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Question

Secretin
  1. Stimulates bicarbonate secretion by pancreas inhibits acid secretion in stomach, stimulates bicarbonate secretion by liver.
  2. Stimulates enzyme secretion by pancreas, inhibits acid secretion in stomach, stimulate gall bladder.
  3. Stimulates gall bladder, inhibits acid secretion in stomach, stimulates bicarbonate secretion by pancreas.
  4. Stimulates acid secretion in stomach, potentiates action of CCK, inhibits intestinal movement.

A
Stimulates bicarbonate secretion by pancreas inhibits acid secretion in stomach, stimulates bicarbonate secretion by liver.
B
Stimulates enzyme secretion by pancreas, inhibits acid secretion in stomach, stimulate gall bladder.
C
Stimulates acid secretion in stomach, potentiates action of CCK, inhibits intestinal movement.
D
Stimulates gall bladder, inhibits acid secretion in stomach, stimulates bicarbonate secretion by pancreas.
Solution
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Secretin is a polypeptide hormone made up of 27 amino acids and secreted by the duodenal and jejunal mucosa, when acid chyme enters the intestine, secretin is released into the bloodstream and stimulates the acinar cells of the pancreas to secrete water and bicarbonate into the pancreatic ducts that drain into the duodenum.

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Q1
Match the Column-I and II choose the correct option.
Column - IColumn - II
(a) Secretin(i) Stimulates gastric gland to release gastric juice
(b)Cholecystokinin(ii) Stimulates gall bladder to release bile juice
(c) Gastrin(iii) With coeffect of pancreozymin stimulates secretion pf pancreatic juice and intestinal juice
(d) Enterogastrone(iv) Inhibits gastric juice secretion and stops stomach churning

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Q2
Acid secretion in stomach is stimulated by
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Q3
Secretin stimulates secretion of bicarbonate from
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Q4
Secretion of which hormone is stimulated by strong acid in stomach and intestine?
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Q5
Which of the following is/are function of enterogastrone hormone?
i. Inhibits secretion of gastric juice
ii. Stimulates gastric motility
iii. Stimulates secretion of gastric juice
iv. Inhibits gastric motility

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