TEST BANK KRAUSE FOOD NUTRITION CARE PROCESS 13TH EDITION MAHAN ESCOTT-STUMP

Mahan: Krause's Food and the Nutrition Care Process, 13th Edition Test Bank Chapter 1: Digestion, Absorption, Transport, and Excretion of Nutrients MULTIPLE CHOICE 1. Absorption occurs in the stomach for which of the following nutrients? a. Vitamins b. Carbohydrates c. Minerals d. Alcohol ANS: D The stomach is the site of digestion of small amounts of lipid and protein. Large proteins are broken down into peptides. Otherwise, the stomach breaks down food into smaller particles and passes it into the small intestine, where absorption of all nutrients EXCEPT alcohol takes place. Alcohol is absorbed through the stomach. REF: p. 2 2. Pepsinogen is converted to pepsin when it comes in contact with a. enterokinase. b. trypsinogen. c. hydrochloric acid. d. peptidases. ANS: C Pepsinogen is secreted in the stomach and converted to its active form by the acid environment of the stomach. Enterokinase is secreted by the brush border of the small intestine in response to presence of chyme. Trypsinogen is secreted by the pancreas and activated by enterokinase. Various peptidases are secreted by either brush border or the pancreas. REF: p. 5 3. What is the function of enterogastrone? a. Inhibits carbohydrate digestion b. Enhances carbohydrate digestion c. Enhances protein digestion d. Inhibits gastric secretion and motility