7. Chylomicrons are absorbed from the intestines into the: a. Hepatic Portal Vei

Question

7. Chylomicrons are absorbed from the intestines into the: a. Hepatic Portal Vein b. Hepatic Artery c. Lymphatic system d. Myenteric plexus 8. Which of the following is TRUE? a. The hepatic portal vein transports water-soluble vitamins, amino acids and monosaccharides from the small intestine to the liver b. The lymphatic system transports water-soluble vitamins, amino ac monosaccharides from the small intestine to the liver c. The hepatic portal vein transports lipids from the small intestines to the live Which of the following is TRUE about the stomach? a. It contains 3 layers of smooth muscle that contract to mechanically break up food and 9. propel food forward by peristalsis b. It contains gastric glands that secrete Gastrin hormone into the stomach c. Only gastric distention due to stimulation of stretch receptors causes gastric motility 10. How does a proton pump inhibitor work? a. It bonds to and blocks H2 receptors on parietal cells b. It blocks the active transport of Hydrogen protons from parietal cells into the stomach c. It blocks secretions of chief cells 11. How does a H2 blocker prevent gastric secretion of HCI? a. It blocks the primary active transport of Hydrogen from parietal cells b. It prevents Histamine from binding to H2 receptors on parietal cells c. It blocks Histamine secretion from enterochromaffin like cells 12. Which of the following is NOT a function of pancreatic bicarbonate? a. It buffers gastric acid entering into the intestines b. It provides an alkaline pH for the intestinal and pancreatic enzymes c. It stimulates the secretion of pancreatic enzymes 13. Fat digestion would occur fastest in which of the following test tube. (the tubes indicate the ORIGINAL contents) a. Test tube 1: Originally contained vegetable oil, lipase and HCO3 (bicarbonate) b. Test tube 2: Originally contained vegetable oil, lipase, bile and HCO3 (bicarbonate) c. Test tube 3: Originally contained vegetable oil, lipase, bile and HCI

Explanation / Answer

7. c. Chylomicrons are first absorbed into lymphatic system and then transported to villi.

8. a. Hepatic portal vein transport water soluble vitamins and nutrients from small intestine to liver.

9. a. Only stomach contains three layers of smooth muscle and these gastric layers helps in breakdown of food.

10. c. Proton pump inhibitors work by blocking the enzyme responsible for production of acid.

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