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What is the function of secretin and cholecystokinin?

A. Stimulate secretion of gastric juice into the duodenum
B. Stimulate secretion of pancreatic enzymes and bile into the duodenum
C. Stimulate secretion of gastric juice into the stomach
D. Stimulate secretion of pancreatic enzymes and bile into the stomach

Answer :

Final answer:

Secretin and cholecystokinin are vital hormones that enhance digestion in the duodenum. Secretin stimulates the release of alkaline bicarbonate to neutralize acidity, while CCK stimulates the secretion of digestive enzymes and bile. Thus, they collectively support the digestive process by preparing the intestinal environment for digestion.


Explanation:

Functions of Secretin and Cholecystokinin

Secretin and cholecystokinin (CCK) are hormones that play crucial roles in digestion within the duodenum, which is the first part of the small intestine.

When acidic chyme enters the duodenum, secretin is released, stimulating the pancreas to secrete alkaline bicarbonate solution. This helps to neutralize the acidity. At the same time, cholecystokinin stimulates the pancreas to secrete digestive enzymes and prompts the gallbladder to release bile, both essential for proper digestion of fats and proteins.

Correct Answer

Based on this information, the correct choice to describe the function of secretin and cholecystokinin is:

  1. b) Stimulate secretion of pancreatic enzymes and bile into the duodenum

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