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View Poll Results: A 4-year-old male with mental retardation, self-mutilation, and hyperuricemia is likely to have a de
Breakdown of branched-chain amino acids 0
Conversion of homogentisic acid to methylacetoacetate 0
Degradation of galactocerebroside 0
Recycling of guanine and hypoxanthine 3
Synthesis of UMP and CTP 0
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  #1  
Old 03-16-2016
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I agree Question of the day

A 4-year-old male with mental retardation, self-mutilation, and hyperuricemia is likely to have a deficiency of an enzyme involved in which of the following processes?

A. Breakdown of branched-chain amino acids
B. Conversion of homogentisic acid to methylacetoacetate
C. Degradation of galactocerebroside
D. Recycling of guanine and hypoxanthine
E. Synthesis of UMP and CTP

It's from Step1Daily.
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  #2  
Old 03-16-2016
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Quote:
Originally Posted by mrmedical View Post
A 4-year-old male with mental retardation, self-mutilation, and hyperuricemia is likely to have a deficiency of an enzyme involved in which of the following processes?

A. Breakdown of branched-chain amino acids
B. Conversion of homogentisic acid to methylacetoacetate
C. Degradation of galactocerebroside
D. Recycling of guanine and hypoxanthine
E. Synthesis of UMP and CTP

It's from Step1Daily.
D. that is patient with lesch nyhan syndrome HGPRT: Hyperuricemia, gout, pissed of (self mutilation), retardation, DYstonia.
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  #3  
Old 03-16-2016
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Lesch Nyhan syndrome sounds about right

As an aside, im surprised how many biochem applications the step 1 has. Even a lot of the patho questions had me thinking back to my days of reading lippincott biochem
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