BackProton Pump Inhibitors (or PPIs) are some of the widely used drugs in the world and are prescribed for chronic heartburn/acid reflux. They work by inhibiting the movement of H+ ions across the membrane into the gastric juice, thereby lowering the concentration of HCl. As described, which cell of the gastric glands would you expect PPIs to affect?
A surgical procedure known as gastric bypass involves creating a small upper stomach pouch and attaching part of the small intestine to this pouch, “bypassing” the rest of the stomach and part of the duodenum.
Ms. Anthony has undergone gastric bypass. She goes out to dinner and eats an extremely large meal. Explain what will happen in her small and large intestines following this meal.
Troy Francis, a middle-aged salesman, complains of a burning pain in the 'pit of his stomach,' usually beginning about two hours after eating and abating after drinking a glass of milk. When asked to indicate the site, he points to his epigastric region. The GI tract is examined by X-ray fluoroscopy. A gastric ulcer is visualized, and drug therapy using a proton pump inhibitor and antibiotics is recommended.
a. Why is this treatment suggested?
b. What are the possible consequences of nontreatment?
A surgical procedure known as gastric bypass involves removing all or part of the stomach.
How would stomach removal affect absorption of vitamin B12? Explain.
Match the letter of the digestive organ shown in the figure with its function.
___ churning occurs here