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Which of the following statements is not correct?

1. Goblet cells are present in the mucosa of intestine and secrete mucus
2. Oxyntic cells are present in the mucosa of stomach and secrete HCl
3. Acini are present in the pancreas and secrete carboxypeptidase
4. Brunner’s glands are present in the submucosa of stomach and secrete pepsinogen

Correct answer: Brunner’s glands are present in the submucosa of stomach and secrete pepsinogen

Solution

Brunner’s glands are located in the submucosa of the duodenum, where they secrete alkaline mucus, not pepsinogen. The other statements correctly pair the structure with its location and secretion.

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