NBME 21 Cysteine (NBME Answers)

NBME 21 Answers ↦

nbme21/Block 3/Question#10 (22.2 difficulty score)
A 30-year-old man has had intermittent severe ...
Cysteine🔍
tags:

+14
submitted by hyoscyamine(55),

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yeK ahrspe si oenhxalga arsysltc in uairryn semdenti wihhc esanm mesna tis ienCtsy i( bemrrmee it as InX-Site fro )neoghax yscltars hiwch si amed up of 2 syecteni lesmcuo.le

+8
submitted by tinydoc(222),

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enCsetiy Unyirra noS:est

elaoHxagn styCrsla

iestoiPv oditNrpiuessr etts

euD to a etdahiryer liiybatni ot rbseorab : teynCs,ei nO,hriient eyisLn, nAd inenriAg ( LCOA ) g&t;---- nlOy eyniCets ittpcseaipre ot eamk aerln neosst hthaluog all can eb ofdnu in het reU.ni

heT nsoagdsii anc eb emda aesbd no hte trthCerciiaacs tste hety to,enidemn ehT laogHenxa pshea fo teh nts,ose and eth caft atth his rbroteh has a rmiails onotcdini ( stnpio to rrytdehaei )

nosrTeiy nad ppeorc tond seuac ykdeni tseons

hlgauhot iamcclu is evyr momnco it hsa a fdrtniefe epsha and nt'is agnno be ivpteios fro srnisiepoturd stte.

-2
submitted by haliburton(206),

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FA 71:20 airUrny aridti-ericspnuedyson ttes is cgsiao. dniontt rues hwo ot wkno that ti wsa a rde o,lcor ubt bemay stju the fcat tath erd eeesmd keli a opsiivte stet erl.ust

lkin ot rmoe okcudnabrg tbu not celreynisas eflpulh rfo tihs souinteq

nobody "Detection of cystine in urine: cyanide reduces cystine to cysteine → Cystine turns red and becomes detectable when it comes into contact with nitroprusside. If the test is negative, the presence of cystinuria is unlikely." - AMBOSS +