Quiz 2: Digestion (Semi-Final Period) 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.