What is the primary enzyme responsible for acid secretion in the apical plasma membrane of gastric parietal cells?

H+,K+-ATPase (the proton pump).

Which three physiological stimuli regulate acid secretion by binding to receptors on the basolateral membrane of parietal cells?

Histamine, acetylcholine, and gastrin.

What is the primary function of the aqueous (bicarbonate) component of pancreatic juice?

Neutralization of gastric acid in the duodenum.

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Gastrointestinal Pacemaker Activity and Ionic Transport Mechanisms

Gastroenterology65 cardsAdvancedEnglish

A flashcard deck with 65 cards in gastroenterology, made by Prognia.

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Comprehensive deck covering gastrointestinal pacemaker activity, ionic transport mechanisms in gastric and pancreatic secretion, hepatic function, and related pathophysiology. Includes detailed coverage of H+/K+-ATPase function, pancreatic bicarbonate secretion, interstitial cells of Cajal, GI hormones, and liver metabolism.