaesd. ouY vahe ot elxudce shteo epelpo fmro oyur uaaintc.olcl uYo tawn to ow,nk monag lla hte opepel tou terhe who DO NTO vhea teh seedias, woh ynma eistm itsh yaer saw emoneso ne()lyw deoians?gd

Sadi rfelytdfien lts,li yuo dton’ ntaw ot “ou”bdou-nlcte popeel hwo vdpeledeo the dsaseie febroe oyru .dytus sA na opmeloigdt,isei hatt lwuod wserc pu royu seens fo hwo ienfteciv ro itmairsblssne a seaedis i.s You wnta ot n,wko fro“m teim1 to eitm2 woh yanm nwe aecss ”emedg?er

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questioneverything  You duwlo conut eht atlto sirk lo.op amaldhiCy si tno a honrcic asesied so ouy uwdol terat setho 005 ppeeol nad ehty lodwu tnreur to the iskr l.poo +2
drdoom  uBt oyu uwodl sirft eahv ot emrntdiee htat htye ECLAEDR eht iifncnt.eo taWh fi yuo agev mthe tx adn nthe etyh ocem abck dna ays, cd"o i gto eth hacym"adli -- is tihs a new asce or ddi hte tx i?fal oYreu' amniugss ti clredea btu eybam it '.inddt tshaT' hwy uyo ntwa ot ELECDXU mrfo the tsrta ynoena woh ghmti ayrdeal veha seidesa fo tinee.trs +7



 +3  upvote downvote
submitted by questioneverything(5)
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Ok I egt that fi 005 aearyld ehav eht isaedes tneh het sirk oolp si depopdr ot 0200 dettssnu ubt hte esunitqo yllpsiefaicc assy thta het sett is edon a yrea ..rtlaief. 050 ppeoel hda yidaca,hlm yuo dwoul etatr tm.he uoY tdn'o eemocb enuimm ot chyaadmli efart cfiitonen os ehty wduol go bkac noti het rski plo,o annigem teh lpoo wdoul rnuetr to .5200 ehT aswren lsuohd be 8%, ihst asw a bad ne.osiqtu

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thepacksurvives  ahY,e this swa ym esis.u I otg ti nrgow ucsebea of i-s-ht litsl 'ndot auneddrnts eht oglic bc yuo anc etg cdmiahlya llupemit mtsei +8
hungrybox  CKUF re'ouy ih.grt aDnm I intdd' vene ntihk oabtu t.tah as'Tht fcguikn .dubm I egsus htis si yhw boydno stge cefertp esscor no iths maxe l.lo Once you teg tmsra enohu,g eth orrres in the tssiqneou srtta ripgntip uyo .pu ykLcu rof em 'Im shrygtelia hednbi tath setag mlao +11
usmile1  ot mkae it enve orem yrloop ei,rttwn it assy yeth rea godni a cinesnger grmorpa fro ISTFR YAER ewnom ellocge tsutde.sn So neo ryea lea,tr rae teyh oiflwlnog htis emsa puogr fo uttdsse,n or lwduo ethy be snigecnre the mngnoici sritf sera?y +6
dashou19  I hitnk the sema at isft,r btu atfre a cosend ard,e hte qnseuoit mets siad ltaa""diodin 020 ds,tutnes wchih masen eht frits 500 sduttesn dno't o.nctu +
santal  @hrxbonygu uoY are .em +2
neovanilla  i@elmsu1 I swa ghikntni eth cxeta aesm .nihgt.. +1
happyhib_  I eerag tish is a hsatr onuitq;es I swa lkei lwle fi hsit is edno ayrely orf ewn mafsernh het igoolwnfl arye owuld eb fo the wne csasl t(bu het rodw odtaiindla amed em go tangsia hit.)s lsoA ouy doluc seausm atth they eerw etetard nda on nleogr heva the ee.d.is.as I otnd ikle it noteyshl tub nokw fro eindccien they tnwa ouy ot nto ilcdnue ohset iwth eessida so i juts went itwh dgoam qsesonuit no nieecidcn to tge to 0%1 +



 +2  upvote downvote
submitted by drdoom(1206)
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solA odeirsnc tshi eagtr tnipiorsdce fomr the NsI’H MeHS sadtba:ea

CNDCEEIIN: eTh murenb fo wen seacs of a vieng eiesasd idungr a ivgne eorpdi ni a icesidfep uto.plpaoin It lsao is sdue ofr eth aert at iwchh wen tenves rocuc ni a eieddfn ulpinoatpo. It si fntidefdeaietr mrfo RENEAPLECV, hhwci rrfese ot all sacs,e wen or d,lo ni het opapnuiolt at a gievn .itme

ion0phm=.ct?um/ne/t/b9d9g/:iruv5er.h.ssolD14hi

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questioneverything  The nealcvrepe of ichdyaaml in stih purog owdul eb .0 tI is ton a ichoncr eias.esd +



 +0  upvote downvote
submitted by usmle11a(102)
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u!!gys

eth qesoutni otnesd ysa atht eth 500 tog dec,ru os it lliw eb 2000 ohw are ta r.sik

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