Question:
The hormone secretin produced by the digestive system stimulates the secretion of the following EXCEPT:
The hormone secretin produced by the digestive system stimulates the secretion of the following EXCEPT:
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Secretin acts on the pancreas, liver and intestinal glands but inhibits the stomach.
Updated On: Nov 12, 2026
- Gastric juice
- Bile juice
- Pancreatic juice
- Intestinal juice
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The Correct Option is A
Solution and Explanation
Step 1: Understanding the Concept
Secretin is released by the duodenal wall when acidic food enters the duodenum.
Step 2: Effects of secretin
It stimulates the pancreas to release bicarbonate-rich pancreatic juice. It also promotes bile secretion and intestinal juice.
Step 3: Compare the options
On the stomach, secretin has the opposite effect: it reduces gastric secretion and motility. So gastric juice is the exception.
Final Answer:
Secretin does not stimulate gastric juice. \[ \boxed{\text{(A) }\text{Gastric juice}} \]
Secretin is released by the duodenal wall when acidic food enters the duodenum.
Step 2: Effects of secretin
It stimulates the pancreas to release bicarbonate-rich pancreatic juice. It also promotes bile secretion and intestinal juice.
Step 3: Compare the options
On the stomach, secretin has the opposite effect: it reduces gastric secretion and motility. So gastric juice is the exception.
Final Answer:
Secretin does not stimulate gastric juice. \[ \boxed{\text{(A) }\text{Gastric juice}} \]
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