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Questions and Answers
Which cells secrete mucus in the stomach mucosa?
Which cells secrete mucus in the stomach mucosa?
- Mucous neck cells (Goblet) (correct)
- G cells
- Chief cells
- Oxyntic (parietal) cells
What is the primary role of chief cells in gastric glands?
What is the primary role of chief cells in gastric glands?
- Produce mucus
- Secrete pepsinogen & enzymes (correct)
- Produce somatostatin
- Secrete HCl
Where does HCl secretion occur in the parietal cells of the gastric glands?
Where does HCl secretion occur in the parietal cells of the gastric glands?
- Within the G cells
- In the cytoplasm
- In the antrum
- In the lumen of canaliculi (correct)
Which cells are responsible for secreting gastrin in the stomach mucosa?
Which cells are responsible for secreting gastrin in the stomach mucosa?
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What is the main function of enterochromaffin like cells in the stomach mucosa?
What is the main function of enterochromaffin like cells in the stomach mucosa?
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What is the purpose of the Na+-K+ ATPase pump in the gastric secretion?
What is the purpose of the Na+-K+ ATPase pump in the gastric secretion?
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Which of the following receptors is blocked by atropin?
Which of the following receptors is blocked by atropin?
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What is the primary function of HCl in protein digestion?
What is the primary function of HCl in protein digestion?
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What is the optimal pH range for pepsin activity?
What is the optimal pH range for pepsin activity?
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What is the function of intrinsic factor in the gastric secretion?
What is the function of intrinsic factor in the gastric secretion?
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