10 Questions
The Antrum itself secretes acid.
False
G cells release Gastrin.
True
Increased pH in the stomach stimulates gastrin release.
False
The Parasympathetic Nervous System (PSNS) is activated by the sensing of food and gastric distension.
True
Histamine decreases cAMP in the parietal cell.
False
Prostaglandin inhibits the action of __________ on the parietal cells.
False
Duodenal distension slows digestion to prevent damage due to duodenal __________.
False
Gastric acid secretion is inhibited when the stomach pH is __________ enough to digest food.
False
VIP helps to __________ digestion when there is too much peristalsis.
False
GIP is released in response to nutrients in the duodenum to release __________ and absorb them into the cells.
False
Test your knowledge on the physiology of the stomach and duodenum, with a focus on how the antrum regulates acid secretion. Explore the role of G cells, enterogastric reflex, and the release of gastrin in maintaining the acid balance within the stomach.
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