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Practice Quizzing
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1Which of the following is NOT a function of the digestive system?
A)absorption of water, electrolytes, and other nutrients
B)break down of food to smaller molecules
C)take in food
D)All of these are functions of the digestive system.



2Which of the following is NOT part of the digestive tract?
A)esophagus
B)small intestine
C)spleen
D)pharynx



3Which of the following is the digestive tract tunic that has blood vessels, nerves, and small glands?
A)muscularis
B)serosa or adventitia
C)mucosa
D)submucosa



4Which of the following statements is NOT correct?
A)Enteric motor neurons control smooth muscle contraction in the digestive tract.
B)Enteric interneurons control the movement of food in the digestive tract.
C)Enteric sensory neurons detect stretch of the digestive tract wall.
D)Enteric interneurons connect the enteric sensory and motor neurons.



5Which is the mesentery that extends from the greater curvature of the stomach and is also called the fatty apron?
A)greater omentum
B)pleura
C)falciform ligament
D)lesser omentum



6Which of the following are the three parts of the tooth?
A)head, neck, root
B)crown, neck, root
C)head, body, root
D)None of the choices are correct.



7Which of the following is NOT a salivary gland?
A)suboral glands
B)parotid glands
C)sublingual glands
D)submandibular glands



8What is the condition in which the diaphragm opening for the esophagus enlarges and the stomach protrudes into the thoracic cavity?
A)GERD
B)peptic ulcer
C)gastric ulcer
D)hiatal hernia



9In which phase of swallowing does the epiglottis cover the opening of the larynx?
A)pharyngeal phase
B)voluntary phase
C)esophageal phase
D)laryngeal phase



10When food leaves the esophagus, which part of the stomach does it first enter?
A)body
B)pyloric
C)cardiac
D)fundus



11Which of the following is the part of the stomach that connects with the small intestine?
A)body
B)pyloric
C)cardiac
D)fundus



12What substance is secreted by the parietal cells of the gastric glands?
A)pepsinogen
B)mucus
C)hydrochloric acid
D)gastrin



13What substance is secreted by the chief cells of the gastric glands?
A)pepsinogen
B)hydrochloric acid
C)gastrin
D)mucus



14What is the semi-fluid mass of food that is found in the stomach?
A)chyle
B)bolus
C)feces
D)chyme



15Which function of a component of gastric juice is NOT correctly matched?
A)mucus (--) protects and lubricates
B)hydrochloric acid (--) converts pepsinogen into pepsin
C)pepsin (--) digests proteins
D)intrinsic factor (--) helps calcium absorption in the small intestine



16Which phase of gastric secretion is correctly matched with its stimulation?
A)gastric phase (--) movement of chyme into the duodenum
B)cephalic phase (--) smell and taste of food
C)gastrointestinal phase (--) presence of food in the stomach
D)All of the choices are correctly matched.



17Which of the following is NOT a part of the small intestine?
A)ileum
B)pylorus
C)duodenum
D)jejunum



18Which of the following is an accessory gland associated with the duodenum?
A)liver
B)gall bladder
C)pancreas
D)All of the choices are correct.



19What structure does chyme enter when it leaves the stomach?
A)duodenum
B)ileum
C)pylorus
D)jejunum



20Which of the following is NOT a part of the portal triad?
A)branches of the hepatic artery
B)hepatic ducts
C)branches of the hepatic portal vein
D)All of the choices are part of the portal triad.



21Which of the following is a function of the liver?
A)production of digestive enzymes
B)storage of calcium
C)detoxification of harmful substances
D)All of the choices are correct.



22Which of the following describes the blood in the hepatic portal vein?
A)oxygen-rich, nutrient-rich
B)oxygen-rich, nutrient-poor
C)oxygen-poor, nutrient-poor
D)oxygen-poor, nutrient-rich



23Which of the following is the effect of the release of secretin on the liver and/or gall bladder?
A)gall bladder relaxes
B)sphincter of the common bile duct relaxes
C)liver secretes bile
D)All of the choices are correct.



24Which of the following is NOT an enzyme produced by the pancreas?
A)trypsin
B)amylase
C)chymotrypsin
D)All of the choices are produced by the pancreas.



25Which of the following is the effect of the release of cholecystokinin on the pancreas?
A)pancreas releases more enzymes in the pancreatic juice
B)pancreas increases motility
C)pancreas releases more bicarbonate in the pancreatic juice
D)pancreas releases insulin



26Which of the following is NOT part of the large intestine?
A)rectum
B)ileum
C)colon
D)cecum



27Which of the following are needed to digest carbohydrates?
A)amylase and pepsin
B)lipase and bile salts for emulsification
C)amylase and intestinal disaccharidases
D)pepsin or trypsin and peptidase



28Which of the following are needed to digest lipids?
A)amylase and pepsin
B)bile salts and lipase
C)amylase and disaccharidases
D)pepsin or trypsin and peptidase



29Which of the following are the form of lipids that are absorbed into the lacteals?
A)chylomicrons
B)VLDL
C)micelles
D)HDL



30Which of the following are needed to digest proteins?
A)amylase and pepsin
B)lipase and bile salts for emulsification
C)amylase and disaccharidases
D)pepsin, trypsin, and peptidase



31The parietal peritoneum is the serous membrane that covers the surface of the digestive tract.
A)True
B)False



32The parotid salivary gland is in front of the ear.
A)True
B)False



33An adult has 36 permanent teeth.
A)True
B)False



34The periodontal ligament secures a tooth into the alveolus or socket.
A)True
B)False



35Mastication is another term that means swallowing.
A)True
B)False



36Saliva contains the enzyme maltase.
A)True
B)False



37Sympathetic stimulation of the salivary glands will result in decreased saliva production.
A)True
B)False



38Deglutition occurs when one passes gas.
A)True
B)False



39The stomach has large folds of the mucosa and submucosa called rugae.
A)True
B)False



40Cholecystokinin increases gastric secretions in the stomach.
A)True
B)False



41Most absorption of nutrients occurs in the ileum.
A)True
B)False



42Disaccharidase breaks down disaccharides into monosaccharides.
A)True
B)False



43Peptidase breaks down peptides or proteins into amino acids.
A)True
B)False



44Peristalsis in the small intestine is responsible for intestinal mixing.
A)True
B)False



45Waste in the large intestine moves through the colon in the following order: descending, transverse, ascending, and sigmoid colon.
A)True
B)False







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