1. What are the six basic processes associated with the digestive system? 2. Ple
ID: 3515674 • Letter: 1
Question
1. What are the six basic processes associated with the digestive system?
2. Please describe the layers of the digestive tract (mucosa, submucosa, muscularis, serosa or adventitia).
3. Please discuss the neural control of the GI tract.
4. The peritoneum actually consists of five specific components. What are they and what is the function of each area?
5. Please discuss the salivary glands, their products and their locations.
6. Please discuss primary and secondary dentition as well as the anatomy of a general tooth.
7. Please discuss chemical and mechanical digestion in the oral cavity.
8. What is deglutition? Where does it begin? What are the stages and why is it necessary?
9. Please discuss chemical and mechanical digestion in the stomach.
10. Please discuss chemical digestion and absorption in the small intestine.
11. Please discuss the anatomy and physiology of the large intestine.
12. What are the phases of digestion and how are they regulated?
13. Please compare and contrast the accessory structures of digestion (pancreas, liver, gall bladder).
14. Bill enjoyed his birthday dinner of salad with blue cheese dressing, spaghetti with extra meat balls, garlic pesto bread, half a bottle of merlot, and two helpings of chocolate-chocolate cheese cake for dessert (after his one piece of obligatory birthday cake and ice cream). He topped it all of with two large cups of coffee. A few hours after arriving home, Bill was on the telephone with the 911 operator saying he was sure he was having a heart attack. By the end of the ER visit, Bill was going home with some bicarbonate. What happened to Bill?
Explanation / Answer
1. Six basic process of digestive system are:
a. Ingestion
b. Mechanical processing
c. Digestion
d. Secretion
e. Absorption
f. Excretion
2. Inner most layer is mucosa which contains epithelium, lamina propria and muscularis mucosa. Then is submucosa and later is muscularis propria and the outermost layer is adventitia.
3. GI tract possess intrinsic neural plexus that allows a significant degree of autonomy over GI functions. Where as the central nervous system provides external neural inputs that regulate, modulate and control these functions.
4. The components of peritoneum are stomach, spleen, liver, duodenum, colon. peritoneum supports many abdominal organs and serves as a conduct for blood vessels, lymph vessels and nerves.
5. Salivary glands are exocrine glands that produce saliva through a system of ducts. It contains 3 pairs of glands called parotid , submandibular and sublingual. They can be classified as serous mucous or seromucous.
The parotid glands are located between the ear and jaw. Submandibular glands are located under the jaw. Sublingual glands are located on the floor of mouth, that is under the tounge .
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