_________ stimulates the production of gastric juice in the stomach:

Correct answer: A. Gastrin

  • A. Gastrin
  • B. Enterokinase
  • C. Rennin
  • D. None of these

Explanation

Gastrin is a hormone released mainly by the stomach lining that stimulates secretion of gastric juice, including hydrochloric acid and digestive enzymes. Students may choose rennin because it is also a stomach enzyme, but rennin digests milk protein and does not stimulate gastric secretion.

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