Which of the following statements concerning secretin is correct?
A. Secretin is the most potent stimulus for pancreatic HCO3- secretion.
B. Secretin stimulates gastrin secretion by parietal cells.
C. The most potent stimulus for secretin secretion is the presence of fat in the duodenum.
D. Secretin is the most potent stimulus for pancreatic digestive enzyme secretion.
E. Secretin stimulates secretion by the parietal and chief cells.
Answer: A
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