Which of the following effects is NOT triggered by secretin?

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Stimulates bicarbonate releaseEnhances the effects of cholecystokinin (CCK)Induces contraction of the pyloric sphincterPromotes an increase in gastric secretions

Explanation

Secretin primarily stimulates the secretion of bicarbonate from the pancreas, supports the activity of CCK, and causes contraction of the pyloric sphincter. However, it does not stimulate an increase in gastric secretions.