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5 Written Questions

5 Matching Questions

  1. Chief cells
  2. Abdominal Cavity
  3. Muscularis
  4. Villi
  5. Pharynx
  1. a 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.
  2. b Bordered by superiorly by the diaphragm, bordered inferiorly by the pelvic cavity, and lined by the peritoneum a serous membrane.
  3. c Fingerlike projections, which increase surface area.
  4. d 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.
  5. e Secrete Pepsinogen, which is converted to pepsin (a protease enzyme) that breaks down proteins by gastric acid.

5 Multiple Choice Questions

  1. Deep to the mucosa, dense irregular connective tissue, and contains large blood vessels, large lymphatic vessels, and large nerves.
  2. Oral cavity, teeth, tongue, esophagus, liver, gallbladder, large intestine, salivary glands, pharynx, stomach, pancreas, and small intestine. From the mouth to the anus.
  3. 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.
  4. Secrete HCl (hydrochloric acid)- gastric acid.
  5. Mechanical processing: Through actions of teeth and tongue, lubrication: mixing with salivary gland secretions, and some digestion: saliva contains amylase (enzyme that breaks down starches), and lipase (enzyme that breaks down lipids).

5 True/False Questions

  1. Lamina PropriaThe outer lining of the digestive tract, composed of simple squamous epithelium, and loose connective tissue.


  2. General Organization of the Digestive TractFour major layers: from inside to outside: mucosa, submucosa, muscularis, and serosa.


  3. DigestionThe chemical breakdown of food into smaller fragments.


  4. Regions of StomachStorage 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.


  5. Mucous cellsSecrete mucus for protection.


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