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Elderly Cancer Patient inserting feeding tube (Nutrients For Body (Carbs,…
Elderly Cancer Patient inserting feeding tube
What is Bypassed?
stomach
duodenum
Esophagus
Anatomy Of Digestive System
Gastrointestinal Tract
Esophagus
Bolus from pharynx to stomach
Mucus for movement
Stomach
Cardia
Pyloris
Fundus
Body
Greater & Lesser Curvature
Break Down of bolus into Chyme
Oral Cavity
Mastication
Salivary Amylase (chemical breakdown of sugar)
Small Intestine
Jejunum
Duodenum
Proper Chemical digestion
Ileum
Majority of nutrient Absorption, as well as water and electrolytes
Pharynx
Swallowing and movement of bolus
Saliva mucus for swallowing
Large Intestine
Ascending Colon
Rectum
Transverse Colon
Descending Colon
Sigmoid Colon
Appendix
Absorption of water, vitamin, electrolytes
Accessory Organs
Glands
Salivary
Secretion of Saliva
Chemical digestion of starch
Liver
Produces Bile
Pancreas
Production of pancreatic juice
Release of Bicarbonate
Other
Gallbladder
Secretes Bile
Teeth
Break food into pieces
Tongue
Mechanical digestion
What can't occur?
The proper digestion of Fats and proteins
Liquid foods
Absorption Of Vitamin B12
Needs some kind of intrinsic factor
Chemical breakdown of foods in stomach
Liquid Food
Food can't be chewed and swallowed
Must be liquid
Secretion of bile
Nutrients For Body
Carbs
Proteins
Fats
Vitamins
Minerals
Water
Enzymes
Salivary Amylase
Produced in mouth
Breakdown of starch
Pepsinogen
Produced in stomach
denature proteins
Gastric Lipase
Stomach
Break up fats
Bile
Liver
Break down Fats
Nucleases
Pancrease
Break up nucleic acids
Proteases
Amylases
Lipases
Small Intestine
Maltase
Break down maltose sugar
Peptidase
Denature Proteins
What is needed in the feeding tube?
Liquid proteins, fats, sugars
Proteins and fats will need to already be in smallest form for absorption
Major chemical digestion occurs in stomach and the duodenum
Stomach cannot make chyme for food to pass through intestine
Gallbladder does not secrete bile to break down fats
Intrinsic Factor
Important for B12 absorption
Essential for normal blood cell production
Vitamins and minerals
Can't get it from eating regular food
What Organs/enzymes can't participate in Digestion?
Stomach
Intrinsic Factor
Gastric lipase and Pepsinogen
Hydrochloric Acid
esophagus
Duodenum
Other Factors
Cancer
Gallbladder Removal
Old Age