5 Written Questions
5 Matching Questions
- Chief cells
- Abdominal Cavity
- 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.
- b Bordered by superiorly by the diaphragm, bordered inferiorly by the pelvic cavity, and lined by the peritoneum a serous membrane.
- c Fingerlike projections, which increase surface area.
- 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.
- e Secrete Pepsinogen, which is converted to pepsin (a protease enzyme) that breaks down proteins by gastric acid.
5 Multiple Choice Questions
- Deep to the mucosa, dense irregular connective tissue, and contains large blood vessels, large lymphatic vessels, and large nerves.
- Oral cavity, teeth, tongue, esophagus, liver, gallbladder, large intestine, salivary glands, pharynx, stomach, pancreas, and small intestine. From the mouth to the anus.
- 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.
- Secrete HCl (hydrochloric acid)- gastric acid.
- 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
Lamina Propria → The outer lining of the digestive tract, composed of simple squamous epithelium, and loose connective tissue.
General Organization of the Digestive Tract → Four major layers: from inside to outside: mucosa, submucosa, muscularis, and serosa.
Digestion → The chemical breakdown of food into smaller fragments.
Regions of Stomach → Storage 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.
Mucous cells → Secrete mucus for protection.