Digestion Quiz PDF

Quiz 2: Digestion (Semi-Final Period) ===================================== Name: \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ Section: \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ Score: \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ I - Multiple Choice. Choose the best...

Quiz 2: Digestion (Semi-Final Period) ===================================== Name: \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ Section: \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ Score: \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ I - Multiple Choice. Choose the best answer. ENCIRCLE only the letter of your choice. NO ERASURE, NO ALTERATIONS on all items. 1\. The following are accessory organs in digestion, except:\ A. liver\ B. tongue\ C. mouth\ D. teeth 2\. That main organ of the gastrointestinal tract where the mechanical process occurs:\ A. tongue\ B. large intestine\ C. stomach\ D. small intestine 3\. It is an enzyme found in the mouth that digests carbohydrates:\ A. lingual lipase\ B. salivary amylase\ C. pancreatic amylase\ D. none of these 4\. A wavelike motion in the propulsion of the bolus:\ A. segmentation\ B. haustral churning\ C. mastication\ D. peristalsis 5\. The following are protein enzymes found in the small intestine, except:\ A. pepsin\ B. trypsin\ C. chymotrypsin\ D. elastase 6\. A movement of water concentration across a semi-permeable membrane from a region of higher water concentration to a region of lower water concentration:\ A. diffusion\ B. osmosis\ C. primary active transport\ D. secondary active transport 7\. A movement of substances across a semi-permeable membrane from a region of lower concentration to higher concentration:\ A. diffusion\ B. osmosis\ C. primary active transport\ D. secondary active transport 8\. It is a catabolic process necessary for macroscopic food into a molecule that is small enough to be absorbed in the body's system:\ A. ingestion\ B. secretion\ C. mixing and propulsion\ D. digestion 9\. An accessory of the mouth that helps in churning the food:\ A. teeth\ B. tongue\ C. salivary gland\ D. salivary amylase 10\. Digestion in the mouth undergoes:\ A. mechanical process only\ B. chemical process only\ C. A & B\ D. none of the above 11\. The soft solid that is swallowed is known from the mouth as:\ A. chyme\ B. carbohydrate\ C. bolus\ D. proteins 12\. A sphincter that connects the stomach and duodenum:\ A. pyloric sphincter\ B. upper esophageal sphincter\ C. ileocecal sphincter\ D. lower esophageal sphincter 13\. Enzyme found in the stomach that is activated in the secretion of HCl:\ A. carbohydrate enzyme\ B. triglyceride enzyme\ C. protein enzyme\ D. none of these 14\. The following are brush border enzymes, except:\ A. salivary amylase\ B. maltase\ C. sucrase\ D. lactase 15\. The bacteria in the large intestine can do the following, except:\ A. ferment the remaining carbohydrates\ B. absorb water in the large intestine\ C. Synthesizd vitamins A and B\ D. Converts proteins into indole and skatole 16\. All of the following are true about carbohydrate digestion, except:\ A. Starch and glycogen are converted to maltose and dextrin by the enzyme salivary amylase.\ B. Little digestion of carbohydrates takes place because of the pH of the stomach is far below the optimum pH of gastric lipase.\ C. The stomach contains no enzymes that can hydrolyze carbohydrates so no digestion of carbohydrates occurs.\ D. Carbohydrates are converted to simpler molecules by pancreatic amylase and maltase. 17\. Which of the following is not true about protein digestion?\ A. Digestion of protein begins in the stomach.\ B. Digestion of the protein is completed in the small intestine.\ C. Enzymes like trypsin and chymotrypsin help digest proteins.\ D. Proteins do not require enzymes for digestion. 18\. Movement of fat through the body after absorption involves the following steps, except:\ A. Absorbed fats are stored immediately in fat cells.\ B. Absorbed fats travel through the lymphatic system.\ C. Fats are carried by lipoproteins in the blood.\ D. Fats are metabolized into energy or stored. 19\. Which of the following is correct about fat absorption?\ A. Fats require the production of bile salts to move into the bloodstream.\ B. Fats travel directly into the blood after digestion.\ C. Fats are absorbed into the lymphatic system.\ D. Fats enter the small intestine from the stomach. 20\. Phospholipids in digestion:\ A. Help with the absorption of fats.\ B. Provide energy directly to the body.\ C. Assist in the digestion of proteins.\ D. Are broken down into monosaccharides. Answer Key: 1\. A 2\. C 3\. B 4\. D 5\. A 6\. B 7\. C 8\. D 9\. B 10\. C 11\. C 12\. A 13\. C 14\. A 15\. C 16\. B 17\. D 18\. A 19\. C 20\. A