ARJ
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A 1-week-old newborn has had poor feeding, vomiting, and progressive lethargy over the past 5 days. She was born at term; pregnancy, labor, and delivery were uncomplicated, and she had no congenital anomalies. She is being breast-fed. She has a healthy 3-year-old brother; a sister died at 12 days of age after a full-term birth. Examination shows decreased muscle tone and poor responsiveness; reflexes are normal. Serum bicarbonate level is 7 mEq/L, pH is 7.05, and plasma ammonia level is 12 times the upper limit of normal. Which of the following is the most likely cause?
A ) Mitochondrial disorder
B ) Mucopolysaccharidoses disorder
C ) Organic acid metabolism disorder
D ) Renal tubular acidosis
E ) X-linked leukodystrophy
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| ibraheem
Forum Junior
Topics: 5
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The answer is C.
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| mani
Forum Guru
Topics: 104
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yes i agree, C
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| phuluong2k
Forum Fanatic
Topics: 714
Posts: 2,008
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Go to A,
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