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* peptic ulcer
 #136514  
  kashmala - 11/08/06 02:29
 
  A 29-year-old carpenter presents to the emergency department with his third episode of upper gastrointestinal bleeding in the past year. On both prior occasions, he was found to be bleeding from a duodenal ulcer, and the bleeding was controlled endoscopically. He also reports having ulcers in the distal duodenum, jejunum, and additional ulcers twice in the past 4 years. He does not take any nonsteroidal anti-inflammatory drugs (NSAIDs) and has tested negative for Helicobacter pylori. Which of the following is the most likely cause of his recurrent symptoms?
A. Autoimmune destruction of the parietal cells
B. Autonomous production of gastrin
C. Autonomous production of somatostatin
D. Impaired production of the mucous bicarbonate layer in the stomach
E. Inhibition of parietal cells secr
 
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* Re:peptic ulcer
#548538
  frodo - 11/08/06 02:32
 
  b...?gastrinoma  
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* Re:peptic ulcer
#548546
  cd45 - 11/08/06 02:41
 
  bb  
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* Re:peptic ulcer
#548547
  eu_phoria - 11/08/06 02:43
 
  i was thinking of because of achlorhydria...

A or E ...
 
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* Re:peptic ulcer
#548552
  student2000 - 11/08/06 02:49
 
  B..  
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* Re:peptic ulcer
#548562
  step1_ca - 11/08/06 03:14
 
  b.  
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* Re:peptic ulcer
#548564
  kashmala - 11/08/06 03:15
 
  yes B  
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