NBME 21 Retina (NBME Answers)

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 gp 721. oTo hucm ygxoaoenint anc auces erfe driaalc amadeg dngelai to raonheitypt fo rtaypitumre

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mmm21 aOyk i mgith eb ,erddaret ubt ywh i cn’ta dsrtdnnuae ahtt htye r kainsg boaut teh hintg ttha is mdeaagd ? 😂😂 +8

sahusema siSo!ylreu hTe sqeiutno ssya eh"t glao of taeetnrmt is eht ootenrpict fo whhic fo the willoognf ut?"rstrceus If oot cmuh 2O damaseg teh t,nriae owh is itsh nmtetrtae dospspue to be ovtpecrite ot teh nt?iera +2

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burak htey dit'nd eigv the entitap i2fo ,010% nqsoiuet akss hte rseaon rfo ti. ubt in a vrey iutdps wya +31

naught mppulSneatle O2 yma sola uceas olrphaomorbyncnu ilpasdsay ro rttaviileurrnnca agrhehremo lnmig(aer iartx,m leocdta in uinrturbclseav enzo TON doricho sux)lpe +1

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soccerfan23 In rteoh hdso.et.r..w oseitnuq si lycasibal isgnak hwy ythe vgae the ttaeipn a 2fio of 9295%- ndesiat of 1.00% ehT anoser is cseeabu 010% oxgeyn owdlu dale ot oantiptyehr fo ruyra.tpimet The loewr 5-92%9 gxoeny evlsel tcoeptr hte taerni fmro egaam.d eTh wirgnod fo teh osqienut cussk tho mi.o +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)

+2 upvote downvote
submitted by ∗mcl(671)

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"hcnroic gihh ogyenx atnsoisaurt nca aeyeslvrd eftacf lugn adn eey uosmcoet of metrerp i ".snafntlink

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+0 upvote downvote
submitted by ∗divya(75)

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geera hwti abruet' hyk.re ynrigt ot asy atth ymrpiar lgao of earnetttm whit pesntlmaepul 2o si to maek sreu ehter is on lrentia ameagd.

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+0 upvote downvote
submitted by ∗ergogenic22(401)

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hyw is enrotpioct of eht oohcird lpsu,xe rfom lictrtraevainrun reuurpt ycrsnedao ot renalgim riamtx hrheamgreo ont a bioslsep nwaesr?

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whoissaad yes asem n,itqusoe tobh pntteriyhoa nda vlrrtiaeurntcani rhmgoaeem nca orcuc eud to hihg gneyox e.lse.vl +

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burak coiodhr lxpesu is rfeetdnif tahn nermagli mxrait +

meryen13 entrila aeehhrogrm si erom mmonco taht HIV eevn if yuo itnkh ttha ti dclou gmadea cdioohr spealc narcsdoey to igemnral rmxita aohehrm. gre1wmh6//uplnpeb/gt:.8n3h.n.0wim1tdw4cso/bi1.v +

-4 upvote downvote
submitted by ∗lilmonkey(63)

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enynoA inegadr tsih ietuqnso

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SPOILER ALERTTTTTTTT

lollll i got this right because of This is Us.

+/- alexv0815(10)

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