What hormone is increased in Atrophic Gastritis? - USMLE Forums
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  #1  
Old 05-15-2011
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GIT What hormone is increased in Atrophic Gastritis?

What hormone is increased in a patients with atrophic gastritis?
1. CCK
2. Gastrin
3. Glucagon
4. GIp
5. Motilin
6. Secretin
7. VIP
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  #2  
Old 05-15-2011
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The answer would be gastrin.
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Old 05-15-2011
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Its gastrin
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  #4  
Old 05-15-2011
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can u give an explanation
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Old 05-15-2011
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*In atrophic gastritis, the corpus of gaster becomes atrophic due to the inflammation caused by Helicobacter Pylori.
*The parietal cells (present in corpus) which secretes HCl are destroyed in that situation.
*So, the acid secretion decreases.
*The G cells secretes Gastrin which stimulates Parietal cells to secrete HCl.
*Like in that case, if acid levels becomes low in the gaster due to lack of parietal cells, the G cells secretes MORE GASTRIN to normalize the acid levels in gaster.
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  #6  
Old 05-15-2011
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gastrin due to decreased negative feedback by hcl....
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Gastrointestinal-Tract-, Pathology-, Physiology-, Step-1-Questions

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