Incretins are:
A. enzymes in the renal tubule that cause glucose to be reasorbed from urine
B. enzymes in the small intestine responsible for breaking down complex carbohydrates into monosaccharides.
C. hormones secreted by the pancreas that acts in opposition to insulin.
D. hormones secreted by the mucosa of the small intestine following a meal.
Ans: D. hormones secreted by the mucosa of the small intestine following a meal.
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