Multiple choice

Concerning the control of gastric secretion in humans, which of the following statements is correct?

  1. Secretin, released by the duodenum stimulates gastric secretion in the stomach.

  2. Parietal cells of the gastric glands secrete gastric acid in response to hormonal stimulation.

  3. Acid and pepsinogen is released by the stomach during the intestinal phase of gastric secretion.

  4. Gastric secretion does not commence unless the bolus reaches the stomach of an individual.

  5. The most abundant epithelial cells are gastric acid secreting cells.
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B Correct answer
Explanation

Parietal cells produce gastric acid, a strong acid, that helps to break down food. These cells produce gastric enzymes, such as pepsinogen and lipase which help us to digest.

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