Exam 18: The Digestive System

The liver will detoxify ammonia by converting it into

Amino acids and peptides in the stomach lumen stimulate acid secretion during the ________ phase of gastric secretion.

Bile is produced by the gallbladder.

Lipid digestion and absorption requires the coordinated actions of ______ and ____.

Zymogens are inactive forms of __________ enzymes.

The process of waste removal is called

Dipeptides and tripeptides are absorbed into intestinal cells and then hydrolyzed into free amino acids.

Where does the bicarbonate secreted by the pancreas come from?

Damage to which of the following nerves would reduce GI secretions?

Jaundice caused by the bile duct blocked by gallstones is created by high blood levels of

__________ stimulates ECL cells to secrete histamine which stimulates HCl release from parietal cells.

Mutating the gene encoding for the H⁺/K⁺ ATPase would block gastric HCl secretion.

What is the function of enterokinase secreted by the brush border?

Protection against atherosclerosis is believed to be associated with an

Venous and arterial blood mix in a liver lobule.

Bile is derived from cholesterol.

Which of the following zymogens is activated by trypsin in the small intestine?

GIP both inhibits gastric motility and increases the release of insulin from the pancreas.

Bile is produced by

Drugs such as Zantac and Tagamet helps to gastritis and ulcers by