lq2006
Forum Elite
Topics: 43
Posts: 382
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A 5-day-old female newborn who is breast-fed is brought to the emergency department because of a 1-day history of poor feeding, vomiting, and lethargy. Physical examination shows decreased responsiveness, hypotonia, and dehydration. There is a caramel-like odor in the diaper. Serum studies show a decreased glucose concentration, ketones, and metabolic acidosis. Metabolic studies of leukocytes show no conversion of [14C] leucine to 14CO2. An increased plasma concentration of which of the following substances is most likely in this patient?
A ) Alanine
B ) Isovaleric acid
C ) Methylmalonic acid
D ) Phenylalanine
E ) Propionic acid
F ) Valine
WHAT'S YOUR ANSWER?
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| yarab99
Forum Elite
Topics: 15
Posts: 260
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F-Valine
maple syrup urine disease????
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| hottie99
Forum Elite
Topics: 30
Posts: 556
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this isn't step 2 dear, i mean it can be asked on ck, but this is from nbme 5, which is step 1, ck only has 3 nbme's rite?? hehehee.. best of luck!! hey yarabi sent u msgs, but didnt hear back.. what's up?? 
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| drhouse
Forum Senior
Topics: 21
Posts: 184
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Valine... really easy stuff from step 1
___________________
everybody can do it.... its just matter of time
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| lq2006
Forum Elite
Topics: 43
Posts: 382
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Thanks!!
Yes......caramel-like odor.........--------->maple syrup urine disease---------->F valine
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| guangyu
Forum Elite
Topics: 29
Posts: 308
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