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Which of the following accurately describes the role of secretin and its effects on digestive processes?
Secretin stimulates enzyme secretion by the pancreas, inhibits acid secretion in the stomach, and stimulates the gall bladder.
Secretin stimulates bicarbonate secretion by the pancreas, inhibits acid secretion in the stomach, and stimulates bicarbonate secretion by the liver.
Secretin stimulates acid secretion in the stomach, potentiates the action of CCK (cholecystokinin), and inhibits intestinal movement.
Secretin stimulates gall bladder contraction, inhibits acid secretion in the stomach, and promotes the release of pancreatic enzymes.
Answers (1)
Option 2, "Secretin stimulates bicarbonate secretion by the pancreas, inhibits acid secretion in the stomach, and stimulates bicarbonate secretion by the liver," is the correct answer. Secretin is a hormone produced in the small intestine that plays a role in regulating digestion. It stimulates the pancreas to secrete bicarbonate, which helps neutralize stomach acid. Additionally, secretin also stimulates the liver to release bicarbonate. This response helps maintain proper pH levels in the digestive system. The other options contain incorrect information about the effects of secretin.Hence, the correct answer is option 2.
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