sarika Forum Guru

Topics: 195 Posts: 1,200
| | 01/12/07 - 10:34 PM  
 
   
 
|   #1 |
A 2-month-old boy is brought to the physician because of a 6-week history of persistent diarrhea and vomiting, most pronounced after formula feedings. He has had a 113-g (4-oz) weight loss since birth. He currently weighs 3100 g (6 lb 13 oz) and is 51 cm (20 in) in length. He appears irritable. Examination shows jaundice. The lungs are clear to auscultation. No murmurs are heard. The liver is palpated 2 to 3 cm below the right costal margin, and the spleen is palpated 1 to 2 cm below the left costal margin. Laboratory studies show: Serum Glucose 35 mg/dL Bilirubin (total) 2.3 mg/dL Urine Glucose negative Reducing substances 3+ Which of the following is the most likely mechanism of these findings? A ) Decreased gluconeogenesis B ) Decreased insulin secretion C ) Increased glucagon secretion D ) Increased gluconeogenesis E ) Increased insulin secretion F ) Insulin resistance
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| prathapdoctor Forum Elite
Topics: 12 Posts: 406
| | 01/12/07 - 10:43 PM  
 
   
 
|   #2 |
Decreased gluconeogenisis, i think thats a right answer,because the presentation is suggestive of heriditary galactosemia which is characterised by improper conversion of galactose to glucose,what do you say sarika.i put A in exam.
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| sarika Forum Guru

Topics: 195 Posts: 1,200
| | 01/12/07 - 10:49 PM  
 
   
 
|   #3 |
i put A too but now i think its galactosemia which also has reducing susbtance in urine but...none of teh choices go with it...also Glucose 6 phosphatase which was my initial diagnoses wouldnt prsent with vomiting right after feeding they show severe fasting hypoglycemia.....si im confused
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| anjushree Forum Guru
Topics: 64 Posts: 386
| | 01/17/07 - 09:01 AM  
 
   
 
|   #4 |
A-----EXP same as pratap
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