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Elderly male patient with stomach cancer has gall bladder removed and a…
Elderly male patient with stomach cancer has gall bladder removed and a feeding tube inserted into his alimentary canal to bypass the esophagus, stomach and duodenum.
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esophagus, stomach and duodenum are bypassed and do not participate in digestion (does not participate in digestion)... goes straight to jejunum
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ENZYMES:
oral cavity:
- salivary amylase-- partial digestion of starch
- salivary lipase-- digestion of lipids
stomach:
- pepsin-- breaksdown proteins and polypeptides into fragments
- HCL-- protein digestion
pancreas/ small intestine:
- trypsin-- breaks down proteins
- pancreatic lipase-- fatty acids
- pancreatic amylase-- glucose production
- brush border-- complete the breakdown of starch to individual glucose molecule (maltase, lactase)
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stomach cancer
Bacteria (H pylori) can convert substances in some foods into chemicals that cause mutations in the DNA of the cells in the stomach lining.
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autoimmune reaction, tobacco use, overweight, B12 deficiency (anemia)
increase in stomach cancer rates in people over age 50. Most people diagnosed with stomach cancer are between their late 60s and 80s.
consumes large amounts of smoked foods, salted fish and meat, and pickled vegetables.
bypass of esophagus, stomach and duodenum leads to smaller stomach
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