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5 Written questions

5 Matching questions

  1. Digestion
  2. Functions of the Small Intestine
  3. Jejunum
  4. Plicae
  5. Chief cells
  1. a Folds in the intestinal lining, which increase surface area and are covered with villi.
  2. b The middle segment of the small intestine, about 8 feet one, and the site of most digestion and absorption.
  3. c Plays a key role in digestion and absorption of nutrients, and 90% of nutrient absorption occurs here.
  4. d The chemical breakdown of food into smaller fragments.
  5. e Secrete Pepsinogen, which is converted to pepsin (a protease enzyme) that breaks down proteins by gastric acid.

5 Multiple choice questions

  1. The outer lining of the digestive tract, composed of simple squamous epithelium, and loose connective tissue.
  2. Ingestion, Mechanical processing, secretion, digestion, absorption, and excretion.
  3. Occurs when materials enter digestive tract via the mouth.
  4. G cells and Stem cells.
  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. How the Small Intestine Increases Surface Area?Plicae, Vili, and Microvilli.


  2. ExcretionThe chemical breakdown of food into smaller fragments.


  3. IleumFingerlike projections, which increase surface area.


  4. 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.


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


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