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Subjects:science, anatomy & physiology ii, digestive system, life sciences, human anatomy & physiology

When we ingest large molecules such as lipids, carbohydrates, and proteins, they mustundergo catabolic reactions whereby enzymes split these molecules. This series of reactions iscalled ________.

You are watching: In addition to storage and mechanical breakdown of food, the stomach ________.


From the esophagus to the anal canal, the walls of every organ of the alimentary canal aremade up of the same four basic layers. Arrange them in order from the lumen.


The plicae circulares and intestinal villi are found in which of the four layers of the alimentarytube wall?


The absorptive effectiveness of the small intestine is enhanced by increasing the surface area ofthe mucosal lining. Which of the following accomplish this task?


Gastrin, histamine, endorphins, serotonin, cholecystokinin, and somatostatin are hormones orparacrines that are released directly into the lamina propria. Which of the following cell typessynthesize and secrete these products?


Gastrin is a digestive hormone that is responsible for the stimulation of acid secretions in thestomach. These secretions are stimulated by the presence of ________.


You have just eaten a meal high in complex carbohydrates. Which of the following enzymeswill help to digest the meal?


The ducts that deliver bile and pancreatic juice from the liver and pancreas, respectively, uniteto form the ________.


Short-chain triglycerides found in foods such as butterfat molecules in milk are split by aspecific enzyme in preparation for absorption. Which of the following enzymes is responsible?


The ________ contains lobules with sinusoids (lined with macrophages) that lead to a centralvenous structure


If an incision has to be made in the small intestine to remove an obstruction, the first layer of tissue to be cut is the ________.


B) produce mucus that protects parts of the digestive organs from the effects of powerfulenzymes needed for food digestion


A fluid secreted into the small intestine during digestion that contains cholesterol,emulsification agents, and phospholipids is ________.


The layer of the digestive tube that contains blood vessels, lymphatic nodes, and a rich supplyof elastic fibers is the ________.


C) If intact proteins are transported across the villus epithelium, an immune response maybe generated.


You have just eaten french fries, buttered toast, ice cream, and whole milk. Which of thefollowing glands would be active in helping you to digest this food?


A baby is admitted to the hospital with a history of projectile vomiting after each feeding. Onexamination, it is found that the sphincter controlling food passage from the stomach to theduodenum is thickened and does not open readily. Because of the babyʹs loss of gastric juice,his blood probably indicates ________.

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There are some 20 known pathogens found in the large intestine; our Ig ________antibody-mediated response restricts them from going beyond the mucosa and causingproblems.