Chapter 22: Oral and Gastrointestinal Diseases Question Type: Multiple Choice 1) Feces are composed about 50% by weight and volume of bacteria. Most of these are species of ________. a) Salmonella b) Escherichia c) Bacteroides d) Streptococcus Answer: c Difficulty: Medium Learning Objective 1: LO 22.1 Review the anatomy of the digestive tract as it pertains to microbial defenses. Section Reference 1: Section 22.1 Components of the Digestive system 2) Streptococcus form ________ ‚ polysaccharides
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there is the cardiac sphincter which then opens to food can enter the stomach. The sphincter then recloses to prevent regurgitation of stomach contents into the esophagus. The bolus of food stimulates the secretion of gastrin by the cells of the stomach wall. The gastrin cells secrete gastrin which stimulates HCl production in the parietal cells of the gastric glands‚ gastrin also stimulates muscular contractions fo the stomach to further churn the food and produce an acidic‚ semi-fluid‚ partially
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Timber went over to Harry house. When he got there Harry was laying there with a snake on his stomach. So Timber went and got Dr.Ganderbai. In Roald Dahl story “Poison”‚ Harry was angry because ‚ he had to sit still for hours and hours‚ he had a snake on his stomach‚ and after all of that the snake wasn’t even on his stomach. So‚ they had to call the doctor to come. Harry had to sit still for hours . Until Timber came over finally . Timber walked and saw him lying there sweating‚ so he walked over
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and enters the stomach. Folds in the stomach called rugae allow for expansion as the stomach fills. The stomach cells produce hydrochloric acid‚ pepsinogen and various regulatory hormones that chemically digest the bowlus. Muscular contractions in the stomach churn the contents and mix it with stomach secretions to form a thick liquid called chime. The stomach is a muscular-walled sac that stores the bowlus. In addition ‚ churns and mixes; with gastric juices produced in the stomach. The lower part
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vitamins with a smaller stomach. This surgery causes eating problems because the patient does not follow the guidelines‚ which causes a lack of vitamins. Weight loss surgery shrinks the stomach‚ which makes it harder for you to collect vitamins (WebMD). The stomach can not hold as much food‚ which stops the body from absorbing as many vitamins. Most weight loss surgery patients end up malnourished. Weight loss surgery patients have malnutrition because they fill their smaller stomach up with unhealthy
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taken orally to help relieve sour stomach‚ heartburn‚ or acid indigestion”. This medicine is available without prescription but it is needed to take the correct dose. The different types of anti acids include calcium carbonate‚ sodium bicarbonate‚ magnesium hydroxide‚ aluminum hydroxide‚ and dihydroxyaluminum sodium carbonate. The cost of the anti acid will depend on how effective it is‚ meanings how useful are the components on the medicine used to stop sour stomach‚ heartburn or acid ingestion. As
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The digestive tract is a twisting tube about 30 feet long. It starts at the mouth and ends at the anus. In between are the esophagus‚ stomach and bowels (intestines). The liver and pancreas aid digestion by producing bile and pancreatic juices which travel to the intestines. The gallbladder stores bile until the body needs it for digestion. The digestive system breaks down food and fluids into much smaller nutrients. In this complex process‚ blood carries the nutrients throughout the body to nourish
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Digestive System Digestive system includes the stomach‚ liver‚ pancreas‚ duodenum‚ ileum and colon. What is a Digestive system? Digestion is a breakdown and transportation of the solid and liquid food into microscopic substances therefore theses substances are then transported into different areas of the body The digestive system is a set of organs which transforms whatever we eat into substances that can be used in the body for energy‚ growth and repair. Once the food has been
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explaining that ice cream blocked in her stomach. She began not to have ice cream anymore‚ and she began to suffer from constipation and bloating in her stomach when eating even small size of food. Then‚ we took her to a regular doctor at Med7 in Sacramento‚ CA‚ and the doctor said she was just OK. I asked the doctor to check her entirely‚ but the doctor didn’t do it‚ and I didn’t insist on it because she was pregnant. But‚ Basak had some pain and sufferings from her stomach‚ and we took her to the ER at Kaiser
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down the oesophagus into the stomach. A form of mechanical digestion in the stomach is when the food has entered the stomach‚ the stomach contracts and makes wave like movements. The stomach does this to mix the gastric juice inside the stomach with the food. When food enters the stomach chemical digestion mainly takes place. The second step of digestion is chemical digestion. Chemical digestion first takes place inside the mouth and then takes place in the stomach. Chemical digestion involves in
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