What is the structure found in the small intestine that contains blood and lymph supply? 1. Microvilli 2. Plicae 3. Rugae 4. Villi Which of the following is a description of chyme? a. The semisolid mass of undigested food which passes through the Ileocecal valve b. A semiliquid mass of partially digested food released by the stomach into the intestines c. The mixture of pancreatic juices containing enzymes for digestion of the macronutrients d. A thick, viscous material synthesized by mucosal cells for protection against digestive juices What is the largest section of the small intestine? a. Ileum b. Duodenum c. Jejunum The term for the open space inside the digestive tract is called the ... 1. Lumen 2. Hole 3. Foramen 4. Canal Which hormone is stimulated by food, presence of fat and protein in the duodenum? a. Cholecystokinin (CCK) b. Salivary Amylase c. Secretin d. Pepsinogen e. None of the above The term for movement of nutrients into the cells of the small intestine is called 1. Digestion 2. Bolus 3. Chyme 4. Absorption
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The thick, soupy liquid of partially digested food that leaves the stomach is called a. chyme. b. lipase. c. lacteal. d. chyme. e. pepsin. 2. Which of the following is not a direct function of the digestive system? a. to eliminate indigestible remains b. to protect against pathogens c. to absorb nutrient molecules d. to digest food into small nutrients so that the molecules can pass through membranes e. to ingest food 3. What does the large intestine do? a. Mixes food with pancreatic enzyme b. Breaks down proteins and fats c. Storage of feces, reabsorption of water d. Site of most nutrient absorption e. Mixes bolus of food in an acidic environment to form chyme 4. What enzyme begins the process of starch digestion in the mouth? a. salivary lipase b. salivary sucrase c. salivary amylase d. salivary lactase e. salivary protease 5. Which is the correct order that food passes through the small intestine? a. Duodenum, Jejunum, ileum b. Jejunum, ileum, duodenum c. Cecum, ascending colon, transverse colon d. Sigmoid colon, rectum, anus 6. What serves as an emulsifying agent for fats in the small intestine? a. maltase b. bile c. pepsin d. amylase e. lipase
Maitreya E.
1. Which of the following accessory organs secretes enzymes to digest all food types? a. Stomach b. Liver c. Gallbladder d. Esophagus e. Pancreas 2. Where does chemical digestion of lipids begin? a. Mouth b. Stomach c. Esophagus d. Mouth e. Small Intestine 3. Which of the following is not a function of the liver? a. It helps regulate blood cholesterol levels. b. It produces bile. c. It removes iron and certain vitamins from the blood and stores them. d. It removes poisonous substances from the blood and detoxifies them. e. It secretes digestive enzymes into the small intestine. 4. The propelling movements of the digestive system are called a. Mastication b. Pylorostosis c. Peristalsis d. Enteritis 5. Where does chemical digestion of carbohydrates begin? a. Small Intestine b. Mouth c. Stomach d. Large Intestine e. Esophagus 6. _________________ begins in the mouth with chewing or mastication and continues with churning and mixing actions in the stomach. a. Ingestion b. Chemical digestion c. Absorption d. Mechanical digestion 7. Which accessory organ of the digestive system will process and store nutrients as well as producing bile for emulsification? a. Stomach b. Pancreas c. Liver d. Gallbladder e. Small intestine
Yanni D.
Match each structure with its description. gallbladder large intestine liver small intestine stomach pancreas gastrovascular cavity a. makes bile, stores glycogen b. compacts undigested residues c. secretes enzymes, buffer d. receives bile and pancreatic enzymes e. secretes gastric fluid f. saclike gut g. stores, secretes bile
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