NBME 21 Retina (NBME Answers)

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Retired NBME 21 Answers

nbme21/Block 4/Question#33 (reveal difficulty score)
A female newborn delivered at 26 weeks' ...
Retina 🔍 / 📺 / 🌳 / 📖
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+8 upvote downvote
submitted by ∗hyoscyamine(59)

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AF pg 271. Too uchm inoetxyogna anc ausec rfee ldiarca emgdaa gdniale ot ohiaprnytte of areyutmtrip

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mmm21 akyO i itgmh be aedrerd,t but why i tc’na dutnsraedn ttha ythe r gsknai ubaot het gntih thta is edaadmg ? 😂😂 +8

sahusema eSos!rlyui heT estuiqno sasy te"h algo of ertaetmnt si the ienptrtooc fo ihchw of the liwgnfloo ur?tsrstcue" fI too chmu O2 saaedgm eht ietan,r how si sith tnemtraet upopsdse to eb tovectprei to teh eatrni? +2

ratadecalle I ktihn too hmuc yenxog uwold be wiht hte livtntearo ihgavn a ghhi i2OF nitts,ge wchih ythe ont'd neimtno ehre tbu m'I usseingg tshta eht hgint 'erthye glltrnncioo ot vadio xnegyo yxtticoi? +2

burak ythe idnd't vgei eth iptetna 2ofi 010%, intsoque assk teh oarens fro i.t utb in a reyv utdpsi yaw +31

naught ntmlepSapule 2O mya slao eausc unraloomochrnpby aypsasdil or niiauttrnalrvrec reahrgomhe l(inemarg ,rimxta laodcet ni eunsuvrbcrtlia ezon NTO ichordo us)lxep +1

fkstpashls 52-99% 'stni g,ihh utb s'ti neguoh to teg vyheirngte lese ngaeex.oytd aueBcse ti's ton 0%01 hhig lwof the trasnei t'nod or-ausvvlezeirca and edla ot /,haeromdgrghmaeea dna this lkei tta.h +1

soccerfan23 nI heotr tehdo..wr.s. iuseotqn si libslyaac kaisng wyh ethy vgea eht teipnat a 2ofi fo 992%5- aintdes fo .%001 hTe nosrae is euesabc %010 gneoyx udolw alde to hyetaiotnpr fo typr.tamurie heT lrewo 25%-99 yogenx svleel ttoecpr het ntaeri omfr dag.aem Teh rgonwdi fo het unoqsiet cksus hot m.io +3

randi FA 0192 p012 nuerd eFre aradlic ujyrin pamelesx +

umpalumpa from ARTNEU :n2;.%e02an%2e4xorgoi0traanp2i,mg0asrncao%e:s%hhe~Days%tr00y0hh=aettte%1gtnt.wdeo/2tt%oisn2irOxwwa2a:tu2Die=/w2nxhO07eaod.0ht7%tirn00%1xPm%2agusulhaattev2s0&22022e0peh%cv%22am%%e.SI/c,:sSeun0#sit5R/t%slt% vree Sal teecnr usestdi hvea ohnsw a ehnsptilraoi ntebeew a ngxhygho-ie nuioaratts dna O.RP It eemss tath a ;2ta&g9O%3S ericnseas het rski ofr eervse ROP nad need rof etyrpah +

Wikipedia pathophysiology section of "retinopathy of prematurity" explains this pretty well. Retinal vessel maturity is incomplete in premature infants--the process of continuing this maturation in these babies is directed towards growth of vessels in O2 deprived areas, but if O2 is being supplemented, this process is hindered. Therefore when O2 supplementation is removed, excessive vessel proliferation going into the vitreous humor (not where it is supposed to be) leads to retinopathy of prematurity (defined as "disorganized growth of retinal blood vessels leading to scarring and retinal detachment")

+7/- beanie368(27)

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+2 upvote downvote
submitted by ∗mcl(671)

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inrc"hoc hghi yoenxg ntasuosaitr cna dvslaeyre ftacef glnu dna eey ctemouso of terpmer "nisnt. fakinl

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+0 upvote downvote
submitted by ∗divya(75)

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eager ithw tbeyeu 'r.karh nytirg to yas tath myaprri oalg fo aetmtrten hiwt anlmpspeuelt o2 si to ekma esur treeh is on nlrteia .aeagdm

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submitted by ∗ergogenic22(401)

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wyh si pretotinoc of teh icdhoro sp,uelx frmo arnreuiatlrtnivc urrtupe ydorcnsea to eglmrian ixtarm hhmeaeorgr not a lobsspei we?sanr

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whoissaad yse smae neto,siqu bhto hartoynitep dna rtvarnautrcneiil rhaemeomg can rcocu due to hhgi yoexng .l.vsele +

cienfuegos I ntslkmaeyi hoesc icdhoro plsexu oto, edasb no wkii seesm isht is stom oocnmm cause of VIH ni mtre fn:ntisa VHI ni the erteprm rinab suaully iearss ormf the enrmilga mtaxir rhwesae IVH ni eth rtme ftnaisn snaortigie from the ichrodo lxsepu. eHeorv,w ti si rlrlpauticya nmcomo ni reepratmu naitsfn or shoet of yvre low rthbi .gw..tehi toMs ntrarcintuearilv romeeasrghh curoc in het itsfr 27 hurso afrte rhbt.i The isrk is asciredne thiw ues fo oorpecrlaetxra beamemnr xityeoagnno in remerpt itafn.n snmttgar/acrwhiepal#/htrw_iter.are/up/Birankhkb:sso.iiiIvigdeeone +

burak cordoih usxelp is fdtnreife nath amngrlei amirxt +

meryen13 trealni hamgheeror is mroe onmmoc ttha HIV veen if ouy hktni taht it could geamda hrciood ceapsl yredscaon to greaniml ixrtam eegmor a.rhhnn:hdemiocil41t.u.p01/.//gwp1tnvhw8/mbb.6ws3 +

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-4 upvote downvote
submitted by ∗lilmonkey(63)

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yoAnne nraiged hsit nitoueqs

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SPOILER ALERTTTTTTTT

lollll i got this right because of This is Us.

+/- alexv0815(10)

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