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elderly male patient with recent feeding tube (activities of digestion,…
elderly male patient with recent feeding tube
stomach cancer
age
feeding tube bypasses: esophagus, stomach, duodenum
nutrients needed by human body
lipids
proteins
carbohydrates
nucleic acids
some digestion compromised as stomach and duodenum of small intestine are bypassed
activities of digestion
ingestion
propulsion
mechanical breakdown
digestion
absorbtion
defecation
anatomy of digestive tract
Alimentary canal (GI tract) (gut)
esophagus
stomach
pyloric region
body
fundus
cardia region
pharynx
small intestines
jejunum
ileum
duodenum
mouth
large intestines
descending colon
ascending colon
transverse colon
cecum
sigmoid colon
rectum
appendix
anal canal
anus
Accessory digestive organs
teeth
tongue
gallbladder
digestive glands
liver
pancreas
salivary glands
enzymes responsible for digestion on different nutrients/where they are made
proteins
brush border enzymes(stomach glands) pancreatic enzymes(small intestine) pepsin(stomach glands)
lipids
pancreatic lipase (pancrease)
carbohydrates
brush border enzyme(stomach glands) pancreatic amylase(small intestine) salivary amylase(mouth)
nucleic acids
pancreatic nucleases brush border enzymes(small intestine)
mechanical breakdown not occurring through churning of stomach or chewing of food in mouth
food prep: must be already broken down as mouth and stomach are being bypasses therefore unable to breakdown
gallbladder removed: cannot contract to force bile into digestive tract
diet cannot be high in fat as bypassed stomach and duodenum cannot stimulate the gallbladder(absent) to contract and force bile into digestive system to aid in the breakdown of lipids