Gastrointestinal System — Flashcards

Phase _____ of MMC is characterized by bursts of regular activity

Slow waves of the GI tract are produced via cyclic opening of _____ channels (depolarization), followed by opening of K+ channels (repolarization)

Increased Cl- secretion from CFTR due to cholera toxin results in decreased _____ absorption, thus H2O diffuses into the intestinal lumen

Cholecystokinin secretion is stimulated by _____ and amino acids

_____ is secreted from S cells in the duodenum

Pepsinogen is secreted in response to _____ and local H+

Vagal stimulation increases H+ secretion directly via binding of _____ to M3 receptors on parietal cells

Acute gastritis may arise with increased _____ due to increased vagal stimulation, which increases H+ production

Gastrin secretion is _____ by high pH of gastric contents

_____ is secreted from I cells in the duodenum and the jejunum