NURSING 326 DIGESTIVE-MCQs with answers

Nursing - NURSING 326 DIGESTIVE Food undergoes which of the following types of processing in the body? a. digestion b. absorption c. metabolism d. all of the above Which of the following processes does not occu ...

Nursing - NURSING 326 DIGESTIVE Food undergoes which of the following types of processing in the body? a. digestion b. absorption c. metabolism d. all of the above Which of the following processes does not occur in the digestive system exclusively? a. digestion b. absorption c. metabolism d. all of the above occur in the digestive system exclusively Which of the following is an accessory organ of the digestive system? a. salivary glands b. mouth c. pharynx d. both A and C above Which of the following is a main organ of the digestive system? a. liver b. stomach c. pancreas d. both B and C above The layer of the digestive tract that generates peristalsis is the: a. serosa b. muscularis c. submucosa d. mucosa The outermost layer of the digestive tract is the: a. serosa b. muscularis c. submucosa d. mucosa The layer of the digestive tract that contains blood vessels, nerves, and connective tissue is the: a. serosa b. muscularis c. submucosa d. mucosa Which structure prevents food and liquid from entering the nasal cavities above the mouth? a. soft palate b. frenulum c. vallate papillae d. both A and B above Enamel is found in the: a. root of the tooth b. crown of the tooth c. neck of the tooth d. all of the above Dentin is found in the: a. root of the tooth b. crown of the tooth c. neck of the tooth d. all of the above The largest of the salivary glands is the: a. sublingual gland b. parotid gland c. submaxillary gland d. submandibular gland Because of its location, the pharynx can be considered part of the: a. digestive system b. musculoskeletal system c. respiratory system d. both A and C above The term “tricuspids” refers to these types of teeth: a. incisors b. canines c. premolars d. molars The part of the stomach to the left and above the opening of the esophagus into the stomach is the: a. pylorus b. fundus c. body d. rugae The part of the stomach that joins with the small intestine is the: a. pylorus b. fundus c. body d. rugae The part of the stomach that joins with the small intestine is the: a. pylorus b. fundus c. body d. rugae Which of the following structures does not help to increase the absorptive surface area of the small intestine? a. villi b. plicae c. lacteal d. microvilli The sequence of sections of small intestine through which food passes would be: a. duodenum, jejunum, ileum b. duodenum, ileum, jejunum c. jejunum, ileum, duodenum d. jejunum, duodenum, ileum In which part of the small intestine does most of the chemical digestion occur? a. ileum b. jejunum c. duodenum d. both A and C above Which of the following statements is correct? a. The cystic duct drains bile from the liver. b. The cystic duct and hepatic duct join to form the common bile duct. c. The hepatic duct connects the gallbladder and the small intestine. d. Both A and C above The function of bile is to: a. chemically digest fat b. emulsify fat c. remove cholesterol from the body d. both B and C above At the hepatic flexure, the: a. transverse colon becomes the descending colon b. descending colon becomes the transverse colon c. ascending colon becomes the transverse colon d. ascending colon becomes the descending colon At the splenic flexure, the: a. transverse colon becomes the descending colon b. descending colon becomes the sigmoid colon c. ascending colon becomes the transverse colon d. ascending colon becomes the descending colon the vermiform appendix: a. produces enzymes that assist in fat digestion b. gets its name because it looks like a worm c. is important in the reabsorption of bile d. none of the above Which of the following is an extension of the peritoneum? a. mesentery b. cecum c. the greater omentum d. both A and C above Enzymes are important in: a. mechanical digestion b. deglutition c. chemical digestion d. both A and C above Amylase is made in the: a. salivary glands b. stomach c. pancreas d. both A and C above The end product of amylase digestion is usually: a. glucose b. lactose c. maltose d. fructose The most abundant end product of carbohydrate digestion is: a. maltose b. glucose c. lactose d. sucrose Maltase and sucrase are made in the: a. small intestine b. pancreas c. stomach d. liver Protein digestion begins in the: a. mouth b. stomach c. small intestine d. large intestine In the stomach: a. pepsin converts hydrochloric acid to pepsinogen b. pepsin converts pepsinogen to hydrochloric acid c. hydrochloric acid converts pepsinogen to pepsin d. hydrochloric acid converts pepsin to pepsinogen Trypsin: a. is important in protein digestion b. works in the stomach c. is made in the liver d. all of the above Protein digestion: a. end products are amino acids b. uses peptidase made in the small intestines c. uses trypsin made in the pancreas d. all of the above Fat digestion begins in the: a. mouth b. stomach c. small intestine d. large intestine Bile: a. causes the emulsification of fat b. is made in the liver c. works in the small intestine d. all of the above Lipase: a. is made in the pancreas b. is stored in the gallbladder c. converts fatty acid and glycerol to fats d. all of the above The movement of digested food from the digestive system to the circulating fluid is called: a. digestion b. deglutition c. absorption d. peristalsis Which of the following processes is not considered an example of mechanical digestion? a. the teeth chewing food b. the stomach churning food c. amylase acting on food in the mouth d. bile acting on food in the small intestine The layers of the digestive tract from the inside (lumen) to the outside are: a. submucosa, mucosa, muscularis, serosa b. mucosa, submucosa, muscularis, serosa c. mucosa, submucosa, serosa, muscularis d. mucosa, serosa, submucosa, muscularis Canine teeth are sometimes called: a. cuspids b. incisors c. bicuspids d. tricuspids The tube that drains bile from the liver is the: a. common bile duct b. cystic duct c. hepatic duct d. major duodenal papillae The tube that drains bile from the gallbladder is the: a. common bile duct b. cystic duct c. hepatic duct d. major duodenal papillae Which of the following substances is absorbed by the large intestine? a. salts b. vitamin K c. water d. all of the above Which of the following substances is absorbed into the blood capillaries of the intestinal villi? a. amino acids b. fatty acids c. glycerol d. all of the above The length of the gastrointestinal tract in an adult is about a. 9 feet b. 19 feet c. 29 feet d. 39 feet Which of the following is not true of the gastrointestinal tract? a. It is about 9 feet long in adults. b. It is also called the alimentary canal. c. The material in the gastrointestinal tract is considered to be outside the body. d. All of the above are true of the gastrointestinal tract. Which of the following is not considered a main part of the tooth? a. root b. cuspid c. crown d. neck The ducts that carry secretion from the pancreas empty into which part of the digestive tract? a. stomach b. duodenum c. ileum d. jejunum Which of the following is not a function of the pancreas? a. produces enzymes that digest proteins b. produces proteins that digest fat c. produces a substance that neutralizes hydrochloric acid produced in the stomach d. All of the above are functions of the pancreas. Match each of the terms with its definition or description. a. liver k. pylorus b. gallbladder l. duodenum c. mucosa layer m. ileum d. mesentery n. pancreas e. muscularis layer o. transverse colon f. serosa layer p. peristalsis g. ascending colon q. vermiform appendix h. salivary glands r. villi i. esophagus s. descending colon j. fundus t. jejunum . _____ Part of the digestive tract wall that generates peristalsis _____ Gland that produces lipase and trypsin _____ Part of the small intestine that connects to the stomach; where most of the chemical digestion takes place _____ Submandibular, sublingual, and parotid are all this type of gland _____ Structure that concentrates and stores bile _____ Innermost layer of the wall of the digestive tract _____ Part of the large intestine that is between the cecum and hepatic flexure _____ An extension of the peritoneum _____ Part of the small intestine that joins with the large intestine _____ Part of the stomach that joins with the small intestine _____ Tube that leads from the pharynx to the stomach _____ Gland that produces bile _____ Outermost layer of the wall of the digestive tract _____ Part of the large intestine between the splenic and hepatic flexures _____ Part of the stomach that is to the left and above where the esophagus opens into the stomach _____ Tiny finger-like projections that help absorb food in the small intestine _____ A worm-like tubular structure that is attached to the cecum of the large intestines _____ Muscle contractions that propel food through the digestive tract _____ Part of the small intestine into which food enters when it leaves the duodenum _____ Part of the colon that lies between the splenic flexure and the sigmoid colon Match each of the terms with its definition or description. a. digestion i. glycerol b. absorption j. amino acids c. amylase k. mastication d. bile l. lactase e. maltase m. hydrochloric acid f. lipase n. trypsin g. pepsin o. deglutition h. monosaccharides p. sucrase _____ Causes the emulsification of fats _____ Enzyme that reduces complex carbohydrates to maltose _____ This and fatty acids are the end products of fat digestion _____ Enzyme that converts maltose to simple sugars _____ Enzyme that is responsible for the chemical digestion of fats _____ Movement of digested food from the digestive system to the blood or lymph _____ End product of carbohydrate digestion _____ A protein enzyme that must be activated by hydrochloric acid in the stomach _____ End product of protein digestion