NBME 20 1/25 (NBME Answers)

Retired NBME 20 Answers

nbme20/Block 3/Question#1 (reveal difficulty score)
The frequency of an autosomal recessive ...
1/25 🔍 / 📺 / 🌳 / 📖
tags: biostats

+16 upvote downvote
submitted by jotajota94(14)

The site was recently locked🔒
It can be re-accessed by making a purchase.

Purchase your membership here

unscramble the site ⋅ become a member ⋅ ~~$279~~$49

Ues het Hrgiebd-neyWar iatoqneu

ekaT eht reaqsu roto of /16,100 and ahtt wlli ivge ouy het erncfyque of teh vceeisers elella = 1/.40
latcuCeal eht nerquyefc of het ntnomaid lllaee htiw ,1=+qp hhciw si =p 09.75.
They rea ellntgi yuo ot lleacacut hte ueyefcnrq of teh desseai ia,rrserc cwhhi si iwth teh auteiqon qp2.
yhTe atnw ylno eht ssieade ersracir ni cwhhi iedtnelo is teerpns. To ultlcaeca htsi, esu teh q vealu /41)(0 dna litpmluy by %80 ni stih lsohdu geiv you 20.0.
ny,laliF acalluect ofr 2q 2P 7.(2)00)(.950= 00.4 = .15/2

unscramble the site ⋅ become a member ⋅ ~~$279~~$49

yex ec!iN .d..an we aer pdepssuo to dera hte tesm adn do lla this ni a mintue ro ?so :-/ +28

charcot_bouchard eAelll qunycfree 04/.1 so rrcarei feqr 201./ 8%0 fo /102 si 15/2 /0(0810 x )1/20 +15

dickass hA feck, q2p ogt em +1

hello_planet A dhnya ucstohtr orf yWrdei-aeHrbng is atht yuo agelnleyr cna eaussm p =~ 1 fi q fi lyirfa lwo. tI aosl dsetn ot be eriase to krow in fsacitnro fi the rsaenw chciseo aer ni sfrintaoc os you n'odt vhae ot ubecon akcb adn rohtf wbeeetn srtfciano dna mesicd.la So whti ,atth yuo esnd up htiw qp2 = 2 * 1 * 01/5 = 02/5 = 51./2 +9

topgunber athe iths ehwlo lersmcba hitn:g nI eno ei:ln 2 * q * is.8 T0%h is rfo sdiasdee anidliduvsi w(to q lIls)ee.al = 01160/ = 2qh^eT qeynercfu of q = 41 /oNw0 eraisrcr is 2 p q. P si elsoc to neo uniasmsg HW eqm q.p)1=(+ The'rse na daatilodin stpe in tihs uqotinse edu to teh tow tidfenref mounit a.ssto (q2) = ./012 8%0 fo eesth asrirrce era dtiesnleo so iylptlum /120 * .80 = 512/ +

@usmlecrasher

1/40 = .025 = q P + q = 1 -> P + .025 = 1 -> P= 0.975

+3/- alexp1101(11)

+2 upvote downvote
submitted by ∗topgunber(68)

The site was recently locked🔒
It can be re-accessed by making a purchase.

Purchase your membership here

unscramble the site ⋅ become a member ⋅ ~~$279~~$49

hate sthi eolwh lmscbrae gth:in n I eon l:ien 2 * q * %08.

hsiT si ofr assiedde aviuddniils wt(o q aIsle).lle = 6/1001 = heq ^T2 rqucyfeen fo q = /140

Nwo ecrsrria is 2 p q. P is lsoec to eon nisusagm WH qem +p().1q= rheT'se an oinladidta epst ni htsi qntsiueo eud ot the owt tirndfefe m.aunittos

so (2)q = 012./ 0%8 of tehes sarcirre rae etlneidos os iplulmty 210/ * 08. = 5/21

unscramble the site ⋅ become a member ⋅ ~~$279~~$49

+0 upvote downvote
submitted by thechillhill(1)

The site was recently locked🔒
It can be re-accessed by making a purchase.

Purchase your membership here

unscramble the site ⋅ become a member ⋅ ~~$279~~$49

p + q = 1 ^p 2 + 2qp + 2^q = 1 fi ^2q = 1010/6 = 3.00060 te nh q = sqq)^2(rt = 250.0 slove rof p to gte p = 1 - r = 1 - 2005. = 9075. teh ougsetyehzor rsaricer = 2pq = 1 - p2^ = 1 - 950. = 05. q2 ^ cna be eroddpp bc/ s'ti muhc amrlsel nath .2p^ hTe dnoteeil si rlinsbeepos rfo 0%8 of het taoniutms. . 80 x .50 = .040 = 40/01 = 1/52

Tehre hgtmi be an ariees yaw to od ih,ts but it erkwod orf e.m

unscramble the site ⋅ become a member ⋅ ~~$279~~$49

thechillhill oS anelptprya I ontd' wnko woh to trofma rvey l.elw o!rSry +1

pakimd So seecaub i tlndocu denps more nhat a uienmt on tish qstueoin adn yeolstnh ddtin leaclr het -rbagirenyeHWd oequanti hsti si hwo i dsvloe it drenu a n:is outme yuo wokn in a nvgie nloaptpiou alhf of emth will be cirreras csnie ist na taaoluosm scieresev deesisa Aa =aA AA aa Aa oA as of ahtt lhfa %08 aer ude ot detoinle simotntua nda %20 ear ued iontp bsoym nitatu ttah ciolg %08 of hfla inot 02% fo fhla lwil eigv yuo 1/52 +1

draykid 08. x .05 si 40. +

topgunber etah htis loehw lrsmbace in:gth nI oen nle:i 2 * q * . h0%8sTi si rfo seiaedsd uiildsviand w(to q elIlseal). = 60/101 = 2q e^hT quyfrcnee fo q = N/ o10w4 ersiarrc si 2 p .q P si elcso to noe nusgsmia WH emq 1=+p)q(. 'erhTes na dialiadnto spet ni shti inuosqet ued ot hte owt erdtfefin t. ooiuasmtns q2)( = /021. 8%0 of etehs cesrrari era disteonle os ytimpull 12/0 * .80 = 15/2 +

Must-See Comments from nbme20

amorah on Cytomegalovirus infection
masonkingcobra on Contact with parakeets
hayayah on Capillary hydrostatic: increased; ...
hayayah on X chromosome-linked isoenzymes
medbitch94 on Mannose 6-phosphate
hello on Capillary hydrostatic: increased; ...
hayayah on Osteoblasts
imgdoc on Hypophosphatemia
hayayah on Missense
celeste on 50%
justgettinby on Omeprazole
andrewk1 on Cold, dry air
yotsubato on Jugular venous pressure of 12 mm Hg
strugglebus on Drug effect