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22 Cards in this Set

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  • Back
What are the 6 functions of the digestive system?
1) Ingestion
2) Propulsion
3) Mechanical digestion
4) Chemical digestion
5) Absorption
6) Excretion
Describe the method of propulsion used in the digestive system
peristalsis- smooth muscle action
Which organs perform mechanical digestion?
mouth & stomach
What substances aid in chemical digestion?
saliva, hydrocloric acid, and enzymes
What substances are directly absorbed in the intestine?
cc
What nutrients require chemical breakdown before absorption?
carbs, protein, fats
what is the purpose of the saliva?
purpose is to soften and moisten food
How many adult teeth in dogs and cats?
42 in dogs, 30 in cats
Describe the formula for canine teeth (half of mouth, upper and lower
I3/3C1/1P/4/4M2/3

interpreted as : incisors, 3 upper, 3 lower, etc.
What is the starting point for peristalsis?
esophagus
What types of disgestion takes place in the stomach?
mechanical- peristalsis and grinding
chemical- chemicals added to break down food (ex pepsin for protein breakdown)
What is the purpose of the mucous lining of the stomach and what chemical protects it?
helps protected stomach from acids, prostaglandins protect it
Describe the three parts of the canine small intestine and their functions
deuodenum, jejunum, ileum, not clearly demarked, all perform peristalsis, absorb food and nutrients
Describe the canine cecum.
blind sac, poorly developed in carnivores
Name 4 benefits of massage on the digestive system.
1) Stimulates digestion.
2) Relieves constipation.
3) Relieves colic and intestinal gas.
4) Promotes evacuation of the colon.
Name the two main parts of the large intestine and their function.
colon, rectum, removes fluid and electrolytes, stores feces until elimination
Name the three parts of the colon
ascending, transverse, descending
The liver has ____ lobes.
6
Name three purposes of the liver.
1) filters material absorbed from GI tract before it goes into circulation
2) produces blood protein which help to keep fluid in blood
3) stores glucose, amino acids, some vitamins
What does the gallbladder store?
bile acids for fat digestion
The ______ is both an endocrine and an exocrine gland.
pancreas
Name two digestive functions of the pancreas.
1) produces enzymes that are excreted into the small intesting to help digest and metabolize food.
2) secretes bicorbonate into duodenum to neutralize stomach acid