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5 Written Questions

5 Matching Questions

  1. Functions of the Digestive System
  2. Absorption
  3. Regions of the Small Intestine
  4. Abdominal Cavity
  5. Esophagus
  1. a Movement of organic substances, ions, vitamins, and water for lumen, across the cells of epithelial lining, and into interstitial fluid (and blood vessels).
  2. b A hollow muscular tube, transports solid food and liquids to the stomach, and passes through the diaphragm muscle to get from the larynx to the abdomen.
  3. c Bordered by superiorly by the diaphragm, bordered inferiorly by the pelvic cavity, and lined by the peritoneum a serous membrane.
  4. d Duodenum, Jejunum, and Ileum.
  5. e Ingestion, Mechanical processing, secretion, digestion, absorption, and excretion.

5 Multiple Choice Questions

  1. G cells and Stem cells.
  2. 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.
  3. Contains sensory neurons that sense muscle stretch, motor neurons (sympathetic and parasympathetic) that coordinate peristalsis, and innervates this muscular layer.
  4. The first segment of the small intestine, begins at the pyloric sphincter: which controls flow from the stomach to here, about 1 foot long, and it receives: chyme from the stomach and digestive enzymes and buffers from pancreas and liver.
  5. Secrete Pepsinogen, which is converted to pepsin (a protease enzyme) that breaks down proteins by gastric acid.

5 True/False Questions

  1. VilliFingerlike projections, which increase surface area.


  2. How the Small Intestine Increases Surface Area?Function is digestion and absorption, and are lined with simple columnar epithelium for rapid transport across the epithelial lining.


  3. Components of Digestive SystemOral cavity, teeth, tongue, esophagus, liver, gallbladder, large intestine, salivary glands, pharynx, stomach, pancreas, and small intestine. From the mouth to the anus.


  4. MicrovilliFingerlike projections, which increase surface area.


  5. PeristalsisWaves of muscular contractions that moves a bolus along the length of the digestive tract. Circular smooth muscle layer behind bolus, longitudinal smooth muscle layer ahead of boys contracts: shortening adjacent segments, and wave of contraction in circular muscles: forces bolus forward.


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