Concept explainers
Which of these statements about trypsin is true?
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Human Physiology
- The primary function of the large intestine is to concentrate wastes into solid form (feces) for release from the body. How does it accomplish this? a. By adding additional cells from the mucosal layer b. By absorbing water c. By releasing salt d. All of these are methods used by the large intestine.arrow_forwardWhat affect does hydrochloric acid have on pespinogen? A.Causes pepsinogen to become lipase B.Causes pepsinogen to become pepsin C.Causes a positive feedback loop to add more HCl D.Causes ulcersarrow_forwardMany species of hindgut fermenters, including horses, eat their feces to a greater extent when they have protein insufficiency than when they have plenty of protein. How might increased fecal consumption help?arrow_forward
- Which hormone signals the release of bile? A. secretin B. cholescystokinin (CCK) C. gastrin D. amylasearrow_forwardThe small intestine secretes CCK to a) assist in the breakdown of fats b) stimulate release of pancreatin c) increase bile storage d) inhibit gastrin synthesis through negative feedback e) counteract the presence of secretinarrow_forwardWhich event occurs in the small intestine? a The continuation of fat digestion b The beginning of chemical digestion c The continuation of protein digestion d Mechanical digestion of food e The beginning of carbohydrate digestionarrow_forward
- Which part of the body secretes ghrelin? A. The duodenum B. The fat cells C. The stomach D. The liverarrow_forwardDescribe the location of hepatocytes in the liver andhow this arrangement enhances their function.arrow_forwardWrite down the chemical mechanism of HCl formation in the digestive system.arrow_forward
- Which of the following might be true of an individual unable to synthesize and secrete intrinsic factor? a. They would be unable to absorb adequate amounts of vitamin B12. b. They would be unable to digest lactose found in dairy products. c. They would be unable to absorb amino acids in the small intestine. d. They would be unable to digest and absorb triglyceridesarrow_forwardWhy does not the stomach break itself down? a) The stomach wall does not consist of protein so it is not affected by proteolytic enzymes b) The epithelial cells form a protective layer c) The breakdown enzymes are not strong enough to break down the stomach wall d) The stomach wall is protected by mucusarrow_forward
- Essentials of Pharmacology for Health ProfessionsNursingISBN:9781305441620Author:WOODROWPublisher:Cengage
- Human Physiology: From Cells to Systems (MindTap ...BiologyISBN:9781285866932Author:Lauralee SherwoodPublisher:Cengage Learning