What are the two sources of bicarbonate secreted into the lumen of the small intestine?
A) secretin and glucose -dependent insulinotropic peptide
B) exocrine pancreas and secretory cells in the crypts of Lieberkühn
C) bile and exocrine pancreas
D) secretin and inhibin
E) both exocrine and endocrine pancreas

Question

Quizplus · Accepted Answer

Bicarbonate in the small intestine is secreted by the exocrine pancreas and the secretory cells in the crypts of Lieberkühn. This helps neutralize the acidic chyme entering from the stomach.

What Are the Two Sources of Bicarbonate Secreted into the Lumen