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5 Written questions

5 Matching questions

  1. Parietal cells
  2. Pharynx
  3. Jejunum
  4. Surface Epithelium
  5. Muscularis
  1. a A common passageway for solid food, liquids, and air that is shared by the digestive and respiratory systems, and food passes through this to the esophagus.
  2. b Is either stratified or simple columnar.
  3. c Secrete HCl (hydrochloric acid)- gastric acid.
  4. d The middle segment of the small intestine, about 8 feet one, and the site of most digestion and absorption.
  5. e Two thick layers of smooth muscles- inner and outer longitudinal, and involved in peristalsis, which is wave-like muscular contractions that move materials along digestive tract, and contains a nerve plexus.

5 Multiple choice questions

  1. The chemical breakdown of food into smaller fragments.
  2. Occurs when materials enter digestive tract via the mouth.
  3. Secrete mucus for protection.
  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. Ingestion, Mechanical processing, secretion, digestion, absorption, and excretion.

5 True/False questions

  1. Functions of the Small IntestineDuodenum, Jejunum, and Ileum.


  2. Oral Cavity, Pharynx, Esophagus, and Anus Surface EpitheliumFunction is digestion and absorption, and are lined with simple columnar epithelium for rapid transport across the epithelial lining.


  3. VilliFingerlike projections, which increase surface area.


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


  5. SubmucosaThe inner lining of the digestive tract and consists of its own three layers: epithelium, lamina propria: loose CT, and muscularis mucosae: a thin smooth muscle layer.


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