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Gastric Acid Secretion and Stomach Anatomy Quiz

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Gastric Acid Secretion and Stomach Anatomy Quiz

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Questions and Answers

Which cell type is responsible for secreting mucus and bicarbonate ions?

Enterochromaffin-like (ECL) cells

Parietal cells

Mucous cells (correct)

Gastric gland cells

What is the primary source of gastric acid secretion in the stomach?

Histamine release from ECL cells

H+/K+ ATPase in the apical membrane of parietal cells (correct)

Acetylcholine release from parasympathetic nervous system

Gastrin release from enterochromaffin-like (ECL) cells

What stimulates the release of histamine from ECL cells, which in turn stimulates acid secretion?

Acetylcholine

Mucus secretion

Gastrin (correct)

Bicarbonate ions

What is the net result of the stimulation of ECL cells by both acetylcholine and gastrin?

<p>Increased histamine release</p> Signup and view all the answers

Which nervous system is involved in the food-related stimulus to increase the rate of acid secretion in the stomach?

<p>Parasympathetic and enteric nervous systems</p> Signup and view all the answers

Gastric Acid Secretion and Stomach Anatomy Quiz

Choose a study mode

Podcast

Questions and Answers

Which cell type is responsible for secreting mucus and bicarbonate ions?

What is the primary source of gastric acid secretion in the stomach?

What stimulates the release of histamine from ECL cells, which in turn stimulates acid secretion?

What is the net result of the stimulation of ECL cells by both acetylcholine and gastrin?

Which nervous system is involved in the food-related stimulus to increase the rate of acid secretion in the stomach?

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