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Digestive (Digestive System (Anatomy (Accessory (Digestive Glands…
Digestive
Digestive System
Anatomy
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Accessory
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Tongue
Functions
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Gripping, repositioning, and mixing food during chewing
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Digestive Glands
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Liver
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Anatomy
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Liver Sinusoids
blood from hepatic portal vein & hepatic artery proper goes through sinusoids and empties into central vein
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Abdominal Cavity
Peritoneum
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Intraperitoneal Organs
Stomach, most of small intestine and parts of large intestine
Retroperitoneal Organs
Pancreas, Duodenum, and parts of large intestine
Peritoneal Cavity
contains serous fluid which allows mobility of digestive organs to glide across each other against body wall
Mesentary
Functions
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provides routes for blood vessels, lymphatic and nerves
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Physiology
Digestive
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Mechanical Breakdown
Chewing, mixing foods with saliva by the tongue, churning of food in stomach, segmentation.
Segmentation
rhythmic local contractions of the small intestine that mixes food with digestive juices; also efficient absorption
Digestion
series of catabolic steps that involves enzymes breaking down complex food molecules into chemical building blocks
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Carbohydrates
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starch and disaccharides are broken down to oligosaccharides & disaccharides through salivary amylase
broken down into lactose, maltose and sucrose
final broken into glucose, fructose, galactose
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Absorption
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vitamins, minerals, and water
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Vitamins
Small intestine
Fat soluble vitamins A, D, E, K
Water soluble vitamins C, B
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stomach cancer in most causes develop mutation of DNA and grows rapidly and spreads which eventually will lead to cancer cells and then formation of a tumor
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it is important to keep the tube clean as it may cause bacteria to stay inside the tube which can cause the patient to become sick.
to efficiently keep the tube clean is to ensure before and after meals to insert warm water to get rid of any bacteria or leftover liquids.
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Inmost stomach cancers patients do get a feeding tube inserted for the purpose of maintaining their diet and health,
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lack of motility of intestines is common in elderly patients this affects the movement of bile and other items to move in the gastrointestinal tract
elderly patients most likely would need to be monitored frequently especially when taking their meal.
most preparations need to be recommended through the doctor such as food that might cause acid reflex or stomach pains such as spicy food may not be allowed.
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most foods, liquids will be in tube feeding formula. but not medications.
in some cases the tube can get blocked if formula or liquid is too thick but this can be easily taken care of by using warm water or calling the patients doctor.
without the gallbladder there will be no storage for the bile it passes on to the liver which will then release into small intestine, making it possible for food to be received and flow towards the rectum