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5 Written questions

5 Matching questions

  1. Peristalsis
  2. Serosa
  3. Microvilli
  4. Lamina Propria
  5. Functions of the Small Intestine
  1. a Plays a key role in digestion and absorption of nutrients, and 90% of nutrient absorption occurs here.
  2. b Waves 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.
  3. c Deep to the epithelial layer, loose connective tissue, and contains small blood vessels, small lymphatic vessels and lymphoid tissue, and small sensory and motor nerves.
  4. d Columnar epithelial cell lining the villi contain this, which increase surface area.
  5. e The outer lining of the digestive tract, composed of simple squamous epithelium, and loose connective tissue.

5 Multiple choice questions

  1. Contains sensory neurons that sense muscle stretch, motor neurons (sympathetic and parasympathetic) that coordinate peristalsis, and innervates this muscular layer.
  2. G cells and Stem cells.
  3. Duodenum, Jejunum, and Ileum.
  4. Mucous cells, Parietal cells, and Chief cells.
  5. 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 True/False questions

  1. Muscularis MucosaeTwo 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.

          

  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. 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.

          

  4. PharynxA 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.

          

  5. DigestionThe chemical breakdown of food into smaller fragments.