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Alimentary 2
Question | Answer |
---|---|
What holds teeth in the jawbone? | Periodontal ligaments |
What is the first development in periodontal disease? | Begins with development of plaque, a bacteria laden film that coats the teeth. |
What does plaque build up turn into? | Tartar |
How long could it take for plaque to turn into tartar? | Can be as quick a 12 hours |
What is the hard substance that is formed when tartar calcifies called? | Calculus |
How can you intervene and prevent periodontal disease at home? | - Brush teeth w/ pet safe toothpaste -Anit-plaque chews -And when needed prescription diets |
How can you intervene and prevent periodontal disease at the vet? | -Teeth get scaled, polished, and pits and grooves are removed under anesthesia -Teeth are inspected for decay and looseness |
How many salivary glands do dogs have? | 4 |
What is the purpose of saliva? | - Enzymes help break down carbohydrates -Lubricates the passage of food |
What is the esophagus? | Muscular tube running from the pharynx to the stomach. |
What is the esophagus lined with? | It is lined with stratified squamous mucus epithelium |
How are food boluses moved trough the esophagus and rest of the GI system? | Peristalsis |
What is the simple stomach? | A large muscular sac that mixes food by peristalic contractions & holds for gradual release to small intestine |
What is the stomach lined with? | Inner surface has goblet cells (columnar) which produce mucus and cells which produce digestive enzymes |
How does the stomach break down food? | Food is chemically & mechanically broken down in the stomach. |
What controls the entrance and exit of contents? | Sphincters |
How does the stomach digest proteins? | -Denatures (breaks apart) with hydrochloric acid -Enzymatic digestion with pepsin |
What is the estimated pH value of the stomach? | pH of 2 (VERY acidic) |
How does the stomach protect itself from the strong acids? | Produces mucus to protect from acids (Without mucus develop ulcers) |
Absorption of alcohol and (some) volatile fatty acids occurs in the stomach T/F? | True |