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22 Cards in this Set
- Front
- Back
What are the 6 functions of the digestive system?
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1) Ingestion
2) Propulsion 3) Mechanical digestion 4) Chemical digestion 5) Absorption 6) Excretion |
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Describe the method of propulsion used in the digestive system
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peristalsis- smooth muscle action
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Which organs perform mechanical digestion?
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mouth & stomach
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What substances aid in chemical digestion?
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saliva, hydrocloric acid, and enzymes
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What substances are directly absorbed in the intestine?
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cc
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What nutrients require chemical breakdown before absorption?
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carbs, protein, fats
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what is the purpose of the saliva?
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purpose is to soften and moisten food
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How many adult teeth in dogs and cats?
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42 in dogs, 30 in cats
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Describe the formula for canine teeth (half of mouth, upper and lower
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I3/3C1/1P/4/4M2/3
interpreted as : incisors, 3 upper, 3 lower, etc. |
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What is the starting point for peristalsis?
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esophagus
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What types of disgestion takes place in the stomach?
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mechanical- peristalsis and grinding
chemical- chemicals added to break down food (ex pepsin for protein breakdown) |
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What is the purpose of the mucous lining of the stomach and what chemical protects it?
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helps protected stomach from acids, prostaglandins protect it
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Describe the three parts of the canine small intestine and their functions
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deuodenum, jejunum, ileum, not clearly demarked, all perform peristalsis, absorb food and nutrients
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Describe the canine cecum.
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blind sac, poorly developed in carnivores
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Name 4 benefits of massage on the digestive system.
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1) Stimulates digestion.
2) Relieves constipation. 3) Relieves colic and intestinal gas. 4) Promotes evacuation of the colon. |
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Name the two main parts of the large intestine and their function.
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colon, rectum, removes fluid and electrolytes, stores feces until elimination
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Name the three parts of the colon
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ascending, transverse, descending
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The liver has ____ lobes.
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6
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Name three purposes of the liver.
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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 |
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What does the gallbladder store?
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bile acids for fat digestion
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The ______ is both an endocrine and an exocrine gland.
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pancreas
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Name two digestive functions of the pancreas.
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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 |