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5 Written questions

5 Matching questions

  1. Regions of the Small Intestine
  2. Serosa
  3. Muscularis Mucosae
  4. Functions of the Stomach
  5. Mucous cells
  1. a Deep to the lamina propria, a thin layer of smooth muscle cells, and muscle contraction causes movement of the mucosa.
  2. b Duodenum, Jejunum, and Ileum.
  3. c Storage of ingested food, sterilization of ingestive food, some digestion: mechanical breakdown of ingested food by churning; chemical breakdown of food material: by acids and enzymes, and some absorption of alcohol and aspirin.
  4. d Secrete mucus for protection.
  5. e The outer lining of the digestive tract, composed of simple squamous epithelium, and loose connective tissue.

5 Multiple choice questions

  1. Plicae, Vili, and Microvilli.
  2. Function is ingestion and to transport along the length of the tube, and lined with stratified epithelium for protection.
  3. Occurs when materials enter digestive tract via the mouth.
  4. The last segment of the small intestine, about 12 feet long, and ends at the Ileocecal valve: controls the flow from the small intestine into the large intestine.
  5. Bordered by superiorly by the diaphragm, bordered inferiorly by the pelvic cavity, and lined by the peritoneum a serous membrane.

5 True/False questions

  1. PlicaeFolds in the intestinal lining, which increase surface area and are covered with villi.

          

  2. G cellsRelease the hormone Gastrin, which stimulates secretions by parietal and chief cells.

          

  3. Submucosal Nerve PlexusContains sensory neurons that sense muscle stretch, motor neurons (sympathetic and parasympathetic) that coordinate peristalsis, and innervates this muscular layer.

          

  4. VilliThe last segment of the small intestine, about 12 feet long, and ends at the Ileocecal valve: controls the flow from the small intestine into the large intestine.

          

  5. Chief cellsSecrete Pepsinogen, which is converted to pepsin (a protease enzyme) that breaks down proteins by gastric acid.

          

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