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 1.72 oTo mcuh eonityxgona nca caues eref clairad emagda egaldin to hpyetaoirnt fo earrmytptiu

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mmm21 aOyk i tigmh eb raedter,d tub hyw i acn’t dadnunrste ahtt eyth r skinag uaobt het nhgit taht is aamddeg ? 😂😂 +8

sahusema elyS!suoir ehT qstnuoei says ht"e agol fo ntatterme is the rnotectoip fo iwhhc fo teh llofwgion tsut"rce?urs If oot uhmc 2O sedmgaa eth rtia,ne ohw is sthi tmteeanrt udeospps ot eb voreticetp to hte ?iranet +2

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burak htey 'nitdd egiv eth iptante i2of 01%0, sinetouq skas hte sonrea fro ti. utb ni a eyrv sdpuit way +31

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soccerfan23 nI oerth hrws.tde...o snuoeitq si cialyslba aingks hyw yteh aveg eht apeittn a fio2 of 992-%5 endsita of .10%0 heT ernoas is euabesc 0%01 nyoxge ludow adel ot noyhtirteap fo rumtpytri.ea Teh erwol 2-%959 nyxego evells otprect eht riaetn ormf edmaga. heT ogdrinw of teh usiqteno scsuk oht .iom +3

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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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submitted by ∗mcl(671)

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ion"rhcc hhgi engoyx uirtaosants can dalervyes aftecf glnu dan eey meutoocs fo terempr ts"fin .nanikl

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submitted by ∗divya(75)

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rgaee htwi a' eryeuh.rbtk itnygr to asy atth ryapimr aglo fo tenmetatr itwh tpaspmneuell 2o is ot ekam rues hreet si no ilratne adm.aeg

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submitted by ∗ergogenic22(401)

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hyw is tcinpreoot fo the drhcioo p,sulex mofr tauvnrncreitairl ureuprt enasyocrd to irealmng mxtiar eghmoerhra ton a iesblops sraw?en

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cienfuegos I kmeinlsyta ecosh hircodo lepsxu to,o dseab no iiwk mssee sthi is tmso ommcon cusae fo VIH in mret nfsaint: VIH ni eht rtpemre arnib suullay esairs omrf teh meainlrg rxatim hrewsea IHV ni the rmte tnsinfa eatioginrs mrfo het ocdoirh .eluxps Hveorwe, ti is iytrcplaraul nomocm in uparmteer fasinnt or toshe fo yvre olw tibhr .tihe.w.g sMot anuelvantirrtcir sherhmgearo cruoc in the stfir 27 rhuso erfat ri.bht ehT kris is carisneed wthi ues fo errcarooaelptx neemabrm ygoeiaxnton in etpermr a nftisn.#n/iuaiwec.aserw/ktetelegghnhbtnrkverito_arrhi/i:da/os.ImpiaBirp +

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meryen13 eiltnar eoagrhmerh si more mcmnoo taht VIH even if ouy hiktn htat it clduo edgama rihdcoo lcaesp rascyenod to engilmar mxrtai gomh rr.eehap0lm4w1./isdvw8em1.ino/t3bhbh1p/g./c.tuw6nn: +

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-4 upvote downvote
submitted by ∗lilmonkey(63)

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nAeony grdiena hits iusoeqnt

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SPOILER ALERTTTTTTTT

lollll i got this right because of This is Us.

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